21398974790760

Names of 21398974790760

• Cardinal: 21398974790760 can be written as Twenty-one trillion, three hundred ninety-eight billion, nine hundred seventy-four million, seven hundred ninety thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.139897479076 × 10¹³

Factors of 21398974790760

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 42796

Divisors of 21398974790760

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 29 30 35 36 40 42 45 49 54 56 58 60 63 70 72 81 84 87 90 98 105 108 109 116 120 126 135 140 145 147 162 168 174 180 189 196 203 210 216 218 232 245 252 261 270 280 290 294 315 324 327 348 360 378 392 405 406 420 435 436 441 490 504 522 540 545 567 580 588 609 630 648 654 696 735 756 763 783 810 812 840 870 872 882 945 980 981 1015 1044 1080 1090 1134 1160 1176 1218 1260 1305 1308 1323 1421 1470 1512 1526 1566 1620 1624 1635 1740 1764 1827 1890 1960 1962 2030 2088 2180 2205 2268 2289 2349 2436 2520 2610 2616 2646 2835 2842 2940 2943 3045 3052 3132 3161 3240 3270 3480 3528 3654 3780 3815 3915 3924 3969 4060 4263 4360 4410 4536 4578 4698 4872 4905 5220 5292 5341 5481 5670 5684 5880 5886 6090 6104 6264 6322 6540 6615 6867 7105 7308 7560 7630 7830 7848 7938 8120 8526 8820 8829 9135 9156 9396 9483 9810 10440 10584 10682 10962 11340 11368 11445 11745 11772 12180 12644 12789 13080 13230 13734 14210 14616 14715 15260 15660 15805 15876 16023 16443 17052 17640 17658 18270 18312 18792 18966 19620 19845 20601 21315 21364 21924 22127 22680 22890 23490 23544 24360 25288 25578 26460 26705 27405 27468 28420 28449 29430 30520 31320 31610 31752 32046 32886 34104 34335 35316 36540 37932 38367 39240 39690 41202 42630 42641 42728 43848 44145 44254 45780 46980 47415 48069 51156 52920 53410 54810 54936 56840 56898 58860 61803 63220 63945 64092 65772 66381 68670 70632 73080 75864 76734 79380 80115 82215 82404 85260 85282 85347 88290 88508 91560 93960 94830 96138 102312 103005 106820 109620 110635 113796 115101 117720 123606 126440 127890 127923 128184 131544 132762 137340 142245 144207 153468 154889 158760 160230 164430 164808 170520 170564 170694 176580 177016 189660 191835 192276 199143 206010 213205 213640 219240 221270 227592 230202 240345 247212 255780 255846 256041 265524 274680 284490 288414 298487 306936 309015 309778 320460 328860 331905 341128 341388 353160 379320 383670 383769 384552 398286 412020 426410 426735 432621 442540 460404 464667 480690 494424 511560 511692 512082 531048 568980 575505 576828 596974 597429 618030 619556 639615 640920 657720 663810 682776 721035 767340 767538 774445 796572 824040 852820 853470 865242 885080 895461 920808 929334 961380 995715 1023384 1024164 1137960 1151010 1151307 1153656 1193948 1194858 1236060 1236589 1239112 1279230 1280205 1327620 1394001 1442070 1492435 1534680 1535076 1548890 1593144 1705640 1706940 1730484 1790922 1792287 1858668 1918845 1922760 1991430 2048328 2089409 2163105 2302020 2302614 2323335 2387896 2389716 2472120 2473178 2558460 2560410 2655240 2686383 2788002 2884140 2984870 2987145 3070152 3097780 3413880 3453921 3460968 3581844 3584574 3709767 3717336 3837690 3982860 4178818 4182003 4326210 4477305 4604040 4605228 4646670 4647869 4779432 4946356 5116920 5120820 5372766 5576004 5756535 5768280 5969740 5974290 6182945 6195560 6268227 6907842 6970005 7163688 7169148 7419534 7675380 7965720 8059149 8357636 8364006 8652420 8656123 8954610 8961435 9210456 9293340 9295738 9892712 10241640 10447045 10745532 11129301 11152008 11513070 11939480 11948580 12365890 12536454 12546009 13431915 13815684 13940010 13943607 14338296 14839068 15350760 16118298 16715272 16728012 17269605 17304840 17312246 17909220 17922870 18548835 18586680 18591476 18804681 20894090 20910015 21491064 22258602 23026140 23239345 23897160 24177447 24731780 25072908 25092018 25968369 26863830 27631368 27880020 27887214 29678136 31341135 32236596 32535083 33387903 33456024 34539210 34624492 35818440 35845740 37097670 37182952 37609362 40295745 41788180 41820030 41830821 43280615 44517204 46052280 46478690 48354894 49463560 50145816 50184036 51936738 53727660 55646505 55760040 55774428 56414043 60592861 62682270 62730045 64473192 65070166 66775806 69078420 69248984 69718035 71691480 74195340 75218724 77905107 80591490 83576360 83640060 83661642 86561230 89034408 92957380 94023405 96709788 97605249 100163709 100368072 103873476 107455320 111293010 111548856 112828086 120887235 121185722 125364540 125460090 125492463 129841845 130140332 133551612 134788201 138156840 139436070 148390680 150437448 155810214 161182980 162675415 166939515 167280120 167323284 169242129 173122460 181778583 185914760 188046810 193419576 195210498 200327418 207746952 209154105 222586020 225656172 227745581 233715321 241774470 242371444 250729080 250920180 250984926 259683690 260280664 267103224 269576402 278872140 282070215 292815747 302964305 311620428 322365960 325350830 333879030 334646568 338484258 346244920 363557166 376093620 376477389 389525535 390420996 400654836 404364603 418308210 445172040 451312344 455491162 467430642 483548940 484742888 488026245 500818545 501840360 501969852 519367380 539152804 545335749 557744280 564140430 585631494 605928610 623240856 627462315 650701660 667758060 673941005 676968516 683236743 701145963 727114332 752187240 752954778 779051070 780841992 801309672 808729206 836616420 846210645 878447241 908892915 910982324 934861284 943517407 967097880 976052490 1001637090 1003939704 1038734760 1078305608 1090671498 1128280860 1138727905 1168576605 1171262988 1211857220 1213093809 1254924630 1301403320 1335516120 1347882010 1353937032 1366473486 1402291926 1454228664 1464078735 1505909556 1558102140 1617458412 1636007247 1673232840 1692421290 1756894482 1817785830 1821964648 1869722568 1882386945 1887034814 1952104980 2003274180 2021823015 2049710229 2181342996 2256561720 2277455810 2337153210 2342525976 2423714440 2426187618 2509849260 2635341723 2695764020 2726678745 2732946972 2804583852 2830552221 2928157470 3011819112 3116204280 3234916824 3272014494 3384842580 3416183715 3505729815 3513788964 3635571660 3639281427 3764773890 3774069628 3904209960 4006548360 4043646030 4099420458 4362685992 4392236205 4554911620 4674306420 4717587035 4852375236 4908021741 5019698520 5270683446 5391528040 5453357490 5465893944 5609167704 5661104442 5856314940 6065469045 6149130687 6544028988 6604621849 6769685160 6832367430 7011459630 7027577928 7271143320 7278562854 7529547780 7548139256 8087292060 8180036235 8198840916 8491656663 8784472410 9109823240 9348612840 9435174070 9704750472 9816043482 10248551145 10541366892 10906714980 10917844281 11322208884 11712629880 12130938090 12298261374 13088057976 13176708615 13209243698 13664734860 14022919260 14152761105 14557125708 15059095560 16174584120 16360072470 16397681832 16983313326 17568944820 18196407135 18447392061 18870348140 19632086964 19813865547 20497102290 21082733784 21813429960 21835688562 22644417768 24261876180 24540108705 24596522748 25474969989 26353417230 26418487396 27329469720 28045838520 28305522210 29114251416 30745653435 32720144940 33023109245 33966626652 35137889640 36392814270 36894784122 37740696280 39264173928 39627731094 40994204580 42458283315 43671377124 48523752360 49080217410 49193045496 50949939978 52706834460 52836974792 54589221405 56611044420 59441596641 61491306870 65440289880 66046218490 67933253304 72785628540 73789568244 76424909967 79255462188 81988409160 84916566630 87342754248 92236960305 98160434820 99069327735 101899879956 105413668920 109178442810 113222088840 118883193282 122982613740 127374849945 132092436980 145571257080 147579136488 152849819934 158510924376 169833133260 178324789923 184473920610 196320869640 198138655470 203799759912 218356885620 237766386564 245965227480 254749699890 264184873960 297207983205 305699639868 339666266520 356649579846 368947841220 382124549835 396277310940 436713771240 475532773128 509499399780 534974369769 594415966410 611399279736 713299159692 737895682440 764249099670 792554621880 891623949615 1018998799560 1069948739538 1188831932820 1426598319384 1528498199340 1783247899230 2139897479076 2377663865640 2674871848845 3056996398680 3566495798460 4279794958152 5349743697690 7132991596920 10699487395380 21398974790760
• Sum of all divisors σ(n): 87348256578000
• Sum of proper divisors (its aliquot sum) s(n): 65949281787240
• 21398974790760 is an abundant number, because the sum of its proper divisors (65949281787240) is greater than itself. Its abundance is 44550306996480

Bases of 21398974790760

• Binary: 100110111011001010110010010100111110001101000₂
• Hexadecimal: 0x1376564A7C68
• Base-36: 7L2JX32I0

Squares and roots of 21398974790760

• 21398974790760 squared (21398974790760²) is 457916122095581985781377600
• 21398974790760 cubed (21398974790760³) is 9798935553005937136906480023064550976000
• The square root of 21398974790760 is 4625902.5920094773
• The cube root of 21398974790760 is 27762.8676263045

Scales and comparisons

• 21,398,974,790,760 seconds is equal to 680,421 years, 10 weeks, 5 days, 8 hours, 6 minutes.
• To count from 1 to 21,398,974,790,760 would take you about one million, seven hundred one thousand and fifty-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 21398974790760 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21398974790760

• 21398974790760 backwards is 06709747989312
• 21398974790760 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21398974790760's digits is 72
• More coming soon!