√478 = 21.8632111091. 478 is not a perfect square; the result is irrational.

Is 478 a perfect square?

No, 478 is not a perfect square. Its square root is irrational.

What is 21.8632111091 squared?

21.8632111091 squared is approximately 478. (21.8632111091)² ≈ 478

Instant answer with step-by-step solution

√478 = 21.8632111091

√478 = 21.8632111091

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

We need to find √478 — a number that when multiplied by itself equals 478.
478 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): √478 = 478^0.5 = 21.8632111091
Verification: 21.8632111091 × 21.8632111091 ≈ 478 ✓ (rounded to 10 significant figures)

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