21402821079640

Names of 21402821079640

• Cardinal: 21402821079640 can be written as Twenty-one trillion, four hundred two billion, eight hundred twenty-one million, seventy-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.140282107964 × 10¹³

Factors of 21402821079640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1549

Divisors of 21402821079640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 44 52 55 56 65 70 77 88 91 104 110 113 121 130 140 143 154 182 220 226 242 260 280 286 308 364 385 440 452 455 457 484 520 565 572 605 616 715 728 770 791 847 904 910 914 941 968 1001 1130 1144 1210 1243 1430 1469 1540 1573 1582 1694 1820 1828 1882 2002 2260 2285 2420 2486 2860 2938 3080 3146 3164 3199 3388 3640 3656 3764 3955 4004 4235 4520 4570 4705 4840 4972 5005 5027 5720 5876 5941 6215 6292 6328 6398 6587 6776 7345 7528 7865 7910 8008 8470 8701 9140 9410 9944 10010 10054 10283 10351 11011 11752 11882 12233 12430 12584 12796 13174 13673 14690 15730 15820 15995 16159 16940 17402 18280 18820 20020 20108 20566 20702 22022 23764 24466 24860 25135 25592 26348 27346 29380 29705 31460 31640 31990 32318 32935 33880 34804 35189 37640 40040 40216 41132 41404 41587 43505 44044 47528 48932 49720 50270 51415 51641 51755 52696 54692 55055 55297 58760 59410 61165 62920 63980 64636 65351 65870 68365 69608 70378 72457 80795 82264 82808 83174 85631 87010 88088 95711 97864 100540 102830 103282 103510 106333 109384 110110 110594 113113 113861 118820 122330 127960 129272 130702 131740 134563 136730 140756 144914 161590 166348 171262 174020 175945 177749 191422 201080 205660 206564 207020 207935 212666 220220 221188 226226 227722 237640 244660 258205 261404 263480 269126 273460 276485 281512 289828 323180 326755 332696 342524 348040 351890 355498 361487 362285 382844 387079 411320 413128 414040 415870 425332 428155 430037 440440 442376 452452 455444 457457 478555 489320 516410 522808 531665 538252 546920 552970 565565 568051 569305 579656 646360 653510 671333 672815 685048 703780 710996 718861 722974 724570 744331 765688 774158 797027 831740 850664 856310 860074 888745 904904 910888 914914 941941 957110 1032820 1063330 1076504 1105940 1131130 1136102 1138610 1169663 1244243 1307020 1342666 1345630 1382329 1407560 1421992 1437722 1445948 1449140 1480193 1488662 1548316 1594054 1663480 1712620 1720148 1777490 1807435 1829828 1883882 1914220 1935395 2065640 2126660 2150185 2211880 2262260 2272204 2277220 2287285 2339326 2488486 2614040 2685332 2691260 2764658 2840255 2875444 2891896 2898280 2960386 2977324 3010259 3096632 3188108 3356665 3425240 3440296 3554980 3594305 3614870 3659656 3721655 3767764 3828440 3870790 3976357 3985135 4253320 4300370 4524520 4544408 4554440 4574570 4678652 4699331 4709705 4730407 4976972 5032027 5370664 5382520 5529316 5590481 5680510 5750888 5848315 5920772 5954648 6020518 6221215 6248561 6376216 6713330 6911645 7109960 7188610 7229740 7384663 7400965 7443310 7535528 7741580 7952714 7970270 8187641 8600740 9149140 9357304 9398662 9419410 9460814 9676303 9953944 10064054 10361351 11058632 11180962 11361020 11696630 11841544 12041036 12442430 12497122 12866293 13426660 13823290 14377220 14459480 14769326 14801930 14886620 15051295 15205619 15483160 15905428 15940540 16375282 17201480 18298280 18797324 18838820 18921628 19352606 19881785 20128108 20722702 22361924 22722040 23393260 23496655 23652035 24082072 24884860 24994244 25160135 25732586 26853320 27646580 27952405 28754440 29538652 29603860 29773240 30102590 30411238 31242805 31810856 31881080 32750564 33112849 36923315 37594648 37677640 37843256 38705212 39133367 39763570 40256216 40938205 41445404 43739927 44723848 46786520 46993310 47304070 48381515 48594181 49769720 49988488 50320270 51465172 51692641 51806755 52034477 55293160 55904810 59077304 59207720 60205180 60822476 61495291 62485610 64331465 65501128 66225698 73846630 76028095 77410424 78266734 79527140 81231293 81876410 82890808 87479854 90064051 93986620 94608140 96763030 97188362 100640540 102930344 103385282 103613510 104068954 106439333 111809620 120410360 121644952 122990582 124971220 128662930 132451396 147693260 152056190 156533468 159054280 162462586 163752820 165564245 167261809 174959708 180128102 187973240 189216280 193526060 194376724 195666835 201281080 206770564 207227020 208137908 212878666 218699635 223619240 242970905 245981164 249942440 257325860 258463205 260172385 264902792 295386520 304112380 307476455 313066936 324925172 327505640 331128490 334523618 340159267 349919416 360256204 364241339 387052120 388753448 391333670 406156465 413541128 414454040 416275816 425757332 430467037 437399270 450320255 485941810 491962328 514651720 516926410 520344770 532196665 534535991 568619051 608224760 614952910 631724353 649850344 662256980 669047236 676448201 680318534 720512408 728482678 782667340 812312930 836309045 851514664 860934074 874798540 900640510 971883620 1033852820 1040689540 1064393330 1069071982 1137238102 1170832663 1229905820 1263448706 1324513960 1338094472 1352896402 1360637068 1456965356 1565334680 1624625860 1672618090 1700796335 1721868148 1749597080 1801281020 1821206695 1943767240 2067705640 2081379080 2128786660 2138143964 2152335185 2274476204 2341665326 2459811640 2526897412 2672679955 2705792804 2721274136 2843095255 2913930712 3158621765 3249251720 3345236180 3382241005 3401592670 3443736296 3602562040 3642413390 3741751937 4257573320 4276287928 4304670370 4422070471 4548952408 4683330652 4735137407 5053794824 5345359910 5411585608 5686190510 5854163315 5879895901 6317243530 6690472360 6764482010 6803185340 6948967883 7284826780 7483503874 8609340740 8844140942 9366661304 9470274814 10690719820 11372381020 11708326630 11759791802 12634487060 13528964020 13606370680 13897935766 14569653560 14967007748 17218681480 17688281884 18708759685 18940549628 21381439640 22110352355 22744762040 23416653260 23519583604 23675687035 25268974120 27057928040 27795871532 29399479505 29934015496 34744839415 35376563768 37417519370 37881099256 41159271307 44220704710 46833306520 47039167208 47351374070 48642775181 55591743064 58798959010 69489678830 74835038740 76438646713 82318542614 88441409420 94702748140 97285550362 117597918020 138979357660 149670077480 152877293426 164637085228 176882818840 189405496280 194571100724 205796356535 235195836040 243213875905 277958715320 305754586852 329274170456 382193233565 389142201448 411592713070 486427751810 535070526991 611509173704 764386467130 823185426140 972855503620 1070141053982 1528772934260 1646370852280 1945711007240 2140282107964 2675352634955 3057545868520 4280564215928 5350705269910 10701410539820 21402821079640
• Sum of all divisors σ(n): 65937640930560
• Sum of proper divisors (its aliquot sum) s(n): 44534819850920
• 21402821079640 is an abundant number, because the sum of its proper divisors (44534819850920) is greater than itself. Its abundance is 23131998771280

Bases of 21402821079640

• Binary: 100110111011100111011100011000011001001011000₂
• Hexadecimal: 0x13773B8C3258
• Base-36: 7L4BJ2DZS

Squares and roots of 21402821079640

• 21402821079640 squared (21402821079640²) is 458080750167082335222529600
• 21402821079640 cubed (21402821079640³) is 9804220335853334256336233373123857344000
• The square root of 21402821079640 is 4626318.3072114697
• The cube root of 21402821079640 is 27764.5309086637

Scales and comparisons

• 21,402,821,079,640 seconds is equal to 680,543 years, 26 weeks, 2 days, 13 hours, 40 minutes, 40 seconds.
• To count from 1 to 21,402,821,079,640 would take you about one million, seven hundred one thousand, three 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 21402821079640 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402821079640

• 21402821079640 backwards is 04697012820412
• The number of decimal digits it has is: 14
• The sum of 21402821079640's digits is 46
• More coming soon!