21345875677437440

Names of 21345875677437440

• Cardinal: 21345875677437440 can be written as Twenty-one quadrillion, three hundred forty-five trillion, eight hundred seventy-five billion, six hundred seventy-seven million, four hundred thirty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.134587567743744 × 10¹⁶

Factors of 21345875677437440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 711

Divisors of 21345875677437440

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 41 64 76 80 82 95 128 152 160 164 190 205 256 304 307 320 328 337 380 410 512 608 614 640 656 674 760 779 820 1216 1228 1280 1312 1348 1520 1535 1558 1640 1685 2432 2456 2560 2624 2696 3040 3070 3116 3280 3370 3895 4864 4912 5248 5392 5833 6080 6140 6232 6403 6560 6740 7790 9728 9824 10496 10784 11666 12160 12280 12464 12587 12806 13120 13480 13817 15580 19648 20992 21568 23332 24320 24560 24928 25174 25612 26240 26960 27634 29165 31160 32015 39296 43136 46664 48640 49120 49856 50348 51224 52480 53920 55268 58330 62320 62935 64030 69085 78592 86272 93328 94249 98240 99712 100696 102448 103459 104960 107840 110536 113569 116660 124640 125870 128060 138170 157184 172544 186656 188498 196480 199424 201392 204896 206918 215680 221072 227138 233320 239153 249280 251740 256120 262523 276340 373312 376996 392960 398848 402784 409792 413836 431360 442144 454276 466640 471245 478306 498560 503480 512240 517295 525046 552680 567845 746624 753992 785920 805568 819584 827672 862720 884288 908552 933280 942490 956612 997120 1006960 1024480 1034590 1050092 1105360 1135690 1195765 1312615 1493248 1507984 1611136 1639168 1655344 1768576 1790731 1817104 1866560 1884980 1913224 1965721 1994240 2013920 2048960 2069180 2100184 2157811 2210720 2271380 2391530 2625230 2986496 3015968 3222272 3278336 3310688 3537152 3581462 3634208 3733120 3769960 3826448 3864209 3931442 4027840 4097920 4138360 4200368 4241819 4315622 4421440 4542760 4656329 4783060 5250460 6031936 6444544 6621376 7074304 7162924 7268416 7466240 7539920 7652896 7728418 7862884 8055680 8195840 8276720 8400736 8483638 8631244 8842880 8953655 9085520 9312658 9566120 9828605 10500920 10789055 12063872 13242752 14325848 14536832 14932480 15079840 15305792 15456836 15725768 16111360 16391680 16553440 16801472 16967276 17262488 17685760 17907310 18171040 18625316 19132240 19321045 19657210 21001840 21209095 21578110 23281645 24127744 26485504 28651696 29073664 30159680 30611584 30913672 31451536 31761913 32222720 33106880 33602944 33934552 34524976 34865683 35371520 35814620 36342080 37250632 38264480 38642090 39314420 42003680 42418190 43156220 46563290 48255488 52971008 57303392 58147328 60319360 61223168 61827344 62903072 63523826 66213760 67205888 67869104 69049952 69731366 71629240 72684160 73419971 74501264 76528960 77284180 78628840 80594561 84007360 84836380 86312440 88470251 93126580 114606784 120638720 122446336 123654688 125806144 127047652 132427520 134411776 135738208 138099904 139462732 143258480 145368320 146839942 149002528 153057920 154568360 157257680 158809565 161189122 168014720 169672760 172624880 174328415 176940502 186253160 229213568 241277440 247309376 251612288 254095304 264855040 271476416 276199808 278925464 286516960 290736640 293679884 298005056 306115840 309136720 314515360 317619130 322378244 336029440 339345520 345249760 348656830 353881004 367099855 372506320 402972805 442351255 458427136 494618752 503224576 508190608 542952832 552399616 557850928 573033920 587359768 596010112 603476347 612231680 618273440 629030720 635238260 644756488 662447977 672058880 678691040 690499520 697313660 707762008 734199710 745012640 805945610 884702510 916854272 989237504 1006449152 1016381216 1085905664 1104799232 1115701856 1146067840 1174719536 1192020224 1206952694 1236546880 1258061440 1270476520 1289512976 1302238433 1324895954 1357382080 1380999040 1394627320 1415524016 1429493003 1468399420 1490025280 1611891220 1769405020 1978475008 2032762432 2171811328 2231403712 2292135680 2349439072 2384040448 2413905388 2473093760 2516122880 2540953040 2579025952 2604476866 2649791908 2714764160 2761998080 2789254640 2831048032 2858986006 2936798840 2980050560 3017381735 3223782440 3312239885 3538810040 4065524864 4462807424 4584271360 4698878144 4827810776 4946187520 5032245760 5081906080 5158051904 5208953732 5299583816 5429528320 5523996160 5578509280 5662096064 5717972012 5873597680 5960101120 6034763470 6447564880 6511192165 6624479770 7077620080 7147465015 8131049728 8925614848 9397756288 9655621552 9892375040 10163812160 10316103808 10417907464 10599167632 10703764681 10859056640 11157018560 11324192128 11435944024 11747195360 11920202240 12069526940 12895129760 13022384330 13248959540 14155240160 14294930030 16262099456 17851229696 18795512576 19311243104 20327624320 20632207616 20835814928 21198335264 21407529362 22314037120 22648384256 22871888048 23494390720 24139053880 24742530227 25790259520 26044768660 26497919080 27160367057 28310480320 28589860060 37591025152 38622486208 40655248640 41264415232 41671629856 42396670528 42815058724 44628074240 45296768512 45743776096 46988781440 48278107760 49485060454 51580519040 52089537320 52995838160 53518823405 54320734114 56620960640 57179720120 77244972416 81310497280 83343259712 84793341056 85630117448 89256148480 91487552192 93977562880 96556215520 98970120908 103161038080 104179074640 105991676320 107037646810 108641468228 113241921280 114359440240 123712651135 135801835285 154489944832 166686519424 169586682112 171260234896 182975104384 187955125760 193112431040 197940241816 203371528939 206322076160 208358149280 211983352640 214075293620 217282936456 226483842560 228718880480 247425302270 271603670570 308979889664 333373038848 339173364224 342520469792 365950208768 386224862080 395880483632 406743057878 416716298560 423966705280 428150587240 434565872912 438854351921 457437760960 494850604540 543207341140 666746077696 685040939584 731900417536 772449724160 791760967264 813486115756 833432597120 847933410560 856301174480 869131745824 877708703842 914875521920 989701209080 1016857644695 1086414682280 1370081879168 1544899448320 1583521934528 1626972231512 1666865194240 1695866821120 1712602348960 1738263491648 1755417407684 1829751043840 1979402418160 2033715289390 2172829364560 2194271759605 2740163758336 3167043869056 3253944463024 3333730388480 3425204697920 3476526983296 3510834815368 3659502087680 3958804836320 4067430578780 4345658729120 4388543519210 5480327516672 6334087738112 6507888926048 6850409395840 6953053966592 7021669630736 7917609672640 8134861157560 8338232686499 8691317458240 8777087038420 12668175476224 13015777852096 13700818791680 13906107933184 14043339261472 15835219345280 16269722315120 16676465372998 17382634916480 17554174076840 26031555704192 27401637583360 28086678522944 31670438690560 32539444630240 33352930745996 34765269832960 35108348153680 41691163432495 52063111408384 56173357045888 63340877381120 65078889260480 66705861491992 69530539665920 70216696307360 83382326864990 104126222816768 112346714091776 130157778520960 133411722983984 140433392614720 166764653729980 224693428183552 260315557041920 266823445967968 280866785229440 333529307459960 520631114083840 533646891935936 561733570458880 667058614919920 1067293783871872 1123467140917760 1334117229839840 2134587567743744 2668234459679680 4269175135487488 5336468919359360 10672937838718720 21345875677437440
• Sum of all divisors σ(n): 55532889193708080
• Sum of proper divisors (its aliquot sum) s(n): 34187013516270640
• 21345875677437440 is an abundant number, because the sum of its proper divisors (34187013516270640) is greater than itself. Its abundance is 12841137838833200

Bases of 21345875677437440

• Binary: 1001011110101011111010111111001001011000101111000000000₂
• Hexadecimal: 0x4BD5F5F92C5E00
• Base-36: 5U6HBWS62GW

Squares and roots of 21345875677437440

• 21345875677437440 squared (21345875677437440²) is 455646408436615288041485113753600
• 21345875677437440 cubed (21345875677437440³) is 9726171587358871838117599048231415659347574784000
• The square root of 21345875677437440 is 146102278.1391085633
• The cube root of 21345875677437440 is 277398.8514401487

Scales and comparisons

• 21,345,875,677,437,440 seconds is equal to 678,732,819 years, 21 weeks, 3 days, 15 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,345,875,677,437,440 would take you about two billion, thirty-six million, one hundred ninety-eight thousand, four hundred fifty-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 21345875677437440 cubic inches would be around 23116.6 feet tall.

Recreational maths with 21345875677437440

• 21345875677437440 backwards is 04473477657854312
• The number of decimal digits it has is: 17
• The sum of 21345875677437440's digits is 77
• More coming soon!