Square Root Calculator › Square root of 691
Square Root of 691
√691 ≈ 26.286879
691 is not a perfect square, so √691 is an irrational number that is approximately 26.286879. In simplified radical form, √691 = √691.
√691 lies between √676 = 26 and √729 = 27.
| Number | 691 |
| Square root (decimal) | 26.286879 |
| Simplified radical | √691 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 691 a perfect square?
No, 691 is not a perfect square, so its square root is irrational and approximately 26.286879.
What is the square root of 691 in simplest radical form?
√691 = √691 in simplest radical form.