√691 = 26.2868788562. 691 is not a perfect square; the result is irrational.

Is 691 a perfect square?

No, 691 is not a perfect square. Its square root is irrational.

What is 26.2868788562 squared?

26.2868788562 squared is approximately 691. (26.2868788562)² ≈ 691

Instant answer with step-by-step solution

√691 = 26.2868788562

√691 = 26.2868788562

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

We need to find √691 — a number that when multiplied by itself equals 691.
691 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): √691 = 691^0.5 = 26.2868788562
Verification: 26.2868788562 × 26.2868788562 ≈ 691 ✓ (rounded to 10 significant figures)

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