Square Root Calculator › Square root of 690
Square Root of 690
√690 ≈ 26.267851
690 is not a perfect square, so √690 is an irrational number that is approximately 26.267851. In simplified radical form, √690 = √690.
√690 lies between √676 = 26 and √729 = 27.
| Number | 690 |
| Square root (decimal) | 26.267851 |
| Simplified radical | √690 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 690 a perfect square?
No, 690 is not a perfect square, so its square root is irrational and approximately 26.267851.
What is the square root of 690 in simplest radical form?
√690 = √690 in simplest radical form.