21918593684442

Names of 21918593684442

• Cardinal: 21918593684442 can be written as Twenty-one trillion, nine hundred eighteen billion, five hundred ninety-three million, six hundred eighty-four thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.1918593684442 × 10¹³

Factors of 21918593684442

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 212

Divisors of 21918593684442

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 41 42 49 57 78 82 91 98 114 123 127 133 147 169 182 246 247 254 266 273 287 294 338 343 381 399 494 507 533 546 574 637 686 741 762 779 798 861 889 931 1014 1029 1066 1183 1274 1482 1558 1599 1651 1722 1729 1778 1862 1911 2009 2058 2197 2337 2366 2401 2413 2667 2793 3198 3211 3302 3458 3549 3731 3822 4018 4394 4459 4674 4802 4826 4953 5187 5207 5334 5453 5586 6027 6223 6422 6517 6591 6929 7098 7203 7239 7462 8281 8918 9633 9906 10127 10374 10414 10906 11193 11557 12054 12103 12446 13034 13182 13377 13858 14063 14406 14478 15379 15621 16359 16562 16807 16891 18669 19266 19551 20254 20787 21463 22386 22477 23114 24206 24843 26117 26754 28126 30381 30758 31213 31242 31369 32718 33614 33782 34671 36309 36449 37338 38171 39102 41574 41743 42189 42926 43561 44954 45619 46137 48503 49686 50421 50673 52234 57967 60762 62426 62738 64389 67431 67691 69342 70889 72618 72898 76342 78351 80899 83486 84378 84721 87122 90077 91238 92274 93639 94107 97006 98441 98933 100842 101346 107653 109347 114513 115934 118237 125229 128778 130683 131651 134862 135382 136857 141778 145509 150241 156702 157339 161798 169442 173901 180154 182819 187278 188214 196882 197866 203073 212667 215306 218491 218694 219583 229026 236474 242697 250458 254163 255143 261366 263302 267197 270231 273714 279019 291018 292201 295323 296799 300482 304927 314678 319333 322959 339521 347802 354711 365638 394953 405769 406146 407797 425334 436982 439166 450723 472017 473837 485394 496223 508326 510286 534394 540462 548457 558038 566293 584402 590646 593047 593598 609854 630539 638666 645918 655473 658749 679042 689087 692531 709422 753571 765429 789906 801591 811538 815594 827659 837057 876603 879983 901446 914781 921557 944034 947674 957999 992446 1018563 1051687 1096914 1101373 1132586 1186094 1217307 1223391 1261078 1279733 1286129 1310946 1317498 1378174 1385062 1421511 1488669 1507142 1530858 1537081 1603182 1655318 1674114 1698879 1711463 1753206 1759966 1779141 1786001 1829562 1843114 1870379 1891617 1915998 1953133 2037126 2045407 2067261 2077593 2103374 2134489 2202746 2260713 2376647 2434614 2446782 2482977 2559466 2572258 2639949 2764671 2840383 2843022 2854579 2977338 3074162 3155061 3304119 3316859 3397758 3422926 3473561 3558282 3572002 3740758 3783234 3839199 3858387 3906266 3964051 4090814 4134522 4151329 4155186 4268978 4413773 4521426 4611243 4753294 4847717 4965954 5134389 5274997 5279898 5301361 5358003 5529342 5611137 5680766 5709158 5793613 5859399 6136221 6159881 6310122 6403467 6450899 6608238 6633718 6947122 7129941 7361809 7678398 7709611 7716774 7928102 8302658 8521149 8563737 8827546 8958131 9002903 9222486 9695434 9950577 10268778 10420683 10549994 10602722 10716006 10759567 11222274 11439779 11587226 11718798 11892153 11980241 12272442 12319762 12453987 12502007 12806934 12901798 13092653 13241319 13671931 14259882 14317849 14543151 14723618 15419222 15824991 15904083 16636529 16719677 17042298 17127474 17380839 17916262 18005806 18479643 19352697 19901154 19982053 20841366 21519134 22085427 22879558 23128833 23218013 23784306 23960482 24314927 24907974 25004014 26185306 26482638 26874393 27008709 27343862 27748357 28635698 29086302 30896411 31649982 31808166 32278701 33273058 33439354 33934019 34319337 34761678 35940723 36924979 36959286 37109527 37506021 38705394 39277959 39964106 40555291 41015793 42953547 43119167 44170854 45156293 46257666 46436026 48629854 49909587 50159031 51532663 53748786 53967277 54017418 55496714 59946159 61792822 63020321 64557402 67868038 68638674 69654039 71881446 72944781 73849958 74219054 75012042 75316969 78555918 80078453 81110582 82031586 83245071 83861687 85907094 86238334 87514049 90312586 92689233 95703517 99819174 100224943 100318062 101802057 103065326 107934554 110774937 111328581 116455703 117037739 119892318 121665873 126040642 129357501 135468879 139308078 139874371 145889562 150633938 154597989 160156906 161901831 162526091 166490142 167723374 170204489 175028098 185378466 189060963 191407034 200449886 203604114 216274877 217355801 221549874 222657162 225950907 232911406 234075478 237538133 240235359 243331746 251585061 258715002 259766689 262542147 270937758 279748742 287110551 300674829 301834169 309195978 316094051 323803662 325052182 340408978 349367109 351113217 360728641 378121926 419623113 432549754 434711602 441142247 451901814 475076266 480470718 487578273 503170122 510613467 519533378 525084294 527218783 560549171 574221102 587031809 601349658 603668338 632188102 648824631 652067403 669924619 698734218 701574601 702226434 712614399 721457282 779300067 819264173 839246226 882284494 905502507 948282153 975156546 979120597 1021226934 1054437566 1082185923 1121098342 1137682637 1174063618 1297649262 1304134806 1323426741 1339849238 1403149202 1425228798 1513924139 1521490607 1558600134 1581656349 1638528346 1662766931 1681647513 1761095427 1811005014 1818366823 1896564306 1958241194 2009773857 2104723803 2112839183 2164371846 2212658357 2275365274 2457792519 2646853482 2937361791 3027848278 3042981214 3087995729 3163312698 3325533862 3363295026 3413047911 3522190854 3636733646 3923844197 4019547714 4109222663 4209447606 4225678366 4425316714 4541772417 4564471821 4689472333 4915585038 4988300793 5455100469 5734849211 5874723582 6175991458 6338517549 6637975071 6826095822 6853844179 7847688394 8218445326 9083544834 9128943642 9263987187 9378944666 9976601586 10650434249 10910200938 11469698422 11771532591 12327667989 12677035098 12728567761 13275950142 13707688358 14068416999 14789874281 17204547633 18527974374 20561532537 21300868498 21615970103 23543065182 24655335978 25457135522 27466909379 28136833998 28764558641 29579748562 31951302747 34409095266 38185703283 40143944477 41123065074 43231940206 44369622843 54933818758 57529117282 63902605494 64847910309 74553039743 76371406566 80287888954 82400728137 86293675923 88739245686 89099974327 120431833431 129695820618 149106079486 164801456274 172587351846 178199948654 192268365653 223659119229 240863666862 267299922981 281007611339 384536731306 447318238458 521871278201 534599845962 562015222678 576805096959 843022834017 1043742556402 1153610193918 1565613834603 1686045668034 3131227669206 3653098947407 7306197894814 10959296842221 21918593684442
• Sum of all divisors σ(n): 60211681689600
• Sum of proper divisors (its aliquot sum) s(n): 38293088005158
• 21918593684442 is an abundant number, because the sum of its proper divisors (38293088005158) is greater than itself. Its abundance is 16374494320716

Bases of 21918593684442

• Binary: 100111110111101010001111111011001001111011010₂
• Hexadecimal: 0x13EF51FD93DA
• Base-36: 7RP9GRAVU

Squares and roots of 21918593684442

• 21918593684442 squared (21918593684442²) is 480424749103660728672851364
• 21918593684442 cubed (21918593684442³) is 10530234871553130447871415651314585278888
• The square root of 21918593684442 is 4681729.7748206271
• The cube root of 21918593684442 is 27985.7894236017

Scales and comparisons

• 21,918,593,684,442 seconds is equal to 696,943 years, 24 weeks, 6 days, 21 hours, 40 minutes, 42 seconds.
• To count from 1 to 21,918,593,684,442 would take you about one million, seven hundred forty-two thousand, three hundred fifty-eight 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 21918593684442 cubic inches would be around 2332.1 feet tall.

Recreational maths with 21918593684442

• 21918593684442 backwards is 24448639581912
• The number of decimal digits it has is: 14
• The sum of 21918593684442's digits is 66
• More coming soon!