Square Root Calculator › Square root of 431
Square Root of 431
√431 ≈ 20.760539
431 is not a perfect square, so √431 is an irrational number that is approximately 20.760539. In simplified radical form, √431 = √431.
√431 lies between √400 = 20 and √441 = 21.
| Number | 431 |
| Square root (decimal) | 20.760539 |
| Simplified radical | √431 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 431 a perfect square?
No, 431 is not a perfect square, so its square root is irrational and approximately 20.760539.
What is the square root of 431 in simplest radical form?
√431 = √431 in simplest radical form.