√809 = 28.4429253067. 809 is not a perfect square; the result is irrational.

Is 809 a perfect square?

No, 809 is not a perfect square. Its square root is irrational.

What is 28.4429253067 squared?

28.4429253067 squared is approximately 809. (28.4429253067)² ≈ 809

Instant answer with step-by-step solution

√809 = 28.4429253067

√809 = 28.4429253067

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

We need to find √809 — a number that when multiplied by itself equals 809.
809 is not a perfect square. Its square root is irrational.
It falls between √784 = 28 and √841 = 29.
Using the formula √N = N^(1/2): √809 = 809^0.5 = 28.4429253067
Verification: 28.4429253067 × 28.4429253067 ≈ 809 ✓ (rounded to 10 significant figures)

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