Square Root Calculator › Square root of 643
Square Root of 643
√643 ≈ 25.357445
643 is not a perfect square, so √643 is an irrational number that is approximately 25.357445. In simplified radical form, √643 = √643.
√643 lies between √625 = 25 and √676 = 26.
| Number | 643 |
| Square root (decimal) | 25.357445 |
| Simplified radical | √643 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 643 a perfect square?
No, 643 is not a perfect square, so its square root is irrational and approximately 25.357445.
What is the square root of 643 in simplest radical form?
√643 = √643 in simplest radical form.