Square Root Calculator › Square root of 689
Square Root of 689
√689 ≈ 26.248809
689 is not a perfect square, so √689 is an irrational number that is approximately 26.248809. In simplified radical form, √689 = √689.
√689 lies between √676 = 26 and √729 = 27.
| Number | 689 |
| Square root (decimal) | 26.248809 |
| Simplified radical | √689 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 689 a perfect square?
No, 689 is not a perfect square, so its square root is irrational and approximately 26.248809.
What is the square root of 689 in simplest radical form?
√689 = √689 in simplest radical form.