20423747

Names of 20423747

• Cardinal: 20423747 can be written as Twenty million, four hundred twenty-three thousand, seven hundred forty-seven.

Scientific notation

• Scientific notation: 2.0423747 × 10⁷

Factors of 20423747

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 888012

Divisors of 20423747

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 887989 20423747
• Sum of all divisors σ(n): 21311760
• Sum of proper divisors (its aliquot sum) s(n): 888013
• 20423747 is a deficient number, because the sum of its proper divisors (888013) is less than itself. Its deficiency is 19535734

Bases of 20423747

• Binary: 1001101111010010001000011₂
• Hexadecimal: 0x137A443
• Base-36: C5R2B

Squares and roots of 20423747

• 20423747 squared (20423747²) is 417129441520009
• 20423747 cubed (20423747³) is 8519346179855959253723
• The square root of 20423747 is 4519.2639887487
• The cube root of 20423747 is 273.3454236505

Scales and comparisons

• 20,423,747 seconds is equal to 33 weeks, 5 days, 9 hours, 15 minutes, 47 seconds.
• To count from 1 to 20,423,747 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 20423747 cubic inches would be around 22.8 feet tall.

Recreational maths with 20423747

• 20423747 backwards is 74732402
• The number of decimal digits it has is: 8
• The sum of 20423747's digits is 29
• More coming soon!