20490609

Names of 20490609

• Cardinal: 20490609 can be written as Twenty million, four hundred ninety thousand, six hundred nine.

Scientific notation

• Scientific notation: 2.0490609 × 10⁷

Factors of 20490609

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 30319

Divisors of 20490609

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 227 681 30089 90267 6830203 20490609
• Sum of all divisors σ(n): 27442080
• Sum of proper divisors (its aliquot sum) s(n): 6951471
• 20490609 is a deficient number, because the sum of its proper divisors (6951471) is less than itself. Its deficiency is 13539138

Bases of 20490609

• Binary: 1001110001010100101110001₂
• Hexadecimal: 0x138A971
• Base-36: C76NL

Squares and roots of 20490609

• 20490609 squared (20490609²) is 419865057190881
• 20490609 cubed (20490609³) is 8603290719660980936529
• The square root of 20490609 is 4526.6553878113
• The cube root of 20490609 is 273.6433858519

Scales and comparisons

• 20,490,609 seconds is equal to 33 weeks, 6 days, 3 hours, 50 minutes, 9 seconds.
• To count from 1 to 20,490,609 would take you about fifty weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20490609 cubic inches would be around 22.8 feet tall.

Recreational maths with 20490609

• 20490609 backwards is 90609402
• The number of decimal digits it has is: 8
• The sum of 20490609's digits is 30
• More coming soon!