Square Root Calculator › Square root of 669
Square Root of 669
√669 ≈ 25.865034
669 is not a perfect square, so √669 is an irrational number that is approximately 25.865034. In simplified radical form, √669 = √669.
√669 lies between √625 = 25 and √676 = 26.
| Number | 669 |
| Square root (decimal) | 25.865034 |
| Simplified radical | √669 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 669 a perfect square?
No, 669 is not a perfect square, so its square root is irrational and approximately 25.865034.
What is the square root of 669 in simplest radical form?
√669 = √669 in simplest radical form.