Square Root of 599

The square root of 599 is about 24.4744765010. It is irrational and already in simplest form, written √599.

Whole numbers, decimals or fractions like 9/16. Negative numbers have no real root.
Simplest radical form
√599
Decimal
24.474476501
Both real square roots
±24.474476501x² = 599 has two real solutions
Between
24² = 576 and 25² = 625so the root is between 24 and 25
Perfect power?
No
√59924.474476501= √599

Show the work

  1. Prime-factor the radicand: 599 = 599.
  2. No prime appears 2 or more times, so √599 is already in simplest form.
  3. Decimal value: √599 ≈ 24.474476501.
  4. Check: 24.4744765012 ≈ 599.

√599 at a glance

Exact value
√599
Decimal (10 places)
24.4744765010
Rounded
24.5 · 24.47 · 24.474
Perfect square?
No — between 24² and 25²
Rational?
Irrational
Both square roots
±24.474477
Prime factorization
599
Cube root
8.429638

How to simplify √599

599 is a prime number, so its only factors are 1 and 599. There is no perfect-square factor to pull out, which means √599 is already in its simplest radical form.

The square root of any prime is irrational. If √599 were a fraction a/b in lowest terms, then a² = 599b², so 599 would divide a — and then 599 would divide b too, contradicting “lowest terms.” That is why the decimal 24.4744765010 is only a rounded value.

Where √599 sits between perfect squares

576 = 24² and 625 = 25² are the nearest perfect squares, so √599 lies between 24 and 25. 599 is 23 above 576 and 26 below 625, so the root is closer to 24.

√599 ≈ 24 + (599 − 576) ÷ (625 − 576) = 24 + 23/49 ≈ 24.4694
  • Straight line between 576 and 625: 24.4694 (0.02% low)
  • Tangent from 24, i.e. 24 + 23 ÷ 48: 24.4792 (0.02% high)
  • Tangent from 25, i.e. 25 − 26 ÷ 50: 24.4800 (0.02% high)

For √599 the tangent at 24 wins, missing by only 0.0047. Tangent estimates shine when the number sits close to a perfect square — here 599 is just 23 above 576.

2424² = 5762525² = 625√599 ≈ 24.4745
√599 on a number line, with tenths marked between 24 and 25.

Finding √599 with the Babylonian method

If a guess is too big, 599 ÷ x is too small by about the same amount, so their average lands much closer. In fact an error of e shrinks to roughly e² ÷ (2√599) in one step.

xnext = (x + 599 ÷ x) ÷ 2

Start from the nearest whole number, 24 (24² = 576):

StepGuess x599 ÷ xAverageCorrect decimals
124.000000000024.958333333324.47916666672
224.479166666724.469787234024.47447695046
324.474476950424.474476051724.4744765010all 10 shown

The count of correct decimals went 2, 6 and all 10 over 3 steps — roughly doubling each time — until the guess matched √599 = 24.4744765010 to every decimal shown.

√599 as a continued fraction

Every irrational square root has a continued fraction that repeats. For √599 the pattern is [24; 2, 9, 3, 2, 1, 1, 3, 1, 6, 4, 1, 2, …] with the block of 28 terms after the semicolon repeating forever (only the first 12 of the 28 are shown). A pattern that never ends is one more proof that √599 is irrational.

Cutting the continued fraction off early gives the best fractions for approximating the root — no fraction with a smaller denominator comes closer:

FractionDecimalError
24/124.00000000004.7 × 10⁻¹
49/224.50000000002.6 × 10⁻²
465/1924.47368421057.9 × 10⁻⁴
1,444/5924.47457627121.0 × 10⁻⁴
3,353/13724.47445255472.4 × 10⁻⁵
4,797/19624.47448979591.3 × 10⁻⁵

The same fractions solve Pell’s equation, x² − 599y² = 1. Its smallest solution in positive whole numbers is x = 24,686,379,794,520, y = 1,008,658,133,851 — 14 digits for x, even though 599 is small, which is what makes Pell’s equation famous.

√599 in geometry and everyday measurements

  • A square garage floor of 599 square feet measures about 24.47 ft (24 ft 6 in) per side, and its corner-to-corner diagonal is √1198 ≈ 34.6 ft.
  • 599 is not a sum of two whole-number squares — 599 is itself a prime that is one less than a multiple of 4, which rules that out — so √599 is never the diagonal of a rectangle with whole-number sides. It is not a sum of three positive squares either, so no whole-number box has √599 as its space diagonal.
RootSimplest formDecimalPerfect square?
√5962√14924.4131No
√597√59724.4336No
√598√59824.4540No
√599√59924.4745No
√60010√624.4949No
√601√60124.5153No
√602√60224.5357No
  • The cube root of 599 is about 8.429638.
  • Squaring undoes the root: (√599)² = 599, while 599² = 358,801 — the number whose square root is 599.

Frequently asked questions

What is the square root of 599?

The square root of 599 is √599, about 24.4744765010. The negative root, −24.474477, also squares to 599.

Is the square root of 599 rational or irrational?

Irrational. 599 is not a perfect square — it falls between 576 and 625 — and the square root of any whole number that is not a perfect square cannot be written as a fraction.

Can √599 be simplified?

No. 599 is prime, so there is no perfect square to take out of the radical.

What is √599 rounded to two decimal places?

√599 ≈ 24.47 to two decimal places (24.5 to one, 24.474 to three). Check: 24.47² = 598.7809, close to 599.

Need a different value? Use the Square root calculator, or browse the Square roots 1–1,000.