Is 449 a perfect square?

No, 449 is not a perfect square. Its square root is irrational.

What is 21.1896201004 squared?

21.1896201004 squared is approximately 449. (21.1896201004)² ≈ 449

√449 = 21.1896201004. 449 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√449 = 21.1896201004

√449 = 21.1896201004

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

We need to find √449 — a number that when multiplied by itself equals 449.
449 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): √449 = 449^0.5 = 21.1896201004
Verification: 21.1896201004 × 21.1896201004 ≈ 449 ✓ (rounded to 10 significant figures)

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