21493320918784

Names of 21493320918784

• Cardinal: 21493320918784 can be written as Twenty-one trillion, four hundred ninety-three billion, three hundred twenty million, nine hundred eighteen thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 2.1493320918784 × 10¹³

Factors of 21493320918784

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1138

Divisors of 21493320918784

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 31 32 44 52 62 64 88 104 124 127 128 143 176 197 208 248 254 256 286 341 352 394 403 416 496 508 572 682 704 757 788 806 832 992 1016 1144 1364 1397 1408 1514 1576 1612 1651 1664 1984 2032 2167 2288 2561 2728 2794 2816 3028 3152 3224 3302 3328 3937 3968 4064 4334 4433 4576 5122 5456 5588 6056 6107 6304 6448 6604 7874 7936 8128 8327 8668 8866 9152 9841 10244 10912 11176 12112 12214 12608 12896 13208 15748 16256 16654 17336 17732 18161 18304 19682 20488 21824 22352 23467 24224 24428 25019 25216 25792 26416 28171 31496 32512 33308 34672 35464 36322 36608 39364 40976 43307 43648 44704 46934 48448 48856 50038 50432 51181 51584 52832 56342 62992 66616 67177 69344 70928 72644 78728 79391 81952 86614 87296 89408 93868 96139 96896 97712 100076 102362 103168 105664 108251 112684 125984 133232 134354 138688 141856 145288 149129 157456 158782 163904 173228 178816 187736 192278 193792 195424 200152 204724 211328 216502 225368 251968 258137 266464 268708 275209 277376 283712 290576 298258 305071 314912 317564 325247 327808 346456 357632 375472 384556 390848 400304 409448 422656 433004 450736 503936 516274 532928 537416 550418 554752 562991 567424 581152 596516 610142 629824 635128 650494 655616 692912 750944 769112 775589 781696 800608 818896 866008 873301 901472 1007872 1032548 1057529 1065856 1074832 1100836 1125982 1134848 1162304 1193032 1220284 1249807 1259648 1270256 1300988 1385824 1501888 1538224 1551178 1563392 1601216 1637792 1640419 1732016 1746602 1802944 1938677 2065096 2115058 2131712 2149664 2201672 2251964 2324608 2386064 2440568 2499614 2519296 2540512 2601976 2771648 2980309 3003776 3076448 3102356 3202432 3275584 3280838 3355781 3464032 3493204 3577717 3605888 3877354 4130192 4230116 4299328 4403344 4503928 4622999 4649216 4772128 4881136 4999228 5081024 5203952 5543296 5960618 6007552 6152896 6204712 6404864 6551168 6561676 6711562 6928064 6986408 7155434 7211776 7754708 8260384 8460232 8531479 8598656 8806688 9007856 9245998 9544256 9762272 9998456 10082657 10162048 10407904 11086592 11921236 12305792 12409424 13102336 13123352 13423124 13747877 13856128 13972816 14310868 15509416 16520768 16920464 17062958 17197312 17613376 18015712 18491996 18939383 19088512 19524544 19996912 20165314 20324096 20815808 21325447 23842472 24611584 24818848 26246704 26846248 27495754 27712256 27945632 28621736 31018832 32783399 33041536 33840928 34125916 35226752 36031424 36983992 37878766 38177024 38744017 39049088 39993824 40330628 41631616 42650894 47684944 49637696 50852989 52493408 53692496 54991508 55891264 57243472 60098987 62037664 65566798 66083072 67681856 68251832 70453504 72062848 73967984 75757532 77488034 78098176 79987648 80661256 83263232 85301788 95369888 99275392 101705978 104986816 107384992 109983016 110909227 111782528 114486944 120197974 124075328 131133596 135363712 136503664 144125696 147935968 151515064 154976068 159975296 161322512 170603576 190739776 198550784 203411956 208333213 209973632 214769984 219966032 221818454 223565056 228973888 240395948 246211979 248150656 262267192 270727424 273007328 295871936 303030128 309952136 319950592 322645024 341207152 381479552 406823912 416666426 419947264 426184187 429539968 439932064 443636908 457947776 480791896 492423958 496301312 524534384 546014656 587120873 591743872 606060256 619904272 645290048 661088857 682414304 762959104 813647824 833332852 852368374 859079936 879864128 887273816 915895552 961583792 984847916 1049068768 1092029312 1174241746 1183487744 1212120512 1239808544 1290580096 1322177714 1364828608 1627295648 1666665704 1704736748 1759728256 1774547632 1923167584 1969695832 2098137536 2184058624 2348483492 2424241024 2479617088 2581160192 2644355428 2708331769 2729657216 3254591296 3333331408 3409473496 3519456512 3549095264 3846335168 3939391664 4196275072 4696966984 4848482048 4959234176 5288710856 5416663538 5459314432 6458329603 6509182592 6666662816 6818946992 7098190528 7632571349 7692670336 7878783328 8392550144 9393933968 9918468352 10577421712 10833327076 12916659206 13018365184 13333325632 13637893984 14196381056 15265142698 15385340672 15757566656 18787867936 21154843424 21666654152 25833318412 26666651264 27275787968 28392762112 30530285396 31515133312 37575735872 42309686848 43333308304 51666636824 53333302528 54551575936 61060570792 63030266624 75151471744 83958284839 84619373696 86666616608 103333273648 109103151872 122121141584 150302943488 167916569678 169238747392 173333233216 206666547296 244242283168 335833139356 346666466432 413333094592 488484566336 671666278712 693332932864 826666189184 976969132672 1343332557424 1653332378368 1953938265344 2686665114848 5373330229696 10746660459392 21493320918784
• Sum of all divisors σ(n): 52774548406272
• Sum of proper divisors (its aliquot sum) s(n): 31281227487488
• 21493320918784 is an abundant number, because the sum of its proper divisors (31281227487488) is greater than itself. Its abundance is 9787906568704

Bases of 21493320918784

• Binary: 100111000110001001101110000100010011100000000₂
• Hexadecimal: 0x138C4DC22700
• Base-36: 7M9W8C0SG

Squares and roots of 21493320918784

• 21493320918784 squared (21493320918784²) is 461962844117837889924038656
• 21493320918784 cubed (21493320918784³) is 9929115661178877246225706381745852514304
• The square root of 21493320918784 is 4636088.9679539153
• The cube root of 21493320918784 is 27803.6091266781

Scales and comparisons

• 21,493,320,918,784 seconds is equal to 683,421 years, 6 weeks, 2 days, 9 hours, 53 minutes, 4 seconds.
• To count from 1 to 21,493,320,918,784 would take you about one million, seven hundred eight thousand, five hundred fifty-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 21493320918784 cubic inches would be around 2317 feet tall.

Recreational maths with 21493320918784

• 21493320918784 backwards is 48781902339412
• The number of decimal digits it has is: 14
• The sum of 21493320918784's digits is 61
• More coming soon!