Square Root Calculator › Square root of 31
Square Root of 31
√31 ≈ 5.567764
31 is not a perfect square, so √31 is an irrational number that is approximately 5.567764. In simplified radical form, √31 = √31.
√31 lies between √25 = 5 and √36 = 6.
| Number | 31 |
| Square root (decimal) | 5.567764 |
| Simplified radical | √31 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 31 a perfect square?
No, 31 is not a perfect square, so its square root is irrational and approximately 5.567764.
What is the square root of 31 in simplest radical form?
√31 = √31 in simplest radical form.