Square Root Calculator › Square root of 438
Square Root of 438
√438 ≈ 20.92845
438 is not a perfect square, so √438 is an irrational number that is approximately 20.92845. In simplified radical form, √438 = √438.
√438 lies between √400 = 20 and √441 = 21.
| Number | 438 |
| Square root (decimal) | 20.92845 |
| Simplified radical | √438 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 438 a perfect square?
No, 438 is not a perfect square, so its square root is irrational and approximately 20.92845.
What is the square root of 438 in simplest radical form?
√438 = √438 in simplest radical form.