√721 = 26.8514431642. 721 is not a perfect square; the result is irrational.

Is 721 a perfect square?

No, 721 is not a perfect square. Its square root is irrational.

What is 26.8514431642 squared?

26.8514431642 squared is approximately 721. (26.8514431642)² ≈ 721

Instant answer with step-by-step solution

√721 = 26.8514431642

√721 = 26.8514431642

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

We need to find √721 — a number that when multiplied by itself equals 721.
721 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): √721 = 721^0.5 = 26.8514431642
Verification: 26.8514431642 × 26.8514431642 ≈ 721 ✓ (rounded to 10 significant figures)

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