Square Root Calculator › Square root of 857
Square Root of 857
√857 ≈ 29.274562
857 is not a perfect square, so √857 is an irrational number that is approximately 29.274562. In simplified radical form, √857 = √857.
√857 lies between √841 = 29 and √900 = 30.
| Number | 857 |
| Square root (decimal) | 29.274562 |
| Simplified radical | √857 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 857 a perfect square?
No, 857 is not a perfect square, so its square root is irrational and approximately 29.274562.
What is the square root of 857 in simplest radical form?
√857 = √857 in simplest radical form.