21016589

Names of 21016589

• Cardinal: 21016589 can be written as Twenty-one million, sixteen thousand, five hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1016589 × 10⁷

Factors of 21016589

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9811

Divisors of 21016589

• Number of divisors d(n): 8
• Complete list of divisors:
  1 11 199 2189 9601 105611 1910599 21016589
• Sum of all divisors σ(n): 23044800
• Sum of proper divisors (its aliquot sum) s(n): 2028211
• 21016589 is a deficient number, because the sum of its proper divisors (2028211) is less than itself. Its deficiency is 18988378

Bases of 21016589

• Binary: 1010000001011000000001101₂
• Hexadecimal: 0x140B00D
• Base-36: CIGI5

Squares and roots of 21016589

• 21016589 squared (21016589²) is 441697013194921
• 21016589 cubed (21016589³) is 9282964588845231544469
• The square root of 21016589 is 4584.3853459325
• The cube root of 21016589 is 275.9650458079

Scales and comparisons

• 21,016,589 seconds is equal to 34 weeks, 5 days, 5 hours, 56 minutes, 29 seconds.
• To count from 1 to 21,016,589 would take you about twenty 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 21016589 cubic inches would be around 23 feet tall.

Recreational maths with 21016589

• 21016589 backwards is 98561012
• The number of decimal digits it has is: 8
• The sum of 21016589's digits is 32
• More coming soon!