√858 = 29.2916370318. 858 is not a perfect square; the result is irrational.

Is 858 a perfect square?

No, 858 is not a perfect square. Its square root is irrational.

What is 29.2916370318 squared?

29.2916370318 squared is approximately 858. (29.2916370318)² ≈ 858

Instant answer with step-by-step solution

√858 = 29.2916370318

√858 = 29.2916370318

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

We need to find √858 — a number that when multiplied by itself equals 858.
858 is not a perfect square. Its square root is irrational.
It falls between √841 = 29 and √900 = 30.
Using the formula √N = N^(1/2): √858 = 858^0.5 = 29.2916370318
Verification: 29.2916370318 × 29.2916370318 ≈ 858 ✓ (rounded to 10 significant figures)

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