√490 = 22.1359436212. 490 is not a perfect square; the result is irrational.

Is 490 a perfect square?

No, 490 is not a perfect square. Its square root is irrational.

What is 22.1359436212 squared?

22.1359436212 squared is approximately 490. (22.1359436212)² ≈ 490

Instant answer with step-by-step solution

√490 = 22.1359436212

√490 = 22.1359436212

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

We need to find √490 — a number that when multiplied by itself equals 490.
490 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): √490 = 490^0.5 = 22.1359436212
Verification: 22.1359436212 × 22.1359436212 ≈ 490 ✓ (rounded to 10 significant figures)

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