Square Root Calculator › Square root of 638
Square Root of 638
√638 ≈ 25.258662
638 is not a perfect square, so √638 is an irrational number that is approximately 25.258662. In simplified radical form, √638 = √638.
√638 lies between √625 = 25 and √676 = 26.
| Number | 638 |
| Square root (decimal) | 25.258662 |
| Simplified radical | √638 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 638 a perfect square?
No, 638 is not a perfect square, so its square root is irrational and approximately 25.258662.
What is the square root of 638 in simplest radical form?
√638 = √638 in simplest radical form.