21049641699840

Names of 21049641699840

• Cardinal: 21049641699840 can be written as Twenty-one trillion, forty-nine billion, six hundred forty-one million, six hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.104964169984 × 10¹³

Factors of 21049641699840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3062

Divisors of 21049641699840

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 61 64 65 72 78 80 90 96 104 117 120 122 128 130 144 156 160 180 183 192 195 208 234 240 244 256 260 288 305 312 320 360 366 384 390 416 457 468 480 488 512 520 549 576 585 610 624 640 720 732 768 780 793 832 914 915 936 960 976 1040 1098 1152 1170 1220 1248 1280 1371 1440 1464 1536 1560 1586 1664 1828 1830 1872 1920 1952 2080 2196 2285 2304 2340 2379 2440 2496 2521 2560 2742 2745 2880 2928 3120 3172 3328 3656 3660 3744 3840 3904 3965 4113 4160 4392 4570 4608 4680 4758 4880 4992 5042 5484 5490 5760 5856 5941 6240 6344 6656 6855 7137 7312 7320 7488 7563 7680 7808 7930 8226 8320 8784 9140 9360 9516 9760 9984 10084 10968 10980 11520 11712 11882 11895 12480 12605 12688 13710 14274 14624 14640 14976 15126 15616 15860 16452 16640 17568 17823 18280 18720 19032 19520 19968 20168 20565 21936 21960 22689 23040 23424 23764 23790 24960 25210 25376 27420 27877 28548 29248 29280 29705 29952 30252 31232 31720 32773 32904 33280 35136 35646 35685 36560 37440 37815 38064 39040 40336 41130 43872 43920 45378 46848 47528 47580 49920 50420 50752 53469 54840 55754 57096 58496 58560 59410 59904 60504 63440 65546 65808 70272 71292 71370 73120 74880 75630 76128 78080 80672 82260 83631 87744 87840 89115 90756 93696 95056 95160 98319 99840 100840 101504 106938 109680 111508 113445 114192 116992 117120 118820 121008 126880 131092 131616 139385 140544 142584 142740 146240 149760 151260 152256 153781 156160 161344 163865 164520 167262 175488 175680 178230 181512 190112 190320 196638 201680 203008 213876 219360 223016 226890 228384 233984 234240 237640 242016 250893 253760 262184 263232 267345 278770 281088 285168 285480 292480 294957 299520 302520 304512 307562 322688 327730 329040 334524 350976 351360 356460 362401 363024 380224 380640 393276 403360 406016 418155 427752 438720 446032 453780 456768 461343 468480 475280 484032 491595 501786 507520 524368 526464 534690 557540 570336 570960 584960 589914 605040 609024 615124 645376 655460 658080 669048 701952 702720 712920 724802 726048 760448 761280 768905 786552 806720 836310 855504 877440 892064 907560 913536 922686 950560 968064 983190 1003572 1015040 1048736 1052928 1069380 1087203 1115080 1140672 1141920 1152097 1169920 1179828 1210080 1218048 1230248 1254465 1290752 1310920 1316160 1338096 1384029 1405440 1425840 1449604 1452096 1474785 1520896 1522560 1537810 1573104 1613440 1672620 1711008 1754880 1784128 1812005 1815120 1827072 1845372 1901120 1936128 1966380 1999153 2007144 2030080 2097472 2105856 2138760 2174406 2230160 2281344 2283840 2304194 2306715 2359656 2420160 2460496 2508930 2621840 2632320 2676192 2768058 2851680 2899208 2904192 2949570 3041792 3045120 3075620 3146208 3226880 3261609 3345240 3422016 3456291 3509760 3568256 3624010 3630240 3654144 3690744 3802240 3872256 3932760 3998306 4014288 4194944 4277520 4348812 4460320 4562688 4567680 4608388 4613430 4719312 4840320 4920992 5017860 5243680 5264640 5352384 5436015 5536116 5703360 5760485 5798416 5808384 5899140 5997459 6090240 6151240 6292416 6453760 6523218 6690480 6844032 6912582 6920145 7136512 7248020 7260480 7381488 7604480 7865520 7996612 8028576 8389888 8555040 8697624 8920640 9125376 9135360 9216776 9226860 9438624 9680640 9841984 9995765 10035720 10368873 10487360 10529280 10704768 10872030 11072232 11406720 11520970 11596832 11616768 11798280 11994918 12302480 12584832 13046436 13380960 13688064 13825164 13840290 14273024 14496040 14520960 14762976 14977261 15208960 15731040 15993224 16057152 16308045 16779776 17110080 17281455 17395248 17841280 17992377 18270720 18433552 18453720 18877248 19361280 19683968 19991530 20071440 20737746 20974720 21409536 21744060 22144464 22813440 23041940 23193664 23596560 23989836 24604960 25169664 26092872 26761920 27376128 27650328 27680580 28992080 29041920 29525952 29954522 29987295 31462080 31986448 32114304 32616090 34220160 34562910 34790496 35682560 35984754 36867104 36907440 37754496 39367936 39983060 40142880 41475492 41949440 42819072 43488120 44288928 44931783 45626880 46083880 46387328 47193120 47979672 49209920 50339328 51844365 52185744 53523840 55300656 55361160 57984160 58083840 59051904 59909044 59974590 62924160 63972896 64228608 65232180 68440320 69125820 69580992 70277917 71365120 71969508 73734208 73814880 74886305 75508992 78735872 79966120 80285760 82950984 83898880 86976240 88577856 89863566 89961885 92167760 92774656 94386240 95959344 98419840 103688730 104371488 107047680 110601312 110722320 115968320 118103808 119818088 119949180 125848320 127945792 128457216 130464360 134795349 136880640 138251640 139161984 140555834 143939016 147468416 147629760 149772610 151017984 159932240 160571520 165901968 173952480 177155712 179727132 179923770 184335520 185549312 188772480 191918688 196839680 207377460 208742976 210833751 214095360 221202624 221444640 224658915 231936640 236207616 239636176 239898360 251696640 255891584 260928720 269590698 276503280 278323968 281111668 287878032 294936832 295259520 299545220 319864480 321143040 331803936 347904960 351389585 354311424 359454264 359847540 368671040 377544960 383837376 393679360 414754920 417485952 421667502 442405248 442889280 449317830 463873280 479272352 479796720 511783168 521857440 539181396 553006560 556647936 562223336 575756064 589873664 590519040 599090440 632501253 639728960 642286080 663607872 673976745 695809920 702779170 708622848 718908528 719695080 737342080 755089920 767674752 829509840 834971904 843335004 884810496 885778560 898635660 913612921 927746560 958544704 959593440 1023566336 1043714880 1054168755 1078362792 1106013120 1124446672 1151512128 1181038080 1198180880 1265002506 1279457920 1327215744 1347953490 1391619840 1405558340 1437817056 1439390160 1474684160 1535349504 1659019680 1669943808 1686670008 1769620992 1771557120 1797271320 1827225842 1917089408 1919186880 2087429760 2108337510 2156725584 2212026240 2248893344 2303024256 2396361760 2530005012 2558915840 2654431488 2695906980 2740838763 2783239680 2811116680 2875634112 2878780320 2949368320 3070699008 3162506265 3318039360 3373340016 3543114240 3594542640 3654451684 3834178816 3838373760 4174859520 4216675020 4313451168 4424052480 4497786688 4568064605 4606048512 4792723520 5060010024 5117831680 5308862976 5391813960 5481677526 5622233360 5751268224 5757560640 6325012530 6636078720 6746680032 7189085280 7308903368 7668357632 7676747520 8222516289 8349719040 8433350040 8626902336 8848104960 8995573376 9136129210 9212097024 9585447040 10120020048 10783627920 10963355052 11244466720 11502536448 11515121280 12650025060 13272157440 13493360064 13704193815 14378170560 14617806736 15353495040 16445032578 16866700080 17253804672 17991146752 18272258420 19170894080 20240040096 21567255840 21926710104 22488933440 23005072896 23030242560 25300050120 26544314880 26986720128 27408387630 28756341120 29235613472 32890065156 33733400160 34507609344 35982293504 36544516840 38341788160 40480080192 41112581445 43134511680 43853420208 44977866880 46060485120 50600100240 53973440256 54816775260 57512682240 58471226944 65780130312 67466800320 69015218688 73089033680 80960160384 82225162890 86269023360 87706840416 89955733760 101200200480 107946880512 109633550520 115025364480 116942453888 131560260624 134933600640 146178067360 161920320768 164450325780 172538046720 175413680832 179911467520 202400400960 219267101040 233884907776 263120521248 269867201280 292356134720 323840641536 328900651560 345076093440 350827361664 404800801920 438534202080 467769815552 526241042496 539734402560 584712269440 657801303120 701654723328 809601603840 877068404160 1052482084992 1169424538880 1315602606240 1403309446656 1619203207680 1754136808320 2104964169984 2338849077760 2631205212480 3508273616640 4209928339968 5262410424960 7016547233280 10524820849920 21049641699840
• Sum of all divisors σ(n): 80001940610592
• Sum of proper divisors (its aliquot sum) s(n): 58952298910752
• 21049641699840 is an abundant number, because the sum of its proper divisors (58952298910752) is greater than itself. Its abundance is 37902657210912

Bases of 21049641699840

• Binary: 100110010010100000000011010101000101000000000₂
• Hexadecimal: 0x1325006A8A00
• Base-36: 7GM2L6KG0

Squares and roots of 21049641699840

• 21049641699840 squared (21049641699840²) is 443087415691643004656025600
• 21049641699840 cubed (21049641699840³) is 9326831342017148945810107745282555904000
• The square root of 21049641699840 is 4587988.8513203691
• The cube root of 21049641699840 is 27610.9639716987

Scales and comparisons

• 21,049,641,699,840 seconds is equal to 669,313 years, 25 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 21,049,641,699,840 would take you about one million, six hundred seventy-three thousand, two hundred eighty-three 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 21049641699840 cubic inches would be around 2300.9 feet tall.

Recreational maths with 21049641699840

• 21049641699840 backwards is 04899614694012
• The number of decimal digits it has is: 14
• The sum of 21049641699840's digits is 63
• More coming soon!