21125007991964032

Names of 21125007991964032

• Cardinal: 21125007991964032 can be written as Twenty-one quadrillion, one hundred twenty-five trillion, seven billion, nine hundred ninety-one million, nine hundred sixty-four thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1125007991964032 × 10¹⁶

Factors of 21125007991964032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 309

Divisors of 21125007991964032

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 127 128 167 169 208 254 334 338 416 508 668 676 832 1016 1336 1352 1651 1664 2032 2171 2197 2672 2704 3302 4064 4342 4394 5344 5408 6604 8128 8684 8788 10688 10816 13208 16129 16256 17368 17576 21209 21376 21463 21632 26416 27889 28223 32258 34736 35152 42418 42926 52832 55778 56446 64516 69472 70304 84836 85852 105664 111556 112892 129032 138944 140608 169672 171704 209677 211328 223112 225784 258064 275717 277888 279019 281216 339344 343408 362557 366899 419354 446224 451568 516128 551434 558038 678688 686816 725114 733798 838708 892448 903136 1032256 1102868 1116076 1357376 1373632 1450228 1467596 1677416 1784896 1806272 2064512 2205736 2232152 2693543 2714752 2725801 2747264 2900456 2935192 3354832 3541903 3569792 3584321 3612544 4411472 4464304 4657463 4713241 5387086 5451602 5800912 5870384 6709664 7083806 7168642 8822944 8928608 9314926 9426482 10774172 10903204 11601824 11740768 13419328 14167612 14337284 17645888 17857216 18629852 18852964 21548344 21806408 23203648 23481536 26838656 28335224 28674568 35016059 35291776 35435413 35714432 37259704 37705928 43096688 43612816 46044739 46407296 46596173 46963072 56670448 57349136 60547019 61272133 70032118 70870826 74519408 75411856 86193376 87225632 92089478 93192346 113340896 114698272 121094038 122544266 140064236 141741652 149038816 150823712 172386752 174451264 184178956 186384692 226681792 229396544 242188076 245088532 280128472 283483304 298077632 301647424 344773504 348902528 368357912 372769384 449821681 453363584 455208767 458793088 484376152 490177064 560256944 566966608 591497801 596155264 598581607 603294848 736715824 745538768 787111247 899643362 910417534 968752304 980354128 1120513888 1133933216 1182995602 1197163214 1473431648 1491077536 1574222494 1799286724 1820835068 1937504608 1960708256 2241027776 2267866432 2365991204 2394326428 2946863296 2982155072 3148444988 3598573448 3641670136 3875009216 3921416512 4482055552 4535732864 4731982408 4788652856 5847681853 5893726592 5917713971 5964310144 6296889976 7197146896 7283340272 7689471413 7750018432 7781560891 7842833024 9463964816 9577305712 10232446211 11695363706 11835427942 12593779952 14394293792 14566680544 15378942826 15563121782 18927929632 19154611424 20464892422 23390727412 23670855884 25187559904 28788587584 29133361088 30757885652 31126243564 37855859264 38309222848 40929784844 46781454824 47341711768 50375119808 57577175168 58266722176 61515771304 62252487128 75120220727 75711718528 76019864089 76618445696 81859569688 93562909648 94683423536 99963128369 100750239616 123031542608 124504974256 150240441454 152039728178 163719139376 187125819296 189366847072 199926256738 246063085216 249009948512 300480882908 304079456356 327438278752 374251638592 378733694144 399852513476 492126170432 498019897024 600961765816 608158912712 654876557504 748503277184 757467388288 799705026952 976562869451 984252340864 988258233157 996039794048 1201923531632 1216317825424 1299520668797 1309753115008 1599410053904 1953125738902 1976516466314 2403847063264 2432635650848 2599041337594 3198820107808 3906251477804 3953032932628 4807694126528 4865271301696 5198082675188 6397640215616 7812502955608 7906065865256 9615388253056 9730542603392 10396165350376 12695317302863 12795280431232 15625005911216 15812131730512 20792330700752 25390634605726 31250011822432 31624263461024 41584661401504 50781269211452 62500023644864 63248526922048 83169322803008 101562538422904 125000047289728 126497053844096 165039124937219 166338645606016 203125076845808 330078249874438 406250153691616 660156499748876 812500307383232 1320312999497752 1625000614766464 2640625998995504 5281251997991008 10562503995982016 21125007991964032
• Sum of all divisors σ(n): 46229089424616000
• Sum of proper divisors (its aliquot sum) s(n): 25104081432651968
• 21125007991964032 is an abundant number, because the sum of its proper divisors (25104081432651968) is greater than itself. Its abundance is 3979073440687936

Bases of 21125007991964032

• Binary: 1001011000011010001010100110101001111010000000110000000₂
• Hexadecimal: 0x4B0D15353D0180
• Base-36: 5S06UP2VEKG

Squares and roots of 21125007991964032

• 21125007991964032 squared (21125007991964032²) is 446265962660544223489088781697024
• 21125007991964032 cubed (21125007991964032³) is 9427372027745519010131460183516719777315729440768
• The square root of 21125007991964032 is 145344446.0306758057
• The cube root of 21125007991964032 is 276438.7755445069

Scales and comparisons

• 21,125,007,991,964,032 seconds is equal to 671,709,910 years, 10 weeks, 4 days, 9 hours, 33 minutes, 52 seconds.
• To count from 1 to 21,125,007,991,964,032 would take you about two billion, fifteen million, one hundred twenty-nine thousand, seven hundred thirty 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 21125007991964032 cubic inches would be around 23036.6 feet tall.

Recreational maths with 21125007991964032

• 21125007991964032 backwards is 23046919970052112
• The number of decimal digits it has is: 17
• The sum of 21125007991964032's digits is 61
• More coming soon!