Square Root Calculator › Square root of 636
Square Root of 636
√636 ≈ 25.21904
636 is not a perfect square, so √636 is an irrational number that is approximately 25.21904. In simplified radical form, √636 = 2√159.
√636 lies between √625 = 25 and √676 = 26.
| Number | 636 |
| Square root (decimal) | 25.21904 |
| Simplified radical | 2√159 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 636 a perfect square?
No, 636 is not a perfect square, so its square root is irrational and approximately 25.21904.
What is the square root of 636 in simplest radical form?
√636 = 2√159 in simplest radical form.