What is the Square Root of 820?

Instant answer with step-by-step solution

√820 = 28.6356421266
√820 = 28.6356421266
⚠ 820 is not a perfect square — result rounded to 10 significant figures

Step-by-step explanation

  1. We need to find √820 — a number that when multiplied by itself equals 820.
  2. 820 is not a perfect square. Its square root is irrational.
  3. It falls between √784 = 28 and √841 = 29.
  4. Using the formula √N = N^(1/2): √820 = 820^0.5 = 28.6356421266
  5. Verification: 28.6356421266 × 28.6356421266 ≈ 820 ✓ (rounded to 10 significant figures)

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Related calculations

Square root of 820820 square root√819 = 28.6181760425√821 = 28.6530975638√818 = 28.6006992922√822 = 28.6705423737√823 = 28.6879765756√817 = 28.5832118559

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