Square Root Calculator › Square root of 856
Square Root of 856
√856 ≈ 29.257478
856 is not a perfect square, so √856 is an irrational number that is approximately 29.257478. In simplified radical form, √856 = 2√214.
√856 lies between √841 = 29 and √900 = 30.
| Number | 856 |
| Square root (decimal) | 29.257478 |
| Simplified radical | 2√214 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 856 a perfect square?
No, 856 is not a perfect square, so its square root is irrational and approximately 29.257478.
What is the square root of 856 in simplest radical form?
√856 = 2√214 in simplest radical form.