√266 = 16.3095064303. 266 is not a perfect square; the result is irrational.

Is 266 a perfect square?

No, 266 is not a perfect square. Its square root is irrational.

What is 16.3095064303 squared?

16.3095064303 squared is approximately 266. (16.3095064303)² ≈ 266

Instant answer with step-by-step solution

√266 = 16.3095064303

√266 = 16.3095064303

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

We need to find √266 — a number that when multiplied by itself equals 266.
266 is not a perfect square. Its square root is irrational.
It falls between √256 = 16 and √289 = 17.
Using the formula √N = N^(1/2): √266 = 266^0.5 = 16.3095064303
Verification: 16.3095064303 × 16.3095064303 ≈ 266 ✓ (rounded to 10 significant figures)

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