20953729

Names of 20953729

• Cardinal: 20953729 can be written as Twenty million, nine hundred fifty-three thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 2.0953729 × 10⁷

Factors of 20953729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2739

Divisors of 20953729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 229 2473 8473 91501 566317 20953729
• Sum of all divisors σ(n): 21622760
• Sum of proper divisors (its aliquot sum) s(n): 669031
• 20953729 is a deficient number, because the sum of its proper divisors (669031) is less than itself. Its deficiency is 20284698

Bases of 20953729

• Binary: 1001111111011101010000001₂
• Hexadecimal: 0x13FBA81
• Base-36: CH401

Squares and roots of 20953729

• 20953729 squared (20953729²) is 439058759005441
• 20953729 cubed (20953729³) is 9199918251276320239489
• The square root of 20953729 is 4577.5243309021
• The cube root of 20953729 is 275.6896365977

Scales and comparisons

• 20,953,729 seconds is equal to 34 weeks, 4 days, 12 hours, 28 minutes, 49 seconds.
• To count from 1 to 20,953,729 would take you about fifty-one 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 20953729 cubic inches would be around 23 feet tall.

Recreational maths with 20953729

• 20953729 backwards is 92735902
• 20953729 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20953729's digits is 37
• More coming soon!