Square Root Calculator › Square root of 687
Square Root of 687
√687 ≈ 26.210685
687 is not a perfect square, so √687 is an irrational number that is approximately 26.210685. In simplified radical form, √687 = √687.
√687 lies between √676 = 26 and √729 = 27.
| Number | 687 |
| Square root (decimal) | 26.210685 |
| Simplified radical | √687 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 687 a perfect square?
No, 687 is not a perfect square, so its square root is irrational and approximately 26.210685.
What is the square root of 687 in simplest radical form?
√687 = √687 in simplest radical form.