20431450

Names of 20431450

• Cardinal: 20431450 can be written as Twenty million, four hundred thirty-one thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.043145 × 10⁷

Factors of 20431450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 80

Divisors of 20431450

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 10 13 17 25 26 34 43 50 65 85 86 130 170 215 221 325 425 430 442 559 650 731 850 1075 1105 1118 1462 1849 2150 2210 2795 3655 3698 5525 5590 7310 9245 9503 11050 13975 18275 18490 19006 24037 27950 31433 36550 46225 47515 48074 62866 92450 95030 120185 157165 237575 240370 314330 408629 475150 600925 785825 817258 1201850 1571650 2043145 4086290 10215725 20431450
• Sum of all divisors σ(n): 44364348
• Sum of proper divisors (its aliquot sum) s(n): 23932898
• 20431450 is an abundant number, because the sum of its proper divisors (23932898) is greater than itself. Its abundance is 3501448

Bases of 20431450

• Binary: 1001101111100001001011010₂
• Hexadecimal: 0x137C25A
• Base-36: C5X0A

Squares and roots of 20431450

• 20431450 squared (20431450²) is 417444149102500
• 20431450 cubed (20431450³) is 8528989260180273625000
• The square root of 20431450 is 4520.1161489501
• The cube root of 20431450 is 273.3797842269

Scales and comparisons

• 20,431,450 seconds is equal to 33 weeks, 5 days, 11 hours, 24 minutes, 10 seconds.
• To count from 1 to 20,431,450 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 20431450 cubic inches would be around 22.8 feet tall.

Recreational maths with 20431450

• 20431450 backwards is 05413402
• The number of decimal digits it has is: 8
• The sum of 20431450's digits is 19
• More coming soon!