Square Root Calculator › Square root of 281
Square Root of 281
√281 ≈ 16.763055
281 is not a perfect square, so √281 is an irrational number that is approximately 16.763055. In simplified radical form, √281 = √281.
√281 lies between √256 = 16 and √289 = 17.
| Number | 281 |
| Square root (decimal) | 16.763055 |
| Simplified radical | √281 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 281 a perfect square?
No, 281 is not a perfect square, so its square root is irrational and approximately 16.763055.
What is the square root of 281 in simplest radical form?
√281 = √281 in simplest radical form.