21312209332908

Names of 21312209332908

• Cardinal: 21312209332908 can be written as Twenty-one trillion, three hundred twelve billion, two hundred nine million, three hundred thirty-two thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1312209332908 × 10¹³

Factors of 21312209332908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1314

Divisors of 21312209332908

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 27 34 36 39 51 52 54 68 78 81 102 108 117 153 156 162 169 204 221 234 243 289 306 324 338 351 442 459 468 486 507 578 612 663 676 702 729 867 884 918 972 1014 1053 1156 1279 1326 1377 1404 1458 1521 1734 1836 1989 2028 2106 2187 2197 2558 2601 2652 2754 2873 2916 3042 3159 3468 3757 3837 3978 4131 4212 4374 4394 4563 5116 5202 5508 5746 5967 6084 6318 6561 6591 7514 7674 7803 7956 8262 8619 8748 8788 9126 9477 10404 11271 11492 11511 11934 12393 12636 13122 13182 13689 15028 15348 15606 16524 16627 17238 17901 18252 18954 19773 21743 22542 23022 23409 23868 24786 25857 26244 26364 27378 28431 31212 33254 33813 34476 34533 35802 37179 37349 37908 39546 41067 43486 45084 46044 46818 48841 49572 49881 51714 53703 54756 56862 59319 65229 66508 67626 69066 70227 71604 74358 74698 77571 79092 82134 85293 86972 93636 97682 99762 101439 103428 103599 107406 111537 112047 113724 118638 123201 130458 135252 138132 140454 146523 148716 149396 149643 155142 161109 164268 170586 177957 195364 195687 199524 202878 207198 210681 214812 216151 223074 224094 232713 237276 246402 260916 280908 282659 293046 299286 304317 310284 310797 322218 336141 341172 355914 369603 369631 391374 405756 414396 421362 432302 439569 446148 448188 448929 465426 483327 492804 533871 565318 586092 587061 598572 608634 621594 632043 634933 644436 648453 672282 698139 711828 739206 739262 782748 842724 847977 864604 879138 897858 912951 930852 932391 966654 1008423 1067742 1108809 1108893 1130636 1174122 1217268 1243188 1264086 1269866 1296906 1318707 1344564 1346787 1396278 1449981 1478412 1478524 1601613 1695954 1758276 1761183 1795716 1825902 1864782 1896129 1904799 1933308 1945359 2016846 2094417 2135484 2217618 2217786 2348244 2528172 2539732 2543931 2593812 2637414 2693574 2738853 2792556 2797173 2809963 2899962 3025269 3203226 3326679 3391908 3522366 3651804 3674567 3729564 3792258 3809598 3890718 3956121 4033692 4040361 4188834 4435236 4435572 4804839 4805203 5087862 5274828 5283549 5387148 5477706 5594346 5619926 5714397 5799924 5836077 6050538 6283251 6406452 6653358 7044732 7349134 7584516 7619196 7631793 7781436 7912242 8080722 8216559 8377668 8391519 8429889 9075807 9609678 9610406 9980037 10175724 10567098 10955412 11023701 11188692 11239852 11428794 11672154 11868363 12101076 12121083 12566502 13306716 14414517 14415609 14698268 15263586 15824484 15850647 16161444 16433118 16783038 16859778 17143191 17508231 18151614 18849753 19219356 19220812 19960074 21134196 22047402 22857588 22895379 23344308 23736726 24242166 24649677 25133004 25289667 27227421 28829034 28831218 29940111 30527172 31701294 32866236 33071103 33566076 33719556 34286382 35016462 35605089 36303228 36363249 37699506 39920148 43246827 44094804 45790758 47473452 47551941 47769371 48484332 49299354 50579334 51429573 52524693 54454842 57658068 57662436 59880222 62467639 63402588 66142206 68572764 68686137 70032924 71210178 72726498 75399012 75869001 81682263 86493654 89820333 91581516 95103882 95538742 98598708 99213309 101158668 102859146 105049386 106815267 108909684 109089747 119760444 124935278 129740481 132284412 137372274 142420356 142655823 143308113 145452996 151738002 154288719 157574079 163364526 172987308 179640666 187402917 190207764 191077484 198426618 205718292 206058411 210098772 213630534 218179494 227607003 245046789 249870556 259480962 269460999 274744548 285311646 286616226 297639927 303476004 308577438 315148158 320445801 326729052 359281332 374805834 389221443 396853236 412116822 427261068 429924339 436358988 455214006 462866157 472722237 490093578 518961924 538921998 562208751 570623292 573232452 595279854 617154876 618175233 630296316 640891602 682821009 749611668 778442886 808382997 812079307 824233644 859848678 892919781 910428012 925732314 945444474 980187156 1077843996 1124417502 1167664329 1190559708 1236350466 1281783204 1289773017 1365642018 1388598471 1418166711 1556885772 1616765994 1624158614 1686626253 1719697356 1785839562 1851464628 1854525699 1890888948 2048463027 2248835004 2335328658 2425148991 2436237921 2472700932 2579546034 2678759343 2731284036 2777196942 2836333422 3233531988 3248317228 3373252506 3502992987 3571679124 3709051398 3869319051 4096926054 4165795413 4670657316 4850297982 4872475842 5059878759 5159092068 5357518686 5554393884 5672666844 6145389081 6746505012 7005985974 7308713763 7418102796 7738638102 8036278029 8193852108 8331590826 9700595964 9744951684 10119757518 10508978961 10715037372 11607957153 12290778162 14011971948 14617427526 15179636277 15477276204 16072556058 16663181652 18436167243 20239515036 21017957922 21926141289 23215914306 24108834087 24581556324 29234855052 30359272554 31526936883 32145112116 34823871459 36872334486 42035915844 43852282578 45538908831 46431828612 48217668174 60718545108 63053873766 65778423867 69647742918 73744668972 87704565156 91077817662 96435336348 104471614377 126107747532 131556847734 136616726493 139295485836 182155635324 197335271601 208943228754 263113695468 273233452986 313414843131 394670543202 409850179479 417886457508 546466905972 592005814803 626829686262 789341086404 819700358958 1184011629606 1253659372524 1639400717916 1776017444409 2368023259212 3552034888818 5328052333227 7104069777636 10656104666454 21312209332908
• Sum of all divisors σ(n): 64426208537600
• Sum of proper divisors (its aliquot sum) s(n): 43113999204692
• 21312209332908 is an abundant number, because the sum of its proper divisors (43113999204692) is greater than itself. Its abundance is 21801789871784

Bases of 21312209332908

• Binary: 100110110001000100010101010101010101010101100₂
• Hexadecimal: 0x136222AAAAAC
• Base-36: 7JYOZ66R0

Squares and roots of 21312209332908

• 21312209332908 squared (21312209332908²) is 454210266649690858371736464
• 21312209332908 cubed (21312209332908³) is 9680224283994172808823131492507018757312
• The square root of 21312209332908 is 4616514.8470364525
• The cube root of 21312209332908 is 27725.2938485273

Scales and comparisons

• 21,312,209,332,908 seconds is equal to 677,662 years, 17 weeks, 2 days, 12 hours, 1 minute, 48 seconds.
• To count from 1 to 21,312,209,332,908 would take you about one million, six hundred ninety-four thousand, one hundred fifty-five 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 21312209332908 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21312209332908

• 21312209332908 backwards is 80923390221312
• The number of decimal digits it has is: 14
• The sum of 21312209332908's digits is 45
• More coming soon!