21455129528084

Names of 21455129528084

• Cardinal: 21455129528084 can be written as Twenty-one trillion, four hundred fifty-five billion, one hundred twenty-nine million, five hundred twenty-eight thousand and eighty-four.

Scientific notation

• Scientific notation: 2.1455129528084 × 10¹³

Factors of 21455129528084

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 53315

Divisors of 21455129528084

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 67 103 134 206 268 412 469 721 938 1442 1876 2179 2884 4358 6901 8716 13802 15253 27604 30506 48307 50957 61012 96614 101914 145993 193228 203828 224437 291986 356699 448874 583972 713398 897748 1021951 1426796 1571059 2043902 3142118 3414119 4087804 5248571 6284236 6828238 10497142 13656476 15037279 20994284 23898833 30074558 36739997 47797666 60149116 73479994 95595332 105260953 111035303 146959988 210521906 222070606 351654257 421043812 444141212 703308514 777247121 1406617028 1554494242 2461579799 3108988484 4923159598 7439365301 9846319196 11436636209 14878730602 22873272418 29757461204 45746544836 52075557107 80056453463 104151114214 160112906926 208302228428 320225813852 766254626003 1532509252006 3065018504012 5363782382021 10727564764042 21455129528084
• Sum of all divisors σ(n): 43994577070080
• Sum of proper divisors (its aliquot sum) s(n): 22539447541996
• 21455129528084 is an abundant number, because the sum of its proper divisors (22539447541996) is greater than itself. Its abundance is 1084318013912

Bases of 21455129528084

• Binary: 100111000001101101001010111111100011100010100₂
• Hexadecimal: 0x1383695FC714
• Base-36: 7LSCM5Z4K

Squares and roots of 21455129528084

• 21455129528084 squared (21455129528084²) is 460322583066861964544711056
• 21455129528084 cubed (21455129528084³) is 9876280644401730030780935658835417296704
• The square root of 21455129528084 is 4631968.2131987909
• The cube root of 21455129528084 is 27787.1313246991

Scales and comparisons

• 21,455,129,528,084 seconds is equal to 682,206 years, 39 weeks, 1 day, 10 hours, 14 minutes, 44 seconds.
• To count from 1 to 21,455,129,528,084 would take you about one million, seven hundred five thousand, five hundred sixteen 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 21455129528084 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455129528084

• 21455129528084 backwards is 48082592155412
• The number of decimal digits it has is: 14
• The sum of 21455129528084's digits is 56
• More coming soon!