21399708052008

Names of 21399708052008

• Cardinal: 21399708052008 can be written as Twenty-one trillion, three hundred ninety-nine billion, seven hundred eight million, fifty-two thousand and eight.

Scientific notation

• Scientific notation: 2.1399708052008 × 10¹³

Factors of 21399708052008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 817

Divisors of 21399708052008

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 27 31 33 36 39 44 52 54 62 66 72 78 81 88 93 99 104 108 117 124 132 143 156 162 169 186 198 216 234 248 264 279 286 297 312 324 338 341 351 372 396 403 429 468 507 558 572 594 648 676 682 702 744 757 792 806 837 858 891 936 1014 1023 1053 1116 1144 1188 1209 1287 1352 1364 1404 1514 1521 1612 1674 1716 1782 1859 2028 2046 2106 2232 2271 2376 2418 2511 2574 2728 2808 3028 3042 3069 3224 3348 3432 3564 3627 3718 3861 4056 4092 4212 4433 4542 4563 4836 5022 5148 5239 5577 6056 6084 6138 6696 6813 7128 7254 7436 7722 8184 8327 8424 8866 9084 9126 9207 9672 9841 10044 10296 10478 10881 11154 11583 12168 12276 13299 13626 13689 14508 14872 15444 15717 16654 16731 17732 18168 18252 18414 19682 20088 20439 20956 21762 22308 23166 23467 24552 24981 26598 27252 27378 27621 29016 29523 30888 31434 32643 33308 33462 35464 36504 36828 39364 39897 40878 41912 43524 44616 46332 46934 47151 49962 50193 53196 54504 54756 55242 57629 59046 61317 62868 65286 66616 66924 70401 73656 74943 78728 79794 81756 87048 88569 92664 93868 94302 99924 100386 106392 108251 109512 110484 115258 118092 119691 122634 125736 127933 130572 133848 140802 141453 149886 150579 159588 163512 172887 177138 187736 188604 199848 200772 211203 216502 220968 224829 230516 236184 239382 245268 255866 258137 261144 265707 281604 282906 299772 301158 305071 319176 324753 345774 354276 359073 377208 383799 401544 422406 424359 433004 449658 461032 478764 490536 511732 516274 518661 531414 563208 565812 573049 599544 602316 610142 633609 649506 674487 691548 708552 718146 767598 774411 797121 844812 848718 866008 899316 915213 957528 974259 1023464 1032548 1037322 1062828 1131624 1146098 1151397 1204632 1220284 1267218 1299012 1348974 1383096 1407263 1436292 1535196 1548822 1555983 1594242 1689624 1697436 1719147 1798632 1830426 1900827 1948518 2065096 2074644 2125656 2292196 2302794 2323233 2440568 2534436 2598024 2697948 2745639 2814526 2872584 2922777 3070392 3097644 3111966 3188484 3355781 3394872 3438294 3454191 3660852 3801654 3897036 3965923 4149288 4221789 4584392 4605588 4646466 4667949 5068872 5157441 5395896 5491278 5629052 5845554 6195288 6223932 6303539 6376968 6711562 6876588 6908382 6969699 7321704 7449637 7603308 7794072 7931846 8236917 8443578 8768331 9211176 9292932 9335898 10067343 10314882 10362573 10982556 11258104 11691108 11897769 12447864 12607078 12665367 13423124 13753176 13816764 13939398 14899274 15206616 15472323 15863692 16473834 16887156 17536662 17764519 18585864 18671796 18910617 20134686 20629764 20725146 20909097 21965112 22348911 23382216 23795538 24710751 25214156 25330734 26846248 27633528 27878796 29798548 30202029 30944646 31727384 32947668 33774312 35073324 35529038 35693307 37343592 37821234 37996101 40269372 41259528 41450292 41818194 43625153 44697822 46416969 47591076 49421502 50428312 50661468 53293557 55757592 56731851 59597096 60404058 61889292 65895336 67046733 70146648 71058076 71386614 75642468 75992202 80538744 81946007 82900584 83636388 87250306 89395644 90606087 92833938 95182152 96845281 98843004 101322936 106587114 107079921 113463702 113988303 120808116 123778584 130875459 134093466 142116152 142773228 151284936 151984404 159880671 163892014 167272776 170195553 174500612 178791288 181212174 185667876 193690562 195409709 197686008 201140199 213174228 214159842 226927404 227976606 230938747 241616232 245838021 261750918 268186932 271818261 285546456 290535843 303968808 319761342 321239763 327784028 340391106 349001224 362424348 371335752 387381124 390819418 392626377 402280398 426348456 428319684 453854808 455953212 461877494 479642013 491676042 510586659 523501836 536373864 543636522 581071686 586229127 603420597 639522684 642479526 655568056 680782212 692816241 724848696 737514063 774762248 781638836 785252754 804560796 856639368 871607529 911906424 923754988 959284026 983352084 1021173318 1047003672 1065298091 1087273044 1162143372 1172458254 1177879131 1206841194 1279045368 1284959052 1361564424 1385632482 1438926039 1475028126 1563277672 1570505508 1609121592 1743215058 1758687381 1847509976 1918568052 1966704168 2042346636 2078448723 2130596182 2174546088 2212542189 2324286744 2344916508 2355758262 2413682388 2540326217 2569918104 2614822587 2771264964 2877852078 2950056252 3002203711 3141011016 3195894273 3486430116 3517374762 3533637393 3837136104 4084693272 4156897446 4261192364 4425084378 4689833016 4711516524 4827364776 5080652434 5229645174 5276062143 5542529928 5755704156 5900112504 6004407422 6235346169 6391788546 6637626567 6972860232 7034749524 7067274786 7620978651 7844467761 8313794892 8522384728 8850168756 9006611133 9423033048 9587682819 10161304868 10459290348 10552124286 11511408312 12008814844 12470692338 12783577092 13275253134 14069499048 14134549572 15241957302 15688935522 15828186429 16627589784 17700337512 18013222266 18706038507 19175365638 20322609736 20918580696 21104248572 22862935953 24017629688 24941384676 25567154184 26550506268 27019833399 28269099144 28763048457 30483914604 31377871044 31656372858 33024240821 36026444532 37412077014 38350731276 42208497144 45725871906 49882769352 53101012536 54039666798 57526096914 60967829208 62755742088 63312745716 66048481642 68588807859 72052889064 74824154028 76701462552 81059500197 86289145371 91451743812 99072722463 108079333596 115052193828 126625491432 132096963284 137177615718 149648308056 162119000394 172578290742 182903487624 198145444926 205766423577 216158667192 230104387656 243178500591 264193926568 274355231436 297218167389 324238000788 345156581484 396290889852 411532847154 486357001182 548710462872 594436334778 648476001576 690313162968 792581779704 823065694308 891654502167 972714002364 1188872669556 1646131388616 1783309004334 1945428004728 2377745339112 2674963506501 3566618008668 5349927013002 7133236017336 10699854026004 21399708052008
• Sum of all divisors σ(n): 73185456389760
• Sum of proper divisors (its aliquot sum) s(n): 51785748337752
• 21399708052008 is an abundant number, because the sum of its proper divisors (51785748337752) is greater than itself. Its abundance is 30386040285744

Bases of 21399708052008

• Binary: 100110111011010000001111111110010101000101000₂
• Hexadecimal: 0x137681FF2A28
• Base-36: 7L2W1NEI0

Squares and roots of 21399708052008

• 21399708052008 squared (21399708052008²) is 457947504711176030032832064
• 21399708052008 cubed (21399708052008³) is 9799942903964725204320679552584841984512
• The square root of 21399708052008 is 4625981.8473495981
• The cube root of 21399708052008 is 27763.1847318769

Scales and comparisons

• 21,399,708,052,008 seconds is equal to 680,444 years, 27 weeks, 1 day, 3 hours, 46 minutes, 48 seconds.
• To count from 1 to 21,399,708,052,008 would take you about one million, seven hundred one thousand, one hundred eleven 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 21399708052008 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21399708052008

• 21399708052008 backwards is 80025080799312
• 21399708052008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21399708052008's digits is 54
• More coming soon!