20985973

Names of 20985973

• Cardinal: 20985973 can be written as Twenty million, nine hundred eighty-five thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 2.0985973 × 10⁷

Factors of 20985973

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 30167

Divisors of 20985973

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 41 697 30109 511853 1234469 20985973
• Sum of all divisors σ(n): 22763160
• Sum of proper divisors (its aliquot sum) s(n): 1777187
• 20985973 is a deficient number, because the sum of its proper divisors (1777187) is less than itself. Its deficiency is 19208786

Bases of 20985973

• Binary: 1010000000011100001110101₂
• Hexadecimal: 0x1403875
• Base-36: CHSVP

Squares and roots of 20985973

• 20985973 squared (20985973²) is 440411062756729
• 20985973 cubed (20985973³) is 9242454671914020362317
• The square root of 20985973 is 4581.0449681269
• The cube root of 20985973 is 275.8309762903

Scales and comparisons

• 20,985,973 seconds is equal to 34 weeks, 4 days, 21 hours, 26 minutes, 13 seconds.
• To count from 1 to 20,985,973 would take you about eight hours!

  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 20985973 cubic inches would be around 23 feet tall.

Recreational maths with 20985973

• 20985973 backwards is 37958902
• The number of decimal digits it has is: 8
• The sum of 20985973's digits is 43
• More coming soon!