Square Root Calculator › Square root of 489
Square Root of 489
√489 ≈ 22.113344
489 is not a perfect square, so √489 is an irrational number that is approximately 22.113344. In simplified radical form, √489 = √489.
√489 lies between √484 = 22 and √529 = 23.
| Number | 489 |
| Square root (decimal) | 22.113344 |
| Simplified radical | √489 |
| Perfect square? | No |
| Rational? | No |
Calculate another square root
Nearby square roots
Frequently asked questions
Is 489 a perfect square?
No, 489 is not a perfect square, so its square root is irrational and approximately 22.113344.
What is the square root of 489 in simplest radical form?
√489 = √489 in simplest radical form.