Square Root Calculator › Square root of 561
Square Root of 561
√561 ≈ 23.685439
561 is not a perfect square, so √561 is an irrational number that is approximately 23.685439. In simplified radical form, √561 = √561.
√561 lies between √529 = 23 and √576 = 24.
| Number | 561 |
| Square root (decimal) | 23.685439 |
| Simplified radical | √561 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 561 a perfect square?
No, 561 is not a perfect square, so its square root is irrational and approximately 23.685439.
What is the square root of 561 in simplest radical form?
√561 = √561 in simplest radical form.