√457 = 21.3775583264. 457 is not a perfect square; the result is irrational.

Is 457 a perfect square?

No, 457 is not a perfect square. Its square root is irrational.

What is 21.3775583264 squared?

21.3775583264 squared is approximately 457. (21.3775583264)² ≈ 457

Instant answer with step-by-step solution

√457 = 21.3775583264

√457 = 21.3775583264

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

We need to find √457 — a number that when multiplied by itself equals 457.
457 is not a perfect square. Its square root is irrational.
It falls between √441 = 21 and √484 = 22.
Using the formula √N = N^(1/2): √457 = 457^0.5 = 21.3775583264
Verification: 21.3775583264 × 21.3775583264 ≈ 457 ✓ (rounded to 10 significant figures)

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