2121911855015472

Names of 2121911855015472

• Cardinal: 2121911855015472 can be written as Two quadrillion, one hundred twenty-one trillion, nine hundred eleven billion, eight hundred fifty-five million, fifteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.121911855015472 × 10¹⁵

Factors of 2121911855015472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 494

Divisors of 2121911855015472

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 103 104 108 117 144 156 162 206 208 216 234 243 309 312 324 351 373 412 432 468 486 618 624 648 702 746 824 927 936 972 1053 1119 1236 1296 1339 1404 1492 1648 1854 1872 1944 2106 2238 2472 2678 2781 2808 2984 3159 3357 3708 3888 4017 4212 4476 4849 4944 5356 5562 5616 5968 6318 6714 7416 8034 8343 8424 8952 9698 10071 10609 10712 11124 12051 12636 13428 14547 14832 16068 16686 16848 17904 19396 20142 21218 21424 22248 24102 25029 25272 26856 29094 30213 31827 32136 33372 36153 38419 38792 40284 42436 43641 44496 48204 50058 50544 53712 58188 60426 63654 64272 66744 72306 76838 77584 80568 84872 87282 90639 95481 96408 100116 108459 115257 116376 120852 127308 130923 133488 137917 144612 153676 161136 169744 174564 181278 190962 192816 200232 216918 230514 232752 241704 254616 261846 275834 286443 289224 307352 325377 345771 349128 362556 381924 392769 400464 413751 433836 461028 483408 499447 509232 523692 551668 572886 578448 614704 650754 691542 698256 725112 763848 785538 827502 859329 867672 922056 998894 1037313 1047384 1092727 1103336 1145772 1178307 1241253 1301508 1383084 1450224 1498341 1527696 1571076 1655004 1718658 1735344 1844112 1997788 2074626 2094768 2185454 2206672 2291544 2356614 2482506 2577987 2603016 2766168 2996682 3111939 3142152 3278181 3310008 3437316 3723759 3957157 3995576 4149252 4370908 4495023 4583088 4713228 4965012 5155974 5206032 5532336 5993364 6223878 6284304 6556362 6620016 6874632 7447518 7914314 7991152 8298504 8741816 8990046 9335817 9426456 9834543 9930024 10311948 11171277 11871471 11986728 12447756 13112724 13485069 13749264 14205451 14895036 15828628 16597008 17483632 17980092 18671634 18852912 19669086 19860048 20623896 22342554 23742942 23973456 24895512 26225448 26970138 28410902 29503629 29790072 31657256 33513831 35614413 35960184 37343268 39338172 40455207 41247792 42616353 44685108 47485884 49791024 51443041 52450896 53940276 56821804 59007258 59580144 63314512 67027662 71228826 71920368 74686536 78676344 80910414 85232706 88510887 89370216 94971768 102886082 106843239 107880552 112550881 113643608 118014516 121365621 127849059 134055324 142457652 149373072 154329123 157352688 161820828 170465412 177021774 178740432 189943536 205772164 213686478 215761104 225101762 227287216 236029032 242731242 255698118 265532661 268110648 284915304 308658246 320529717 323641656 337652643 340930824 354043548 383547177 407587171 411544328 427372956 450203524 462987369 472058064 485462484 511396236 531065322 536221296 569830608 617316492 641059434 647283312 675305286 681861648 708087096 767094354 815174342 823088656 854745912 900407048 925974738 961589151 970924968 1012957929 1022792472 1062130644 1150641531 1222761513 1234632984 1282118868 1350610572 1388962107 1416174192 1463161453 1534188708 1630348684 1709491824 1800814096 1851949476 1923178302 1941849936 2025915858 2045584944 2124261288 2301283062 2445523026 2469265968 2564237736 2701221144 2777924214 2926322906 3038873787 3068377416 3260697368 3451924593 3668284539 3703898952 3846356604 4051831716 4166886321 4248522576 4389484359 4602566124 4891046052 5128475472 5298633223 5402442288 5555848428 5852645812 6077747574 6136754832 6521394736 6903849186 7336569078 7407797904 7692713208 8103663432 8333772642 8778968718 9116621361 9205132248 9782092104 10597266446 11004853617 11111696856 11705291624 12155495148 12500658963 13168453077 13807698372 14673138156 15385426416 15895899669 16207326864 16667545284 17557937436 18233242722 18410264496 19564184208 21194532892 22009707234 22223393712 23410583248 24310990296 25001317926 26336906154 27349864083 27615396744 29346276312 31791799338 33014560851 33335090568 35115874872 36466485444 39505359231 41981478613 42389065784 44019414468 47687699007 48621980592 50002635852 52673812308 54699728166 55230793488 58692552624 63583598676 66029121702 66670181136 70231749744 72932970888 79010718462 83962957226 84778131568 88038828936 95375398014 99043682553 100005271704 105347624616 109399456332 118516077693 125944435839 127167197352 132058243404 143063097021 145865941776 158021436924 167925914452 176077657872 190750796028 198087365106 200010543408 210695249232 218798912664 237032155386 251888871678 254334394704 264116486808 286126194042 316042873848 335851828904 355548233079 377833307517 381501592056 396174730212 429189291063 437597825328 474064310772 503777743356 528232973616 545759221969 572252388084 632085747696 671703657808 711096466158 755666615034 763003184112 792349460424 858378582126 948128621544 1007555486712 1091518443938 1133499922551 1144504776168 1287567873189 1422192932316 1511333230068 1584698920848 1637277665907 1716757164252 1896257243088 2015110973424 2183036887876 2266999845102 2289009552336 2575135746378 2844385864632 3022666460136 3274555331814 3400499767653 3433514328504 4366073775752 4533999690204 4911832997721 5150271492756 5688771729264 6045332920272 6549110663628 6800999535306 6867028657008 8732147551504 9067999380408 9823665995442 10201499302959 10300542985512 13098221327256 13601999070612 14735498993163 18135998760816 19647331990884 20402998605918 20601085971024 26196442654512 27203998141224 29470997986326 39294663981768 40805997211836 44206496979489 54407996282448 58941995972652 78589327963536 81611994423672 88412993958978 117883991945304 132619490938467 163223988847344 176825987917956 235767983890608 265238981876934 353651975835912 530477963753868 707303951671824 1060955927507736 2121911855015472
• Sum of all divisors σ(n): 6715040975346704
• Sum of proper divisors (its aliquot sum) s(n): 4593129120331232
• 2121911855015472 is an abundant number, because the sum of its proper divisors (4593129120331232) is greater than itself. Its abundance is 2471217265315760

Bases of 2121911855015472

• Binary: 111100010011101111000011010010111001110011000110000₂
• Hexadecimal: 0x789DE1A5CE630
• Base-36: KW5KUKC300

Squares and roots of 2121911855015472

• 2121911855015472 squared (2121911855015472²) is 4502509920455201465441359382784
• 2121911855015472 cubed (2121911855015472³) is 9553929177538661819422676158718161216690434048
• The square root of 2121911855015472 is 46064214.4730100875
• The cube root of 2121911855015472 is 128501.7709842975

Scales and comparisons

• 2,121,911,855,015,472 seconds is equal to 67,470,233 years, 25 weeks, 1 day, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 2,121,911,855,015,472 would take you about two hundred two million, four hundred ten thousand, seven hundred 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 2121911855015472 cubic inches would be around 10708.5 feet tall.

Recreational maths with 2121911855015472

• 2121911855015472 backwards is 2745105581191212
• 2121911855015472 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 2121911855015472's digits is 54
• More coming soon!