Square Root Calculator › Square root of 721
Square Root of 721
√721 ≈ 26.851443
721 is not a perfect square, so √721 is an irrational number that is approximately 26.851443. In simplified radical form, √721 = √721.
√721 lies between √676 = 26 and √729 = 27.
| Number | 721 |
| Square root (decimal) | 26.851443 |
| Simplified radical | √721 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 721 a perfect square?
No, 721 is not a perfect square, so its square root is irrational and approximately 26.851443.
What is the square root of 721 in simplest radical form?
√721 = √721 in simplest radical form.