√447 = 21.1423745119. 447 is not a perfect square; the result is irrational.

Is 447 a perfect square?

No, 447 is not a perfect square. Its square root is irrational.

What is 21.1423745119 squared?

21.1423745119 squared is approximately 447. (21.1423745119)² ≈ 447

Instant answer with step-by-step solution

√447 = 21.1423745119

√447 = 21.1423745119

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

We need to find √447 — a number that when multiplied by itself equals 447.
447 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): √447 = 447^0.5 = 21.1423745119
Verification: 21.1423745119 × 21.1423745119 ≈ 447 ✓ (rounded to 10 significant figures)

√ =