Square Root of 595

The square root of 595 is about 24.3926218353. It is irrational and already in simplest form, written √595.

Whole numbers, decimals or fractions like 9/16. Negative numbers have no real root.
Simplest radical form
√595
Decimal
24.3926218353
Both real square roots
±24.3926218353x² = 595 has two real solutions
Between
24² = 576 and 25² = 625so the root is between 24 and 25
Perfect power?
No
√59524.3926218353= √595

Show the work

  1. Prime-factor the radicand: 595 = 5 × 7 × 17.
  2. No prime appears 2 or more times, so √595 is already in simplest form.
  3. Decimal value: √595 ≈ 24.3926218353.
  4. Check: 24.39262183532 ≈ 595.

√595 at a glance

Exact value
√595
Decimal (10 places)
24.3926218353
Rounded
24.4 · 24.39 · 24.393
Perfect square?
No — between 24² and 25²
Rational?
Irrational
Both square roots
±24.392622
Prime factorization
5 × 7 × 17
Cube root
8.410833

How to simplify √595

The prime factorization of 595 is 5 × 7 × 17. Every prime appears only once, so there is no pair to bring outside the radical — √595 is already in simplest form (a "square-free" radicand).

A whole number has a rational square root only when every prime in its factorization appears an even number of times. In 595, 5, 7 and 17 appear an odd number of times, so √595 is irrational and 24.3926218353 is a rounded value.

Where √595 sits between perfect squares

576 = 24² and 625 = 25² are the nearest perfect squares, so √595 lies between 24 and 25. 595 is 19 above 576 and 30 below 625, so the root is closer to 24.

√595 ≈ 24 + (595 − 576) ÷ (625 − 576) = 24 + 19/49 ≈ 24.3878
  • Straight line between 576 and 625: 24.3878 (0.02% low)
  • Tangent from 24, i.e. 24 + 19 ÷ 48: 24.3958 (0.01% high)
  • Tangent from 25, i.e. 25 − 30 ÷ 50: 24.4000 (0.03% high)

For √595 the tangent at 24 wins, missing by only 0.0032. Tangent estimates shine when the number sits close to a perfect square — here 595 is just 19 above 576.

2424² = 5762525² = 625√595 ≈ 24.3926
√595 on a number line, with tenths marked between 24 and 25.

Finding √595 with the Babylonian method

If a guess is too big, 595 ÷ 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√595) in one step.

xnext = (x + 595 ÷ x) ÷ 2

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

StepGuess x595 ÷ xAverageCorrect decimals
124.000000000024.791666666724.39583333332
224.395833333324.389410760024.39262204676
324.392622046724.392621623924.3926218353all 10 shown

The count of correct decimals went 2, 6 and all 10 over 3 steps — roughly doubling each time — until the guess matched √595 = 24.3926218353 to every decimal shown.

√595 as a continued fraction

Every irrational square root has a continued fraction that repeats. For √595 the pattern is [24; 2, 1, 1, 4, 1, 4, 1, 1, 2, 48] with the block of 10 terms after the semicolon repeating forever. A pattern that never ends is one more proof that √595 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
24/124.00000000003.9 × 10⁻¹
49/224.50000000001.1 × 10⁻¹
73/324.33333333335.9 × 10⁻²
122/524.40000000007.4 × 10⁻³
561/2324.39130434781.3 × 10⁻³
683/2824.39285714292.4 × 10⁻⁴

The same fractions solve Pell’s equation, x² − 595y² = 1. Its smallest solution in positive whole numbers is x = 18,514, y = 759.

√595 in geometry and everyday measurements

  • A square garage floor of 595 square feet measures about 24.39 ft (24 ft 5 in) per side, and its corner-to-corner diagonal is √1190 ≈ 34.5 ft.
  • 595 is not a sum of two whole-number squares — the prime factor 7 (one less than a multiple of 4) appears an odd number of times, which rules that out — so √595 is never the diagonal of a rectangle with whole-number sides. It is, however, the space diagonal of a 3 × 15 × 19 box, because 3² + 15² + 19² = 595.
RootSimplest formDecimalPerfect square?
√5924√3724.3311No
√593√59324.3516No
√5943√6624.3721No
√595√59524.3926No
√5962√14924.4131No
√597√59724.4336No
√598√59824.4540No
  • The cube root of 595 is about 8.410833.
  • Squaring undoes the root: (√595)² = 595, while 595² = 354,025 — the number whose square root is 595.

Frequently asked questions

What is the square root of 595?

The square root of 595 is √595, about 24.3926218353. The negative root, −24.392622, also squares to 595.

Is the square root of 595 rational or irrational?

Irrational. 595 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 √595 be simplified?

No. 595 = 5 × 7 × 17 has no repeated prime factor, so there is no perfect square to take out of the radical.

What is √595 rounded to two decimal places?

√595 ≈ 24.39 to two decimal places (24.4 to one, 24.393 to three). Check: 24.39² = 594.8721, close to 595.

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