√442 = 21.0237960416. 442 is not a perfect square; the result is irrational.

Is 442 a perfect square?

No, 442 is not a perfect square. Its square root is irrational.

What is 21.0237960416 squared?

21.0237960416 squared is approximately 442. (21.0237960416)² ≈ 442

Instant answer with step-by-step solution

√442 = 21.0237960416

√442 = 21.0237960416

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

We need to find √442 — a number that when multiplied by itself equals 442.
442 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): √442 = 442^0.5 = 21.0237960416
Verification: 21.0237960416 × 21.0237960416 ≈ 442 ✓ (rounded to 10 significant figures)

√ =