21680819294992

Names of 21680819294992

• Cardinal: 21680819294992 can be written as Twenty-one trillion, six hundred eighty billion, eight hundred nineteen million, two hundred ninety-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1680819294992 × 10¹³

Factors of 21680819294992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 74

Divisors of 21680819294992

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 8 11 13 16 19 22 26 29 38 44 52 58 76 88 104 116 121 143 152 169 176 208 209 232 242 247 286 304 319 338 377 418 464 484 494 551 572 638 676 754 836 841 968 988 1102 1144 1276 1331 1352 1508 1573 1672 1682 1859 1936 1976 2197 2204 2288 2299 2552 2662 2704 2717 3016 3146 3211 3344 3364 3509 3718 3952 4147 4394 4408 4598 4901 5104 5324 5434 6032 6061 6292 6422 6728 7018 7163 7436 8294 8788 8816 9196 9251 9802 10648 10868 10933 12122 12584 12844 13456 14036 14326 14872 15979 16588 17303 17576 18392 18502 19604 20449 21296 21736 21866 24167 24244 24389 25168 25289 25688 28072 28652 29744 29887 31958 33176 34606 35152 35321 36784 37004 38599 39208 40898 41743 43472 43732 45617 48334 48488 48778 50578 51376 53911 56144 57304 59774 63713 63916 66352 66671 69212 70642 74008 77198 78416 78793 81796 83486 87464 91234 93119 96668 96976 97556 101156 101761 107822 114608 119548 120263 127426 127832 133342 138424 141284 142129 148016 154396 157586 163592 166972 174928 175769 182468 186238 193336 195112 202312 203522 207727 215644 224939 239096 240526 254852 255664 265837 266684 268279 276848 282568 284258 308792 315172 317057 327184 328757 333944 351538 364936 372476 386672 388531 390224 404624 407044 415454 431288 449878 459173 463391 478192 481052 501787 509704 531674 533368 536558 565136 568516 593021 617584 630344 634114 657514 667888 700843 703076 729872 733381 744952 777062 814088 830908 862576 866723 899756 918346 926782 962104 1003574 1019408 1024309 1063348 1066736 1073116 1119371 1137032 1186042 1210547 1260688 1268228 1315028 1322893 1401686 1406152 1466762 1489904 1554124 1563419 1628176 1661816 1733446 1799512 1836692 1847677 1853564 1924208 1933459 2007148 2048618 2126696 2146232 2238742 2274064 2284997 2372084 2421094 2536456 2630056 2645786 2700451 2803372 2812304 2924207 2933524 2951069 3108248 3126838 3323632 3466892 3487627 3599024 3673384 3695354 3707128 3866918 4014296 4097236 4121741 4253392 4273841 4292464 4477484 4569994 4744168 4842188 5050903 5072912 5097301 5260112 5291572 5400902 5606744 5848414 5867048 5902138 6024083 6216496 6253676 6523231 6933784 6975254 7346768 7390708 7414256 7709273 7733836 8028592 8194472 8243482 8547682 8954968 9139988 9488336 9533953 9684376 10101806 10194602 10583144 10801804 11213488 11267399 11696828 11734096 11804276 12048166 12507352 13046462 13316017 13867568 13950508 14551823 14781416 15418546 15467672 16388944 16486964 17095364 17197609 17909936 18279976 19067906 19368752 20203612 20324447 20389204 21166288 21268049 21603608 22534798 23393656 23608552 24096332 25014704 25134967 26092924 26632034 27901016 29103646 29562832 29704961 30837092 30935344 32461759 32973928 34190728 34395218 35105863 36559952 38135812 38363897 40407224 40648894 40778408 42536098 43207216 45069596 45339151 46787312 47217104 48192664 50269934 52185848 53264068 53582633 55559933 55802032 56070311 58207292 59409922 61674184 64923518 65947856 66264913 68381456 68790436 70211726 76271624 76727794 78313079 80814448 81297788 81556816 84802003 85072196 90139192 90678302 96385328 100539868 104371696 106528136 107165266 111119866 112140622 116414584 118819844 123348368 123941389 129847036 132529826 137580872 140423452 146476187 152543248 153455588 156626158 162595576 169604006 170144392 180278384 181356604 189173699 201079736 213056272 214330532 222239732 223568917 224281244 232829168 237639688 247882778 259694072 265059652 275161744 276484637 280846904 292952374 306911176 313252316 325191152 326754571 339208012 340288784 362713208 378347398 386164493 402159472 422002867 428661064 444479464 447137834 448562488 475279376 495765556 498730661 519388144 530119304 552969274 561693808 585904748 589408963 613822352 616773421 626504632 653509142 678416024 725426416 728914043 756694796 772328986 844005734 857322128 861443869 888958928 894275668 897124976 991531112 997461322 1018070027 1060238608 1105938548 1171809496 1178817926 1233546842 1253009264 1307018284 1356832048 1457828086 1513389592 1544657972 1611238057 1688011468 1722887738 1788551336 1983062224 1994922644 2036140054 2211877096 2343618992 2357635852 2459258087 2467093684 2614036568 2915656172 3026779184 3089315944 3222476114 3376022936 3445775476 3577102672 3594300281 3989845288 4072280108 4247809423 4423754192 4715271704 4918516174 4934187368 5228073136 5486037271 5831312344 6178631888 6444952228 6483498593 6752045872 6891550952 7188600562 7979690576 8018054473 8144560216 8495618846 9430543408 9475882559 9837032348 9868374736 10972074542 11198770297 11662624688 12889904456 12966997186 13783101904 14377201124 16036108946 16289120432 16991237692 18951765118 19674064696 21944149084 22397540594 25779808912 25933994372 28754402248 32072217892 33982475384 37903530236 39348129392 43888298168 44795081188 46725903653 51867988744 57508804496 64144435784 67964950768 71318484523 75807060472 87776596336 89590162376 93451807306 103735977488 104234708149 123186473267 128288871568 142636969046 151614120944 179180324752 186903614612 208469416298 246372946534 285273938092 373807229224 416938832596 492745893068 570547876184 747614458448 833877665192 985491786136 1141095752368 1355051205937 1667755330384 1970983572272 2710102411874 5420204823748 10840409647496 21680819294992
• Sum of all divisors σ(n): 54568632384000
• Sum of proper divisors (its aliquot sum) s(n): 32887813089008
• 21680819294992 is an abundant number, because the sum of its proper divisors (32887813089008) is greater than itself. Its abundance is 11206993794016

Bases of 21680819294992

• Binary: 100111011011111110101100010000101001100010000₂
• Hexadecimal: 0x13B7F5885310
• Base-36: 7OO140XSG

Squares and roots of 21680819294992

• 21680819294992 squared (21680819294992²) is 470057925302097403916280064
• 21680819294992 cubed (21680819294992³) is 10191240936653621635395076596963704639488
• The square root of 21680819294992 is 4656266.6692310483
• The cube root of 21680819294992 is 27884.2240239907

Scales and comparisons

• 21,680,819,294,992 seconds is equal to 689,382 years, 51 weeks, 3 days, 12 hours, 9 minutes, 52 seconds.
• To count from 1 to 21,680,819,294,992 would take you about one million, seven hundred twenty-three thousand, four hundred fifty-seven 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 21680819294992 cubic inches would be around 2323.7 feet tall.

Recreational maths with 21680819294992

• 21680819294992 backwards is 29949291808612
• The number of decimal digits it has is: 14
• The sum of 21680819294992's digits is 70
• More coming soon!