Is 684 a perfect square?

No, 684 is not a perfect square. Its square root is irrational.

What is 26.1533936612 squared?

26.1533936612 squared is approximately 684. (26.1533936612)² ≈ 684

√684 = 26.1533936612. 684 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√684 = 26.1533936612

√684 = 26.1533936612

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

We need to find √684 — a number that when multiplied by itself equals 684.
684 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): √684 = 684^0.5 = 26.1533936612
Verification: 26.1533936612 × 26.1533936612 ≈ 684 ✓ (rounded to 10 significant figures)

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