21049505841728

Names of 21049505841728

• Cardinal: 21049505841728 can be written as Twenty-one trillion, forty-nine billion, five hundred five million, eight hundred forty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1049505841728 × 10¹³

Factors of 21049505841728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 159

Divisors of 21049505841728

• Number of divisors d(n): 1260
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 19 26 28 32 34 38 49 52 56 64 68 76 91 98 101 104 112 119 133 136 152 182 196 202 208 221 224 238 247 266 272 289 304 323 343 361 364 392 404 416 442 448 476 494 532 544 578 608 637 646 686 707 722 728 784 808 832 833 884 931 952 988 1064 1088 1156 1216 1274 1292 1313 1372 1414 1444 1456 1547 1568 1616 1666 1717 1729 1768 1862 1904 1919 1976 2023 2128 2261 2312 2401 2527 2548 2584 2626 2744 2828 2888 2912 3094 3136 3232 3332 3434 3458 3536 3724 3757 3808 3838 3952 4046 4199 4256 4459 4522 4624 4693 4802 4949 5054 5096 5168 5252 5488 5491 5656 5776 5824 5831 6137 6188 6464 6517 6664 6868 6916 7072 7448 7514 7616 7676 7904 8092 8398 8512 8918 9044 9191 9248 9386 9604 9898 10108 10192 10336 10504 10829 10976 10982 11312 11552 11662 12019 12103 12274 12376 13034 13328 13433 13736 13832 14144 14161 14896 15028 15352 15808 15827 16184 16796 17689 17836 18088 18382 18496 18772 19208 19796 20216 20384 20672 21008 21658 21952 21964 22321 22624 23104 23324 24038 24206 24548 24752 24947 26068 26299 26656 26866 27472 27664 28322 29189 29393 29792 30056 30704 31213 31654 32368 32623 32851 33592 34643 35378 35672 36176 36461 36764 37544 38416 38437 39592 40432 40768 40817 42016 42959 43316 43928 44642 45248 45619 46648 48076 48412 49096 49504 49894 52136 52598 53312 53732 54944 55328 56644 58378 58786 59584 60112 61408 62426 63308 64337 64736 65246 65702 67184 69286 70756 71344 71383 72352 72922 73528 75088 75803 76832 76874 79184 79781 80864 81634 84032 84133 84721 85918 86632 87856 89284 91238 93296 94031 96152 96824 98192 99008 99127 99788 104272 104329 105196 107464 109888 110656 110789 113288 116756 117572 120224 122816 123823 124852 126616 128674 129472 130492 131404 134368 138572 141512 142688 142766 144704 145844 147056 150176 151606 153664 153748 156247 158368 159562 161728 163268 168266 169442 171836 173264 174629 175712 178568 182476 184093 186592 188062 192304 193648 196384 198254 199576 204323 205751 208544 208658 210392 214928 221578 226576 228361 229957 233512 235144 240448 242501 247646 249704 253232 255227 257348 260984 262808 268736 269059 277144 283024 285376 285532 291688 294112 300352 300713 303212 307496 312494 316736 319124 326536 336532 338884 343672 346528 349258 351424 357136 364952 368186 373184 376124 379457 384608 387296 392768 396508 399152 408646 411502 417088 417316 420784 424099 429856 443156 450359 453152 456722 459914 467024 470288 473993 485002 495292 499408 499681 506464 510454 514696 521968 525616 530621 538118 554288 554591 558467 566048 571064 583376 588224 588931 593047 601426 606424 614992 619837 624988 638248 653072 658217 673064 677768 687344 693056 693889 698516 714272 729904 730303 736372 752248 758914 769216 774592 775523 793016 798304 817292 823004 834632 841568 848198 859712 866761 886312 900718 906304 913444 919828 934048 940576 947986 970004 990584 998816 999362 1012928 1020908 1029392 1043936 1051232 1061242 1076236 1093729 1108576 1109182 1116934 1132096 1142128 1166752 1177862 1186094 1202852 1212848 1222403 1229984 1239674 1249976 1276496 1288651 1306144 1316434 1346128 1355536 1356277 1374688 1387778 1397032 1428544 1430261 1440257 1459808 1460606 1472744 1504496 1517828 1551046 1586032 1596608 1598527 1609699 1634584 1646008 1669264 1683136 1696396 1733522 1772624 1786589 1801436 1826888 1839656 1868096 1881152 1883413 1895972 1940008 1981168 1997632 1998724 2041816 2058784 2087872 2102464 2104991 2122484 2152472 2187458 2217152 2218364 2233868 2284256 2333504 2355724 2372188 2405704 2425696 2444806 2459968 2479348 2499952 2552992 2577302 2612288 2632868 2656199 2692256 2711072 2712554 2749376 2775556 2794064 2860522 2880514 2919616 2921212 2945488 2968693 3008992 3035656 3102092 3152513 3172064 3197054 3219398 3269168 3292016 3317951 3338528 3392792 3467044 3497767 3545248 3573178 3602872 3653776 3679312 3766826 3791944 3880016 3882137 3909269 3962336 3997448 4083632 4117568 4122517 4209982 4244968 4304944 4338859 4374916 4436728 4467736 4568512 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235758992 239590988 242976104 244995296 248456768 250193216 250493929 257852192 260307502 263841088 265830292 273818272 273967954 277686976 280331156 286278776 288657824 290931914 294881216 295042412 297494288 303806048 313311292 320378464 322617568 325159198 327175744 332493616 337191328 342781166 350171444 353274467 358070048 360572576 371610512 380449426 383108362 391749904 394836169 400195936 403742248 421884512 425208182 428741768 434799344 437838128 451241336 461419712 465203011 471517984 479181976 485952208 489990592 500987858 515704384 516324221 520615004 531660584 547636544 547935908 560662312 572557552 577315648 581863828 590084824 594988576 607612096 626622584 640756928 645235136 650318396 664987232 674382656 685562332 700342888 706548934 716140096 721145152 743221024 760898852 766216724 783499808 789672338 800391872 807484496 843769024 850416364 857483536 869598688 875676256 902482672 911076257 930406022 943035968 958363952 958887839 971904416 1001975716 1018261699 1032648442 1041230008 1063321168 1095871816 1121324624 1138057193 1145115104 1163727656 1180169648 1189977152 1253245168 1300636792 1329974464 1331572991 1371124664 1400685776 1413097868 1486442048 1488228637 1521797704 1532433448 1566999616 1579344676 1614968992 1700832728 1714967072 1739197376 1751352512 1804965344 1822152514 1860812044 1916727904 1917775678 1943808832 2003951432 2036523398 2065296884 2082460016 2126642336 2191743632 2242649248 2276114386 2290230208 2327455312 2360339296 2472921269 2506490336 2601273584 2663145982 2742249328 2763853183 2801371552 2826195736 2976457274 3043595408 3064866896 3158689352 3229937984 3256421077 3401665456 3429934144 3609930688 3614269547 3644305028 3721624088 3833455808 3835551356 4007902864 4073046796 4130593768 4164920032 4253284672 4383487264 4485298496 4552228772 4654910624 4720678592 4945842538 5012980672 5202547168 5326291964 5484498656 5527706366 5602743104 5652391472 5952914548 6087190816 6129733792 6317378704 6512842154 6712214873 6803330912 7228539094 7288610056 7443248176 7671102712 8015805728 8146093592 8261187536 8329840064 8766974528 9104457544 9309821248 9891685076 10405094336 10652583928 10968997312 11055412732 11304782944 11905829096 12174381632 12259467584 12634757408 13025684308 13424429746 13606661824 14457078188 14577220112 14886496352 15342205424 16031611456 16292187184 16522375072 17310448883 18208915088 19346972281 19783370152 21305167856 22110825464 22609565888 23811658192 25269514816 25299886829 26051368616 26848859492 28914156376 29154440224 29772992704 30684410848 32584374368 33044750144 34620897766 36417830176 38693944562 39566740304 42610335712 44221650928 46985504111 47623316384 50599773658 52102737232 53697718984 57828312752 58308880448 61368821696 65168748736 69241795532 72835660352 77387889124 79133480608 85220671424 88443301856 93971008222 95246632768 101199547316 104205474464 107395437968 115656625504 138483591064 154775778248 158266961216 176886603712 187942016444 202399094632 208410948928 214790875936 231313251008 276967182128 309551556496 328898528777 375884032888 404798189264 429581751872 553934364256 619103112992 657797057554 751768065776 809596378528 1107868728512 1238206225984 1315594115108 1503536131552 1619192757056 2631188230216 3007072263104 5262376460432 10524752920864 21049505841728
• Sum of all divisors σ(n): 59416680972852
• Sum of proper divisors (its aliquot sum) s(n): 38367175131124
• 21049505841728 is an abundant number, because the sum of its proper divisors (38367175131124) is greater than itself. Its abundance is 17317669289396

Bases of 21049505841728

• Binary: 100110010010011111000010100011000001001000000₂
• Hexadecimal: 0x1324F8518240
• Base-36: 7GM0CANNK

Squares and roots of 21049505841728

• 21049505841728 squared (21049505841728²) is 443081696180941197786025984
• 21049505841728 cubed (21049505841728³) is 9326650752123472610494215410373999460352
• The square root of 21049505841728 is 4587974.0454505625
• The cube root of 21049505841728 is 27610.9045695553

Scales and comparisons

• 21,049,505,841,728 seconds is equal to 669,309 years, 9 weeks, 20 hours, 2 minutes, 8 seconds.
• To count from 1 to 21,049,505,841,728 would take you about one million, six hundred seventy-three thousand, two hundred seventy-two 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 21049505841728 cubic inches would be around 2300.9 feet tall.

Recreational maths with 21049505841728

• 21049505841728 backwards is 82714850594012
• 21049505841728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21049505841728's digits is 56
• More coming soon!