21347742283920

Names of 21347742283920

• Cardinal: 21347742283920 can be written as Twenty-one trillion, three hundred forty-seven billion, seven hundred forty-two million, two hundred eighty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.134774228392 × 10¹³

Factors of 21347742283920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 493

Divisors of 21347742283920

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 97 104 117 120 130 144 156 169 180 194 195 208 234 240 260 291 312 338 360 373 388 390 468 485 507 520 582 585 624 676 720 746 776 780 845 873 936 970 1014 1040 1119 1164 1170 1261 1352 1455 1492 1521 1552 1560 1690 1746 1865 1872 1940 2028 2197 2238 2328 2340 2522 2535 2704 2910 2984 3042 3120 3357 3380 3492 3730 3783 3880 4056 4365 4394 4476 4656 4680 4849 5044 5070 5595 5820 5968 6084 6305 6591 6714 6760 6984 7460 7566 7605 7760 8112 8730 8788 8952 9360 9698 10088 10140 10985 11190 11349 11640 12168 12610 13182 13428 13520 13968 14547 14920 15132 15210 16393 16785 17460 17576 17904 18915 19396 19773 20176 20280 21970 22380 22698 23280 24245 24336 25220 26364 26856 29094 29840 30264 30420 32786 32955 33570 34920 35152 36181 37830 38792 39546 40560 43641 43940 44760 45396 48490 49179 50440 52728 53712 56745 58188 60528 60840 63037 65572 65910 67140 69840 72362 72735 75660 77584 79092 81965 87282 87880 89520 90792 96980 98358 98865 100880 105456 108543 113490 116376 121680 126074 131144 131820 134280 139129 144724 145470 147537 151320 158184 163930 174564 175760 180905 181584 189111 193960 196716 197730 213109 217086 218205 226980 232752 245895 252148 262288 263640 268560 278258 289448 290940 295074 302640 315185 316368 325629 327860 349128 361810 378222 387920 393432 395460 417387 426218 434172 436410 453960 470353 491790 504296 527280 542715 556516 567333 578896 581880 590148 630370 639327 651258 655720 695645 698256 723620 737685 756444 786864 790920 819481 834774 852436 868344 872820 907920 940706 945555 983580 1008592 1065545 1085430 1113032 1134666 1163760 1180296 1252161 1260740 1278654 1302516 1311440 1391290 1411059 1447240 1475370 1512888 1581840 1628145 1638962 1669548 1704872 1736688 1745640 1808677 1881412 1891110 1917981 1967160 2086935 2131090 2170860 2226064 2269332 2351765 2360592 2458443 2504322 2521480 2557308 2605032 2782580 2822118 2836665 2894480 2950740 3025776 3196635 3256290 3277924 3339096 3409744 3491280 3617354 3762824 3782220 3835962 3934320 4097405 4173870 4233177 4262180 4341720 4538664 4703530 4916886 5008644 5042960 5114616 5210064 5426031 5565160 5644236 5673330 5901480 6114589 6260805 6393270 6512580 6555848 6678192 7055295 7234708 7375329 7525648 7564440 7671924 8194810 8347740 8466354 8524360 8683440 9043385 9077328 9407060 9589905 9833772 10017288 10229232 10852062 11130320 11288472 11346660 11802960 12229178 12292215 12521610 12786540 13025160 13111696 13495513 14110590 14469416 14750658 15128880 15343848 16278093 16389620 16695480 16932708 17048720 18086770 18343767 18814120 19179810 19667544 20034576 21165885 21704124 22576944 22693320 23512801 24458356 24584430 25043220 25573080 26050320 26991026 27130155 28221180 28938832 29501316 30572945 30687696 32556186 32779240 33390960 33865416 36173540 36687534 36876645 37628240 38359620 39335088 40486539 42331770 43408248 45386640 47025602 48916712 49168860 50086440 51146160 53982052 54260310 55031301 56442360 59002632 61145890 65112372 65558480 67477565 67730832 70538403 72347080 73375068 73753290 76719240 79489657 80973078 81390465 84663540 86816496 91718835 94051204 97833424 98337720 100172880 107964104 108520620 110062602 112884720 117564005 118005264 121459617 122291780 130224744 134955130 141076806 144694160 146750136 147506580 153438480 158979314 161946156 162780930 169327080 175441669 183437670 188102408 196675440 202432695 211615209 215928208 217041240 220125204 235128010 238468971 242919234 244583560 260449488 269910260 275156505 282153612 293500272 295013160 305666413 317958628 323892312 325561860 338654160 350883338 352692015 366875340 376204816 397448285 404865390 423230418 434082480 440250408 470256020 476937942 485838468 489167120 526325007 539820520 550313010 564307224 590026320 607298085 611332826 635917256 647784624 651123720 701766676 705384030 715406913 733750680 794896570 809730780 846460836 877208345 880500816 916999239 940512040 953875884 971676936 1052650014 1058076045 1079641040 1100626020 1128614448 1192344855 1214596170 1222665652 1271834512 1302247440 1403533352 1410768060 1430813826 1467501360 1528332065 1578975021 1589793140 1619461560 1692921672 1754416690 1833998478 1881024080 1907751768 1943353872 2105300028 2116152090 2201252040 2280741697 2384689710 2429192340 2445331304 2631625035 2750997717 2807066704 2821536120 2861627652 3056664130 3157950042 3179586280 3238923120 3385843344 3508833380 3577034565 3667996956 3815503536 4210600056 4232304180 4402504080 4561483394 4584996195 4769379420 4858384680 4890662608 5263250070 5501995434 5643072240 5723255304 6113328260 6315900084 6359172560 6842225091 7017666760 7154069130 7335993912 7894875105 8421200112 8464608360 9122966788 9169992390 9538758840 9716769360 10526500140 11003990868 11403708485 11446510608 12226656520 12631800168 13684450182 13754988585 14035333520 14308138260 14671987824 15789750210 16929216720 18245933576 18339984780 19077517680 20526675273 21053000280 22007981736 22807416970 24453313040 25263600336 27368900364 27509977170 28616276520 29649642061 31579500420 34211125455 36491867152 36679969560 41053350546 42106000560 44015963472 45614833940 54737800728 55019954340 57232553040 59299284122 63159000840 68422250910 73359939120 82106701092 88948926183 91229667880 102633376365 109475601456 110039908680 118598568244 126318001680 136844501820 148248210305 164213402184 177897852366 182459335760 205266752730 220079817360 237197136488 266846778549 273689003640 296496420610 328426804368 355795704732 410533505460 444744630915 474394272976 533693557098 547378007280 592992841220 711591409464 821067010920 889489261830 1067387114196 1185985682440 1334233892745 1423182818928 1642134021840 1778978523660 2134774228392 2371971364880 2668467785490 3557957047320 4269548456784 5336935570980 7115914094640 10673871141960 21347742283920
• Sum of all divisors σ(n): 78676109562960
• Sum of proper divisors (its aliquot sum) s(n): 57328367279040
• 21347742283920 is an abundant number, because the sum of its proper divisors (57328367279040) is greater than itself. Its abundance is 35980624995120

Bases of 21347742283920

• Binary: 100110110101001101000100110000111100010010000₂
• Hexadecimal: 0x136A68987890
• Base-36: 7KF0MKN80

Squares and roots of 21347742283920

• 21347742283920 squared (21347742283920²) is 455726100620665897890566400
• 21347742283920 cubed (21347742283920³) is 9728723348105769944585617470158412288000
• The square root of 21347742283920 is 4620361.7048798247
• The cube root of 21347742283920 is 27740.6936989631

Scales and comparisons

• 21,347,742,283,920 seconds is equal to 678,792 years, 8 weeks, 6 days, 12 hours, 12 minutes.
• To count from 1 to 21,347,742,283,920 would take you about one million, six hundred ninety-six thousand, nine hundred eighty 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 21347742283920 cubic inches would be around 2311.7 feet tall.

Recreational maths with 21347742283920

• 21347742283920 backwards is 02938224774312
• The number of decimal digits it has is: 14
• The sum of 21347742283920's digits is 54
• More coming soon!