Square Root Calculator › Square root of 442
Square Root of 442
√442 ≈ 21.023796
442 is not a perfect square, so √442 is an irrational number that is approximately 21.023796. In simplified radical form, √442 = √442.
√442 lies between √441 = 21 and √484 = 22.
| Number | 442 |
| Square root (decimal) | 21.023796 |
| Simplified radical | √442 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 442 a perfect square?
No, 442 is not a perfect square, so its square root is irrational and approximately 21.023796.
What is the square root of 442 in simplest radical form?
√442 = √442 in simplest radical form.