What is the Square Root of 445?

Instant answer with step-by-step solution

√445 = 21.0950231097
√445 = 21.0950231097
⚠ 445 is not a perfect square — result rounded to 10 significant figures

Step-by-step explanation

  1. We need to find √445 — a number that when multiplied by itself equals 445.
  2. 445 is not a perfect square. Its square root is irrational.
  3. It falls between √441 = 21 and √484 = 22.
  4. Using the formula √N = N^(1/2): √445 = 445^0.5 = 21.0950231097
  5. Verification: 21.0950231097 × 21.0950231097 ≈ 445 ✓ (rounded to 10 significant figures)

Try another number

√ =

Related calculations

Square root of 445445 square root√444 = 21.0713075057√446 = 21.1187120819√443 = 21.0475651798√447 = 21.1423745119√448 = 21.1660104885√442 = 21.0237960416

← Back to Square Root Calculator

Also see

Square Root Laws Square Root Chart Easiest Method Negative Square Roots