√331 = 18.1934053987. 331 is not a perfect square; the result is irrational.

Is 331 a perfect square?

No, 331 is not a perfect square. Its square root is irrational.

What is 18.1934053987 squared?

18.1934053987 squared is approximately 331. (18.1934053987)² ≈ 331

Instant answer with step-by-step solution

√331 = 18.1934053987

√331 = 18.1934053987

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

We need to find √331 — a number that when multiplied by itself equals 331.
331 is not a perfect square. Its square root is irrational.
It falls between √324 = 18 and √361 = 19.
Using the formula √N = N^(1/2): √331 = 331^0.5 = 18.1934053987
Verification: 18.1934053987 × 18.1934053987 ≈ 331 ✓ (rounded to 10 significant figures)

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