√690 = 26.2678510731. 690 is not a perfect square; the result is irrational.

Is 690 a perfect square?

No, 690 is not a perfect square. Its square root is irrational.

What is 26.2678510731 squared?

26.2678510731 squared is approximately 690. (26.2678510731)² ≈ 690

Instant answer with step-by-step solution

√690 = 26.2678510731

√690 = 26.2678510731

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

We need to find √690 — a number that when multiplied by itself equals 690.
690 is not a perfect square. Its square root is irrational.
It falls between √676 = 26 and √729 = 27.
Using the formula √N = N^(1/2): √690 = 690^0.5 = 26.2678510731
Verification: 26.2678510731 × 26.2678510731 ≈ 690 ✓ (rounded to 10 significant figures)

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