Square Root Calculator › Square root of 855
Square Root of 855
√855 ≈ 29.240383
855 is not a perfect square, so √855 is an irrational number that is approximately 29.240383. In simplified radical form, √855 = 3√95.
√855 lies between √841 = 29 and √900 = 30.
| Number | 855 |
| Square root (decimal) | 29.240383 |
| Simplified radical | 3√95 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 855 a perfect square?
No, 855 is not a perfect square, so its square root is irrational and approximately 29.240383.
What is the square root of 855 in simplest radical form?
√855 = 3√95 in simplest radical form.