21429138651648

Names of 21429138651648

• Cardinal: 21429138651648 can be written as Twenty-one trillion, four hundred twenty-nine billion, one hundred thirty-eight million, six hundred fifty-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1429138651648 × 10¹³

Factors of 21429138651648

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 18828

Divisors of 21429138651648

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 32 34 37 39 42 48 51 52 56 64 68 74 78 84 91 96 102 104 111 112 119 128 136 148 156 168 169 182 192 204 208 221 222 224 238 256 259 272 273 296 312 336 338 357 364 384 408 416 442 444 448 476 481 507 512 518 544 546 592 624 629 663 672 676 714 728 768 777 816 832 884 888 896 952 962 1014 1036 1088 1092 1183 1184 1248 1258 1326 1344 1352 1428 1443 1456 1536 1547 1554 1632 1664 1768 1776 1792 1887 1904 1924 2028 2072 2176 2184 2366 2368 2496 2516 2652 2688 2704 2856 2873 2886 2912 3094 3108 3264 3328 3367 3536 3549 3552 3584 3774 3808 3848 4056 4144 4352 4368 4403 4641 4732 4736 4992 5032 5304 5376 5408 5712 5746 5772 5824 6188 6216 6253 6528 6656 6734 7072 7098 7104 7548 7616 7696 8112 8177 8288 8619 8704 8736 8806 9282 9464 9472 9984 10064 10101 10608 10752 10816 11424 11492 11544 11648 12376 12432 12506 13056 13209 13468 14144 14196 14208 15096 15232 15392 16224 16354 16576 17238 17472 17612 18564 18749 18759 18928 18944 19968 20111 20128 20202 21216 21632 22848 22984 23088 23296 24531 24752 24864 25012 26112 26418 26936 28288 28392 28416 30192 30464 30784 32448 32708 33152 34476 34944 35224 37128 37498 37518 37856 40222 40256 40404 42432 43264 43771 45696 45968 46176 46592 49062 49504 49728 50024 52836 53872 56247 56576 56784 56832 57239 60333 60384 60928 61568 64896 65416 66304 68952 69888 70448 74256 74996 75036 75712 80444 80512 80808 84864 86528 87542 91392 91936 92352 98124 99008 99456 100048 105672 106301 107744 112494 113152 113568 114478 120666 120768 123136 129792 130832 131243 131313 132608 137904 139776 140896 148512 149992 150072 151424 160888 161024 161616 169728 171717 175084 182784 183872 184704 196248 198016 198912 200096 211344 212602 215488 224988 227136 228956 241332 241536 243737 246272 259584 261664 262486 262626 275808 281792 297024 299984 300144 302848 318733 318903 321776 322048 323232 339456 343434 350168 367744 369408 392496 393729 396032 397824 400192 422688 425204 430976 449976 454272 457912 482664 483072 487474 523328 524972 525252 551616 563584 594048 599968 600288 605696 637466 637806 643552 646464 686868 693713 700336 731211 735488 738816 744107 784992 787458 792064 800384 845376 850408 861952 899952 908544 915824 956199 965328 966144 974948 1046656 1049944 1050504 1103232 1127168 1188096 1199936 1200576 1274932 1275612 1287104 1292928 1373736 1387426 1400672 1462422 1470976 1488214 1569984 1574916 1600768 1690752 1700816 1706159 1723904 1799904 1817088 1831648 1912398 1930656 1949896 2081139 2093312 2099888 2101008 2206464 2231131 2232321 2254336 2376192 2399872 2401152 2549864 2551224 2574208 2585856 2747472 2774852 2801344 2924844 2976428 3139968 3149832 3168581 3201536 3381504 3401632 3412318 3599808 3663296 3824796 3861312 3899792 4143529 4162278 4186624 4199776 4202016 4412928 4462262 4464642 4799744 4802304 4855991 5099728 5102448 5118477 5148416 5171712 5494944 5549704 5602688 5849688 5952856 6279936 6299664 6337162 6693393 6763008 6803264 6824636 7199616 7326592 7649592 7722624 7799584 8287058 8324556 8399552 8404032 8924524 8929284 9018269 9505743 9599488 9604608 9711982 10199456 10204896 10236954 10296832 10989888 11099408 11205376 11699376 11793121 11905712 12430587 12559872 12599328 12674324 13386786 13606528 13649272 14399232 14567973 14653184 15299184 15445248 15599168 16574116 16649112 16799104 16808064 17849048 17858568 18036538 19011486 19423964 20398912 20409792 20473908 21979776 22180067 22198816 22410752 23398752 23586242 23811424 24861174 25198656 25348648 26773572 27054807 27213056 27298544 28798464 29004703 29135946 29306368 30598368 30890496 31198336 33148232 33298224 33598208 33616128 35379363 35698096 35717136 36073076 38022972 38847928 40797824 40819584 40947816 43959552 44360134 44397632 46797504 47172484 47622848 49722348 50397312 50697296 53547144 53865877 54109614 54426112 54597088 58009406 58271892 61196736 62396672 63127883 66296464 66540201 66596448 67196416 67232256 70758726 71396192 71434272 72146152 76045944 77695856 81595648 81639168 81895632 82551847 87014109 87919104 88720268 88795264 93595008 94344968 95245696 99444696 100794624 101394592 107094288 107731754 108219228 109194176 116018812 116543784 117237497 122393472 124793344 126255766 132592928 133080402 133192896 141517452 142792384 142868544 144292304 152091888 153310573 155391712 161597631 163191296 163278336 163791264 165103694 174028218 177440536 177590528 187190016 188689936 189383649 190491392 198889392 201589248 202789184 214188576 215463508 216438456 218388352 232037624 233087568 234474994 244786944 247655541 252511532 265185856 266160804 266385792 283034904 285584768 285737088 288584608 304183776 306621146 310783424 323195262 327582528 330207388 348056436 351712491 354881072 355181056 374380032 377061139 377379872 378767298 380982784 397778784 405578368 428377152 430927016 432876912 436776704 459931719 464075248 466175136 468949988 489573888 495311082 505023064 530371712 532321608 532771584 566069808 571169536 571474176 577169216 608367552 613242292 621566848 646390524 655165056 660414776 696112872 703424982 709762144 754122278 754759744 757534596 795557568 811156736 820662479 856754304 861854032 865753824 873553408 919863438 928150496 932350272 937899976 990622164 1010046128 1060743424 1064643216 1065543168 1073174011 1131183417 1132139616 1142339072 1142948352 1154338432 1216735104 1226484584 1243133696 1292781048 1310330112 1320829552 1392225744 1406849964 1419524288 1508244556 1509519488 1515069192 1591115136 1622313472 1641324958 1713508608 1723708064 1731507648 1839726876 1856300992 1864700544 1875799952 1981244328 1993037449 2020092256 2121486848 2129286432 2146348022 2262366834 2264279232 2308676864 2433470208 2452969168 2461987437 2486267392 2585562096 2620660224 2641659104 2784451488 2813699928 2839048576 3016489112 3019038976 3030138384 3182230272 3219522033 3282649916 3427017216 3447416128 3463015296 3679453752 3712601984 3729401088 3751599904 3962488656 3986074898 4040184512 4258572864 4292696044 4524733668 4528558464 4617353728 4866940416 4905938336 4923974874 5171124192 5283318208 5568902976 5627399856 5678097152 5979112347 6032978224 6038077952 6060276768 6364460544 6439044066 6565299832 6894832256 6926030592 7358907504 7425203968 7458802176 7503199808 7924977312 7972149796 8080369024 8517145728 8585392088 9049467336 9057116928 9811876672 9847949748 10342248384 10566636416 11137805952 11254799712 11356194304 11958224694 12065956448 12120553536 12878088132 13130599664 13789664512 13852061184 13951262143 14717815008 14850407936 15006399616 15849954624 15944299592 16160738048 17034291456 17170784176 18098934672 18114233856 19623753344 19695899496 20684496768 21133272832 22275611904 22509599424 23916449388 24131912896 24241107072 25756176264 26261199328 27579329024 27902524286 29435630016 30012799232 31699909248 31888599184 32321476096 34068582912 34341568352 36197869344 39247506688 39391798992 41368993536 41853786429 42266545664 44551223808 45019198848 47832898776 48263825792 48482214144 51512352528 52522398656 55805048572 58871260032 60025598464 63399818496 63777198368 68683136704 72395738688 78495013376 78783597984 82737987072 83707572858 90038397696 95665797552 96527651584 96964428288 103024705056 105044797312 111610097144 117742520064 126799636992 127554396736 137366273408 144791477376 157567195968 167415145716 180076795392 191331595104 193055303168 206049410112 210089594624 223220194288 235485040128 255108793472 274732546816 289582954752 315134391936 334830291432 382663190208 412098820224 420179189248 446440388576 510217586944 549465093632 579165909504 630268783872 669660582864 765326380416 824197640448 892880777152 1020435173888 1260537567744 1339321165728 1530652760832 1648395280896 1785761554304 2678642331456 3061305521664 3571523108608 5357284662912 7143046217216 10714569325824 21429138651648
• Sum of all divisors σ(n): 76830573600000
• Sum of proper divisors (its aliquot sum) s(n): 55401434948352
• 21429138651648 is an abundant number, because the sum of its proper divisors (55401434948352) is greater than itself. Its abundance is 33972296296704

Bases of 21429138651648

• Binary: 100110111110101011100001100100111101000000000₂
• Hexadecimal: 0x137D5C327A00
• Base-36: 7LGERVAIO

Squares and roots of 21429138651648

• 21429138651648 squared (21429138651648²) is 459207983351554263493115904
• 21429138651648 cubed (21429138651648³) is 9840431545184122761955975453572744609792
• The square root of 21429138651648 is 4629161.7655519451
• The cube root of 21429138651648 is 27775.9062899445

Scales and comparisons

• 21,429,138,651,648 seconds is equal to 681,380 years, 16 weeks, 6 days, 2 hours, 20 minutes, 48 seconds.
• To count from 1 to 21,429,138,651,648 would take you about one million, seven hundred three thousand, four hundred fifty 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 21429138651648 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21429138651648

• 21429138651648 backwards is 84615683192412
• The number of decimal digits it has is: 14
• The sum of 21429138651648's digits is 60
• More coming soon!