21901351490928

Names of 21901351490928

• Cardinal: 21901351490928 can be written as Twenty-one trillion, nine hundred one billion, three hundred fifty-one million, four hundred ninety thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1901351490928 × 10¹³

Factors of 21901351490928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3272

Divisors of 21901351490928

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 28 34 36 39 42 48 51 52 56 63 68 72 78 84 91 102 104 109 112 117 119 126 136 144 153 156 168 182 204 208 218 221 234 238 252 272 273 289 306 312 327 336 357 364 408 436 442 468 476 504 546 578 612 624 654 663 714 728 763 816 819 867 872 884 936 952 981 1008 1071 1092 1156 1224 1308 1326 1417 1428 1456 1526 1547 1638 1734 1744 1768 1853 1872 1904 1962 1989 2023 2142 2184 2289 2312 2448 2601 2616 2652 2834 2856 3052 3094 3121 3276 3468 3536 3706 3757 3924 3978 4046 4251 4284 4368 4578 4624 4641 4913 5202 5232 5304 5559 5668 5712 6069 6104 6188 6242 6552 6867 6936 7412 7514 7848 7956 8092 8502 8568 9156 9282 9363 9826 9919 10404 10608 11118 11271 11336 12138 12208 12376 12484 12753 12971 13104 13734 13872 13923 14739 14824 15028 15696 15912 16184 16677 17004 17136 18207 18312 18564 18726 19652 19838 20808 21847 22236 22542 22672 24089 24276 24752 24968 25506 25942 26299 27468 27846 28089 29478 29648 29757 30056 31501 31824 32368 33354 33813 34008 34391 36414 36624 37128 37452 38913 39304 39676 40573 41616 43694 44217 44472 45084 48178 48552 49936 51012 51884 52598 53057 54936 55692 56178 58956 59514 60112 63002 63869 65541 66708 67626 68016 68782 72267 72828 74256 74904 77826 78608 78897 79352 81146 87388 88434 88944 89271 90168 94503 96356 97104 102024 103173 103768 105196 106114 109872 111384 112356 116739 117912 119028 121719 126004 127738 131082 133416 135252 137564 144534 145656 149808 155652 157794 158704 159171 162292 168623 174776 176868 178542 180336 189006 191607 192712 196623 204048 206346 207536 210392 212228 216801 220507 222768 224712 233478 235824 236691 238056 243438 252008 255476 262164 266832 270504 275128 283509 284011 289068 291312 309519 311304 315588 318342 324584 337246 340189 349552 353736 357084 365157 371399 378012 383214 385424 393246 409513 412692 420784 424456 433602 441014 447083 449424 466956 473382 476112 477513 486876 504016 505869 510952 524328 535517 541008 550256 567018 568022 574821 578136 619038 622608 631176 636684 649168 661521 674492 680378 689741 707472 714168 730314 742798 756024 766428 786492 819026 825384 848912 852033 867204 882028 894166 901969 933912 946764 955026 973752 1011738 1020567 1021904 1048656 1071034 1114197 1134036 1136044 1149642 1156272 1228539 1238076 1262352 1273368 1323042 1341249 1348984 1360756 1379482 1428336 1460628 1485596 1512048 1517607 1532856 1572984 1606551 1638052 1650768 1704066 1734408 1764056 1788332 1803938 1867824 1893528 1910052 1947504 1984563 2023476 2041134 2069223 2142068 2228394 2268072 2272088 2299284 2381323 2457078 2476152 2546736 2556099 2646084 2682498 2697968 2705907 2721512 2758964 2866591 2921256 2971192 3035214 3061701 3065712 3145968 3213102 3276104 3342591 3408132 3468816 3528112 3576664 3607876 3685617 3748619 3787056 3820104 3969126 4023747 4046952 4082268 4138446 4284136 4422457 4456788 4536144 4544176 4598568 4762646 4819653 4828187 4914156 4952304 5112198 5292168 5364996 5411814 5443024 5517928 5733182 5783213 5842512 5942384 6070428 6123402 6207669 6313783 6426204 6552208 6685182 6816264 6961721 7143969 7153328 7215752 7371234 7497238 7640208 7938252 8047494 8093904 8117721 8164536 8276892 8568272 8599773 8844914 8913576 9197136 9525292 9639306 9656374 9828312 10224396 10584336 10729992 10823628 11035856 11245857 11466364 11566426 11725597 12140856 12246804 12415338 12627566 12852408 13267371 13370364 13632528 13923442 14287938 14431504 14484561 14742468 14994476 15333473 15876504 16094988 16235442 16329072 16553784 17199546 17349639 17689828 17827152 18941349 19050584 19278612 19312748 19656624 20448792 20885163 21431907 21459984 21647256 22491714 22932728 23132852 23451194 24281712 24493608 24830676 25255132 25704816 25799319 26534742 26740728 27846884 28575876 28969122 29484936 29988952 30666946 30957199 31753008 32189976 32470884 33107568 33737571 34399092 34699278 35176791 35379656 37882698 38101168 38557224 38625496 39802113 40482491 40897584 41770326 42863814 43294512 43453683 44983428 45865456 46000419 46265704 46902388 48732047 48987216 49661352 50510264 51598638 52048917 53069484 53481456 55693768 56824047 57151752 57938244 58969872 59977904 61333892 61914398 62655489 64379952 64941768 67475142 68798184 69398556 70353582 70759312 75181769 75765396 77114448 77250992 79604226 80964982 82079179 83540652 85727628 86907366 89966856 92000838 92531408 92871597 93804776 97464094 98314621 99322704 101020528 103197276 104097834 105530373 106138968 107334311 111387536 113648094 114303504 115876488 121447473 122667784 123828796 125310978 129883536 134950284 137596368 138001257 138797112 140707164 146196141 150363538 151530792 159208452 161929964 164158358 167081304 171455256 173814732 179933712 184001676 185743194 187609552 194928188 196629242 199335149 206394552 208195668 211060746 212277936 214668622 225545307 227296188 231752976 242894946 245335568 246237537 247657592 250621956 269900568 276002514 277594224 278614791 281414328 292392282 294943863 300727076 303061584 318416904 322002933 323859928 328316716 334162608 342910512 347629464 364342419 368003352 371486388 389856376 393258484 398670298 412789104 416391336 422121492 429337244 438588423 451090614 454592376 485789892 492475074 495315184 501243912 526272383 539801136 552005028 557229582 562828656 584784564 589887726 598005447 601454152 636833808 644005866 647719856 656633432 676635921 688202347 695258928 728684838 736006704 738712611 742972776 779712752 786516968 797340596 832782672 844242984 858674488 877176846 884831589 902181228 909184752 966008799 971579784 984950148 1002487824 1052544766 1104010056 1114459164 1169569128 1179775452 1196010894 1202908304 1278090073 1288011732 1313266864 1353271842 1376404694 1395346043 1457369676 1477425222 1485945552 1573033936 1578817149 1594681192 1671348557 1688485968 1717348976 1754353692 1769663178 1794016341 1804362456 1932017598 1943159568 1969900296 2064607041 2105089532 2208020112 2228918328 2339138256 2359550904 2392021788 2556180146 2576023464 2706543684 2752809388 2790692086 2914739352 2954850444 3157634298 3189362384 3342697114 3508707384 3539326356 3588032682 3608724912 3834270219 3864035196 3939800592 4129214082 4186038129 4210179064 4457836656 4719101808 4736451447 4784043576 5014045671 5112360292 5152046928 5413087368 5505618776 5581384172 5829478704 5909700888 6193821123 6315268596 6685394228 7017414768 7078652712 7176065364 7668540438 7728070392 8258428164 8372076258 8420358128 8946630511 9472902894 9568087152 10028091342 10224720584 10826174736 11011237552 11162768344 11502810657 11699439899 11819401776 12387642246 12558114387 12630537192 13370788456 14157305424 14352130728 15042137013 15337080876 15456140784 16516856328 16744152516 17893261022 18945805788 20056182684 20449441168 21727531241 22325536688 23005621314 23398879798 24775284492 25116228774 25261074384 26741576912 26839891533 28704261456 30084274026 30674161752 33033712656 33488305032 35098319697 35786522044 37891611576 40112365368 43455062482 46011242628 46797759596 49550568984 50232457548 53679783066 60168548052 61348323504 65182593723 66976610064 70196639394 71573044088 75783223152 80224730736 80519674599 86910124964 92022485256 93595519192 99101137968 100464915096 105294959091 107359566132 120337096104 130365187446 140393278788 143146088176 152092718687 161039349198 173820249928 184044970512 187191038384 195547781169 200929830192 210589918182 214719132264 240674192208 260730374892 280786557576 304185437374 322078698396 347640499856 391095562338 421179836364 429438264528 456278156061 521460749784 561573115152 608370874748 644157396792 782191124676 842359672728 912556312122 1042921499568 1216741749496 1288314793584 1368834468183 1564382249352 1684719345456 1825112624244 2433483498992 2737668936366 3128764498704 3650225248488 5475337872732 7300450496976 10950675745464 21901351490928
• Sum of all divisors σ(n): 80913158726400
• Sum of proper divisors (its aliquot sum) s(n): 59011807235472
• 21901351490928 is an abundant number, because the sum of its proper divisors (59011807235472) is greater than itself. Its abundance is 37110455744544

Bases of 21901351490928

• Binary: 100111110101101001110010001101001010101110000₂
• Hexadecimal: 0x13EB4E469570
• Base-36: 7RHCB7980

Squares and roots of 21901351490928

• 21901351490928 squared (21901351490928²) is 479669197129174128466301184
• 21901351490928 cubed (21901351490928³) is 10505403685697274535890750442203891658752
• The square root of 21901351490928 is 4679887.9784593133
• The cube root of 21901351490928 is 27978.4491871531

Scales and comparisons

• 21,901,351,490,928 seconds is equal to 696,395 years, 12 weeks, 11 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,901,351,490,928 would take you about one million, seven hundred forty thousand, nine hundred eighty-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 21901351490928 cubic inches would be around 2331.5 feet tall.

Recreational maths with 21901351490928

• 21901351490928 backwards is 82909415310912
• The number of decimal digits it has is: 14
• The sum of 21901351490928's digits is 54
• More coming soon!