21512065008042

Names of 21512065008042

• Cardinal: 21512065008042 can be written as Twenty-one trillion, five hundred twelve billion, sixty-five million, eight thousand and forty-two.

Scientific notation

• Scientific notation: 2.1512065008042 × 10¹³

Factors of 21512065008042

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 139

Divisors of 21512065008042

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 127 147 162 189 243 254 294 343 378 381 441 486 567 686 729 762 882 889 1029 1134 1143 1323 1458 1701 1778 2058 2187 2286 2401 2646 2667 3087 3402 3429 3969 4374 4802 5103 5334 6174 6223 6858 7203 7938 8001 9261 10206 10287 11907 12446 14406 15309 16002 16129 18522 18669 20574 21609 23814 24003 27783 30618 30861 32258 35721 37338 43218 43561 48006 48387 55566 56007 61722 64827 71442 72009 83349 87122 92583 96774 107163 112014 112903 129654 130683 144018 145161 166698 168021 185166 194481 214326 216027 225806 250047 261366 277749 290322 304927 336042 338709 388962 392049 432054 435483 500094 504063 555498 583443 609854 648081 677418 750141 784098 790321 870966 914781 1008126 1016127 1166886 1176147 1296162 1306449 1500282 1512189 1580642 1750329 1829562 1944243 2032254 2048383 2352294 2370963 2612898 2744343 3024378 3048381 3500658 3528441 3888486 3919347 4096766 4536567 4741926 5250987 5488686 5532247 6096762 6145149 7056882 7112889 7838694 8233029 9073134 9145143 10501974 10585323 11064494 11758041 12290298 13609701 14225778 14338681 16466058 16596741 18290286 18435447 21170646 21338667 23516082 24699087 27219402 27435429 28677362 31755969 33193482 35274123 36870894 38725729 42677334 43016043 49398174 49790223 54870858 55306341 63511938 64016001 70548246 74097261 77451458 82306287 86032086 95267907 99580446 100370767 110612682 116177187 128032002 129048129 148194522 149370669 164612574 165919023 190535814 192048003 200741534 222291783 232354374 246918861 258096258 298741338 301112301 331838046 348531561 384096006 387144387 444583566 448112007 493837722 497757069 576144009 602224602 666875349 697063122 702595369 774288774 896224014 903336903 995514138 1045594683 1152288018 1161433161 1333750698 1344336021 1405190738 1493271207 1728432027 1806673806 2091189366 2107786107 2322866322 2688672042 2710010709 2986542414 3136784049 3456864054 3484299483 4033008063 4215572214 4479813621 4918167583 5420021418 6273568098 6323358321 6968598966 8066016126 8130032127 8959627242 9410352147 9836335166 10452898449 12099024189 12646716642 14754502749 16260064254 18820704294 18970074963 20905796898 24198048378 24390096381 28231056441 29509005498 31358695347 37940149926 44263508247 48780192762 56462112882 56910224889 62717390694 73170289143 84693169323 88527016494 113820449778 132790524741 146340578286 169386338646 170730674667 219510867429 265581049482 341461349334 398371574223 439021734858 512192024001 796743148446 1024384048002 1195114722669 1536576072003 2390229445338 3073152144006 3585344168007 7170688336014 10756032504021 21512065008042
• Sum of all divisors σ(n): 56905277337600
• Sum of proper divisors (its aliquot sum) s(n): 35393212329558
• 21512065008042 is an abundant number, because the sum of its proper divisors (35393212329558) is greater than itself. Its abundance is 13881147321516

Bases of 21512065008042

• Binary: 100111001000010101010111111100100000110101010₂
• Hexadecimal: 0x1390AAFE41AA
• Base-36: 7MII82WMI

Squares and roots of 21512065008042

• 21512065008042 squared (21512065008042²) is 462768940910225053524673764
• 21512065008042 cubed (21512065008042³) is 9955115540563508338851290995408086410088
• The square root of 21512065008042 is 4638110.0685561571
• The cube root of 21512065008042 is 27811.6891857365

Scales and comparisons

• 21,512,065,008,042 seconds is equal to 684,017 years, 6 weeks, 3 days, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 21,512,065,008,042 would take you about one million, seven hundred ten thousand and forty-two 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 21512065008042 cubic inches would be around 2317.6 feet tall.

Recreational maths with 21512065008042

• 21512065008042 backwards is 24080056021512
• The number of decimal digits it has is: 14
• The sum of 21512065008042's digits is 36
• More coming soon!