Is 489 a perfect square?

No, 489 is not a perfect square. Its square root is irrational.

What is 22.1133443875 squared?

22.1133443875 squared is approximately 489. (22.1133443875)² ≈ 489

√489 = 22.1133443875. 489 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√489 = 22.1133443875

√489 = 22.1133443875

⚠ 489 is not a perfect square — result rounded to 10 significant figures

We need to find √489 — a number that when multiplied by itself equals 489.
489 is not a perfect square. Its square root is irrational.
It falls between √484 = 22 and √529 = 23.
Using the formula √N = N^(1/2): √489 = 489^0.5 = 22.1133443875
Verification: 22.1133443875 × 22.1133443875 ≈ 489 ✓ (rounded to 10 significant figures)

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