21131970132

Names of 21131970132

• Cardinal: 21131970132 can be written as Twenty-one billion, one hundred thirty-one million, nine hundred seventy thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 2.1131970132 × 10¹⁰

Factors of 21131970132

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11903

Divisors of 21131970132

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 1949 3898 5847 7796 9929 11694 13643 19858 23388 25337 27286 29787 39716 40929 50674 54572 59574 69503 76011 81858 101348 119148 129077 139006 152022 163716 177359 208509 258154 278012 304044 354718 387231 417018 516308 532077 709436 774462 834036 903539 1064154 1548924 1807078 2128308 2710617 3614156 5421234 10842468 19351621 38703242 58054863 77406484 116109726 135461347 232219452 251571073 270922694 406384041 503142146 541845388 754713219 812768082 1006284292 1509426438 1625536164 1760997511 3018852876 3521995022 5282992533 7043990044 10565985066 21131970132
• Sum of all divisors σ(n): 60723936000
• Sum of proper divisors (its aliquot sum) s(n): 39591965868
• 21131970132 is an abundant number, because the sum of its proper divisors (39591965868) is greater than itself. Its abundance is 18459995736

Bases of 21131970132

• Binary: 10011101011100100000100011001010100₂
• Hexadecimal: 0x4EB904654
• Base-36: 9PHFGIC

Squares and roots of 21131970132

• 21131970132 squared (21131970132²) is 446560161659740097424
• 21131970132 cubed (21131970132³) is 9436695998334719285646738139968
• The square root of 21131970132 is 145368.3945429679
• The cube root of 21131970132 is 2764.6914072553

Scales and comparisons

• 21,131,970,132 seconds is equal to 671 years, 48 weeks, 2 days, 23 hours, 42 minutes, 12 seconds.
• To count from 1 to 21,131,970,132 would take you about one thousand, three hundred forty-three years!

  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 21131970132 cubic inches would be around 230.4 feet tall.

Recreational maths with 21131970132

• 21131970132 backwards is 23107913112
• The number of decimal digits it has is: 11
• The sum of 21131970132's digits is 30
• More coming soon!