√15 = 3.8729833462. 15 is not a perfect square; the result is irrational.

Is 15 a perfect square?

No, 15 is not a perfect square. Its square root is irrational.

What is 3.8729833462 squared?

3.8729833462 squared is approximately 15. (3.8729833462)² ≈ 15

Instant answer with step-by-step solution

√15 = 3.8729833462

√15 = 3.8729833462

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

We need to find √15 — a number that when multiplied by itself equals 15.
15 is not a perfect square. Its square root is irrational.
It falls between √9 = 3 and √16 = 4.
Using the formula √N = N^(1/2): √15 = 15^0.5 = 3.8729833462
Verification: 3.8729833462 × 3.8729833462 ≈ 15 ✓ (rounded to 10 significant figures)

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