√857 = 29.2745623366. 857 is not a perfect square; the result is irrational.

Is 857 a perfect square?

No, 857 is not a perfect square. Its square root is irrational.

What is 29.2745623366 squared?

29.2745623366 squared is approximately 857. (29.2745623366)² ≈ 857

Instant answer with step-by-step solution

√857 = 29.2745623366

√857 = 29.2745623366

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

We need to find √857 — a number that when multiplied by itself equals 857.
857 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): √857 = 857^0.5 = 29.2745623366
Verification: 29.2745623366 × 29.2745623366 ≈ 857 ✓ (rounded to 10 significant figures)

√ =