20211516915840

Names of 20211516915840

• Cardinal: 20211516915840 can be written as Twenty trillion, two hundred eleven billion, five hundred sixteen million, nine hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.021151691584 × 10¹³

Factors of 20211516915840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1542

Divisors of 20211516915840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 128 144 155 160 180 186 192 240 248 279 288 310 320 331 360 372 384 465 480 496 558 569 576 601 620 640 662 720 744 930 960 992 993 1116 1138 1152 1202 1240 1324 1395 1440 1488 1655 1707 1803 1860 1920 1984 1986 2232 2276 2404 2480 2648 2790 2845 2880 2976 2979 3005 3310 3414 3606 3720 3968 3972 4464 4552 4808 4960 4965 5121 5296 5409 5580 5690 5760 5952 5958 6010 6620 6828 7212 7440 7944 8535 8928 9015 9104 9616 9920 9930 10242 10261 10592 10818 11160 11380 11904 11916 12020 13240 13656 14424 14880 14895 15888 17070 17639 17856 18030 18208 18631 19232 19840 19860 20484 20522 21184 21636 22320 22760 23832 24040 25605 26480 27045 27312 28848 29760 29790 30783 31776 34140 35278 35712 36060 36416 37262 38464 39720 40968 41044 42368 43272 44640 45520 47664 48080 51210 51305 52917 52960 54090 54624 55893 57696 59520 59580 61566 63552 68280 70556 72120 72832 74524 76928 79440 81936 82088 86544 88195 89280 91040 92349 93155 95328 96160 102420 102610 105834 105920 108180 109248 111786 115392 119160 123132 127104 136560 141112 144240 149048 153915 158751 158880 163872 164176 167679 173088 176390 178560 182080 184698 186310 188339 190656 192320 198931 204840 205220 211668 211840 216360 218496 223572 230784 238320 246264 264585 273120 279465 282224 288480 298096 307830 317502 317760 327744 328352 335358 341969 346176 352780 364160 369396 372620 376678 381312 384640 397862 409680 410440 423336 432720 447144 461745 476640 492528 529170 546240 558930 564448 565017 576960 596192 596793 615660 635004 635520 655488 656704 670716 683938 692352 705560 738792 745240 753356 793755 795724 819360 820880 838395 846672 865440 894288 923490 941695 953280 985056 994655 1025907 1058340 1092480 1117860 1128896 1130034 1153920 1192384 1193586 1231320 1270008 1313408 1341432 1367876 1411120 1477584 1490480 1506712 1587510 1591448 1638720 1641760 1676790 1693344 1695051 1709845 1730880 1788576 1790379 1846980 1883390 1906560 1970112 1989310 2051814 2116680 2235720 2257792 2260068 2384768 2387172 2462640 2540016 2682864 2735752 2822240 2825085 2955168 2980960 2983965 3013424 3077721 3175020 3182896 3277440 3283520 3353580 3386688 3390102 3419690 3461760 3577152 3580758 3693960 3766780 3940224 3978620 4103628 4233360 4471440 4520136 4774344 4925280 5080032 5129535 5365728 5471504 5644480 5650170 5838509 5910336 5961920 5967930 6026848 6155442 6166861 6350040 6365792 6567040 6707160 6773376 6780204 6839380 7154304 7161516 7387920 7533560 7957240 8207256 8466720 8475255 8942880 8951895 9040272 9548688 9850560 10160064 10259070 10601039 10731456 10943008 11288960 11300340 11677018 11820672 11923840 11935860 12053696 12310884 12333722 12700080 12731584 13414320 13560408 13678760 14323032 14775840 15067120 15388605 15914480 16414512 16933440 16950510 17515527 17885760 17903790 18080544 18500583 19097376 19701120 20320128 20518140 21202078 21462912 21886016 22600680 23354036 23871720 24107392 24621768 24667444 25400160 25463168 26828640 27120816 27357520 28646064 29192545 29551680 30134240 30777210 30834305 31803117 31828960 32829024 33866880 33901020 35031054 35771520 35807580 36161088 37001166 38194752 41036280 42404156 43772032 45201360 46708072 47743440 49243536 49334888 50800320 52546581 53005195 53657280 54241632 54715040 55501749 57292128 58385090 59103360 60268480 61554420 61668610 63606234 63657920 65658048 67802040 70062108 71615160 72322176 74002332 76389504 82072560 84808312 87577635 90402720 92502915 93416144 95409351 95486880 98487072 98669776 101600640 105093162 106010390 107314560 108483264 109430080 111003498 113191739 114584256 116770180 120536960 123108840 123337220 127212468 127315840 131316096 135604080 140124216 143230320 148004664 159015585 164145120 169616624 175155270 180805440 185005830 186832288 190818702 190973760 196974144 197339552 210186324 212020780 216966528 218860160 222006996 226383478 229168512 233540360 246217680 246674440 254424936 262732905 271208160 277508745 280248432 286460640 296009328 318031170 328290240 339233248 339575217 350310540 361610880 370011660 373664576 381637404 381947520 393948288 394679104 420372648 424041560 444013992 452766956 467080720 477046755 492435360 493348880 508849872 525465810 542416320 555017490 560496864 565958695 572921280 592018656 636062340 656580480 678466496 679150434 700621080 740023320 747329152 763274808 789358208 840745296 848083120 888027984 905533912 934161440 954093510 984870720 986697760 1017699744 1018725651 1050931620 1084832640 1110034980 1120993728 1131917390 1145842560 1184037312 1272124680 1356932992 1358300868 1401242160 1480046640 1526549616 1681490592 1696166240 1697876085 1776055968 1811067824 1868322880 1908187020 1969741440 1973395520 2035399488 2037451302 2101863240 2220069960 2241987456 2263834780 2368074624 2544249360 2716601736 2802484320 2960093280 3053099232 3362981184 3392332480 3395752170 3508943909 3552111936 3622135648 3736645760 3816374040 3946791040 4070798976 4074902604 4203726480 4440139920 4527669560 5088498720 5093628255 5433203472 5604968640 5920186560 6106198464 6725962368 6784664960 6791504340 7017887818 7104223872 7244271296 7632748080 8149805208 8407452960 8880279840 9055339120 10176997440 10187256510 10526831727 10866406944 11209937280 11840373120 12212396928 13583008680 14035775636 14488542592 15265496160 16299610416 16814905920 17544719545 17760559680 18110678240 20353994880 20374513020 21053663454 21732813888 27166017360 28071551272 30530992320 31580495181 32599220832 33629811840 35089439090 35521119360 36221356480 40749026040 42107326908 43465627776 52634158635 54332034720 56143102544 61061984640 63160990362 65198441664 70178878180 72442712960 81498052080 84214653816 105268317270 108664069440 112286205088 126321980724 130396883328 140357756360 157902475905 162996104160 168429307632 210536634540 217328138880 224572410176 252643961448 280715512720 315804951810 325992208320 336858615264 421073269080 449144820352 505287922896 561431025440 631609903620 651984416640 673717230528 842146538160 1010575845792 1122862050880 1263219807240 1347434461056 1684293076320 2021151691584 2245724101760 2526439614480 3368586152640 4042303383168 5052879228960 6737172305280 10105758457920 20211516915840
• Sum of all divisors σ(n): 72509380070400
• Sum of proper divisors (its aliquot sum) s(n): 52297863154560
• 20211516915840 is an abundant number, because the sum of its proper divisors (52297863154560) is greater than itself. Its abundance is 32086346238720

Bases of 20211516915840

• Binary: 100100110000111011100010010010100000010000000₂
• Hexadecimal: 0x1261DC494080
• Base-36: 75X1JBQ80

Squares and roots of 20211516915840

• 20211516915840 squared (20211516915840²) is 408505416039286465642905600
• 20211516915840 cubed (20211516915840³) is 8256514126490295254345153515288264704000
• The square root of 20211516915840 is 4495722.0683489765
• The cube root of 20211516915840 is 27239.5316705497

Scales and comparisons

• 20,211,516,915,840 seconds is equal to 642,663 years, 37 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 20,211,516,915,840 would take you about one million, six hundred six thousand, six hundred fifty-nine 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 20211516915840 cubic inches would be around 2270 feet tall.

Recreational maths with 20211516915840

• 20211516915840 backwards is 04851961511202
• 20211516915840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20211516915840's digits is 45
• More coming soon!