√357 = 18.8944436277. 357 is not a perfect square; the result is irrational.

Is 357 a perfect square?

No, 357 is not a perfect square. Its square root is irrational.

What is 18.8944436277 squared?

18.8944436277 squared is approximately 357. (18.8944436277)² ≈ 357

Instant answer with step-by-step solution

√357 = 18.8944436277

√357 = 18.8944436277

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

We need to find √357 — a number that when multiplied by itself equals 357.
357 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): √357 = 357^0.5 = 18.8944436277
Verification: 18.8944436277 × 18.8944436277 ≈ 357 ✓ (rounded to 10 significant figures)

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