21402184394220

Names of 21402184394220

• Cardinal: 21402184394220 can be written as Twenty-one trillion, four hundred two billion, one hundred eighty-four million, three hundred ninety-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.140218439422 × 10¹³

Factors of 21402184394220

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6720

Divisors of 21402184394220

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 41 42 60 70 71 73 74 82 84 105 111 123 140 142 146 148 164 185 205 210 213 219 222 246 259 284 287 292 355 365 370 410 420 426 438 444 492 497 511 518 555 574 615 710 730 740 777 820 852 861 876 994 1022 1036 1065 1095 1110 1148 1230 1295 1420 1435 1460 1491 1517 1533 1554 1722 1988 2044 2130 2190 2220 2460 2485 2555 2590 2627 2701 2870 2911 2982 2993 3034 3066 3108 3444 3885 4260 4305 4380 4551 4970 5110 5180 5183 5254 5402 5740 5822 5964 5986 6068 6132 6481 7455 7585 7665 7770 7881 8103 8610 8733 8979 9102 9940 10220 10366 10508 10619 10804 11644 11972 12962 13135 13505 14555 14910 14965 15170 15330 15540 15549 15762 16206 17220 17466 17958 18204 18389 18907 19443 20377 20732 20951 21238 22755 25915 25924 26270 27010 29110 29820 29930 30340 30660 31098 31524 31857 32405 32412 34932 35916 36281 36778 37814 38886 39405 40515 40754 41902 42476 43665 44895 45367 45510 51830 52540 53095 54020 55167 56721 58220 59860 61131 62196 62853 63714 64810 72562 73556 75628 77745 77772 78810 81030 81508 83804 87330 89790 90734 91020 91945 94535 97215 101885 103660 104755 106190 107707 108843 110334 110741 113442 122262 125706 127428 129620 136101 145124 155490 157620 159285 162060 174660 179580 181405 181468 183890 189070 191771 194430 203770 209510 212380 212503 215414 217686 220668 221482 226835 226884 239797 244524 251412 265721 272202 275835 283605 305655 310980 314265 318570 323121 332223 362810 367780 378140 383542 388860 407540 419020 425006 430828 435372 442964 453670 460151 473113 479594 531442 538535 544215 544404 551670 553705 567210 575313 611310 628530 637140 637509 646242 664446 680505 719391 725620 753949 767084 775187 797163 850012 907340 920302 946226 958855 959188 1062515 1062884 1077070 1088430 1103340 1107410 1134420 1150626 1198985 1222620 1257060 1275018 1292484 1328605 1328892 1342397 1361010 1380453 1419339 1438782 1487521 1507898 1550374 1594326 1615605 1661115 1678579 1840604 1860047 1892452 1917710 2125030 2154140 2176860 2214820 2261847 2300755 2301252 2325561 2365565 2397970 2550036 2657210 2684794 2722020 2760906 2838678 2876565 2877564 2975042 3015796 3100748 3187545 3188652 3221057 3231210 3311791 3322230 3357158 3596955 3720094 3769745 3835420 3875935 3985815 4027191 4250060 4462563 4523694 4601510 4651122 4731130 4795940 5035737 5314420 5369588 5521812 5580141 5677356 5753130 5950084 6375090 6442114 6462420 6623582 6644460 6711985 6714316 6902265 7096695 7193910 7437605 7440188 7539490 7751870 7862611 7971630 8054382 8392895 8925126 9047388 9203020 9300235 9302244 9462260 9663171 9831677 9935373 10071474 11160282 11309235 11506260 11627805 12750180 12884228 13247164 13423970 13804530 14193390 14387820 14875210 15078980 15503740 15725222 15943260 16105285 16108764 16558955 16785790 17025587 17505181 17850252 18600470 18866191 19326342 19397633 19663354 19870746 20135955 20142948 22312815 22320564 22618470 23255610 23587833 25178685 26847940 27609060 27900705 28386780 29495031 29750420 31450444 32210570 33117910 33571580 33591023 34051174 35010362 37200940 37732382 38652684 38795266 39313055 39326708 39741492 40271910 44625630 45236940 46511220 47175666 48315855 49158385 49676865 50357370 51076761 52515543 55038277 55801410 56598573 58192899 58990062 64421140 66235820 67182046 68102348 68821739 70020724 75464764 77590532 78626110 80543820 85127935 87525905 89251260 94330955 94351332 96631710 96988165 98316770 99353730 100714740 100773069 102153522 105031086 110076554 111602820 113197146 116385798 117939165 117980124 119179109 122536267 132063337 134364092 135783431 137643478 147475155 157252220 165114831 167955115 170255870 175051810 188661910 193263420 193976330 196633540 198707460 201546138 204307044 206465217 210062172 220153108 226394292 232771596 235137161 235878330 238358218 245072534 255383805 262577715 264126674 271566862 275191385 275286956 282992865 290964495 294950310 330229662 335910230 340511740 344108695 350103620 357537327 367608801 377323820 387952660 396190011 403092276 407350293 412930434 470274322 471756660 476716436 490145068 503865345 510767610 525155430 528253348 543133724 550382770 565985730 581928990 589900620 595895545 612681335 660316685 660459324 671820460 678917155 688217390 698049067 705411483 715074654 717712421 735217602 792380022 814700586 825574155 825860868 940548644 1007730690 1021535220 1032326085 1050310860 1100765540 1131971460 1163857980 1175685805 1191791090 1225362670 1242867851 1320633370 1357834310 1376434780 1377231943 1396098134 1410822966 1430149308 1435424842 1470435204 1584760044 1629401172 1651148310 1787686635 1838044005 1980950055 2015461380 2036751465 2064652170 2094147201 2153137263 2351371610 2383582180 2450725340 2485735702 2641266740 2715668620 2754463886 2792196268 2821645932 2870849684 3302296620 3490245335 3527057415 3575373270 3588562105 3676088010 3728603553 3961900110 4073502930 4129304340 4131695829 4188294402 4306274526 4702743220 4886343469 4971471404 5023986947 5508927772 6214339255 6886159715 6980490670 7054114830 7150746540 7177124210 7352176020 7457207106 7923800220 8147005860 8263391658 8376588804 8612549052 8700074957 9640623601 9772686938 10047973894 10470736005 10765686315 12428678510 13772319430 13960981340 14108229660 14354248420 14659030407 14914414212 15071960841 16526783316 17400149914 18643017765 19281247202 19545373876 20095947788 20658479145 20941472010 21531372630 24431717345 24857357020 25119934735 26100224871 27544638860 28921870803 29318060814 30143921682 34800299828 37286035530 38562494404 41316958290 41882944020 43062745260 43500374785 48203118005 48863434690 50239869470 50957581891 52200449742 57843741606 58636121628 60287843364 73295152035 74572071060 75359804205 82633916580 87000749570 96406236010 97726869380 100479738940 101915163782 104400899484 115687483212 130501124355 144609354015 146590304070 150719608410 152872745673 174001499140 192812472020 203830327564 254787909455 261002248710 289218708030 293180608140 301439216820 305745491346 356703073237 509575818910 522004497420 578437416060 611490982692 713406146474 764363728365 1019151637820 1070109219711 1426812292948 1528727456730 1783515366185 2140218439422 3057454913460 3567030732370 4280436878844 5350546098555 7134061464740 10701092197110 21402184394220
• Sum of all divisors σ(n): 74080754786304
• Sum of proper divisors (its aliquot sum) s(n): 52678570392084
• 21402184394220 is an abundant number, because the sum of its proper divisors (52678570392084) is greater than itself. Its abundance is 31276385997864

Bases of 21402184394220

• Binary: 100110111011100010101100110010010010111101100₂
• Hexadecimal: 0x1377159925EC
• Base-36: 7L41000DO

Squares and roots of 21402184394220

• 21402184394220 squared (21402184394220²) is 458053496844194108369408400
• 21402184394220 cubed (21402184394220³) is 9803345401876711164956219949333779448000
• The square root of 21402184394220 is 4626249.4954574163
• The cube root of 21402184394220 is 27764.2555953107

Scales and comparisons

• 21,402,184,394,220 seconds is equal to 680,523 years, 13 weeks, 4 days, 12 hours, 37 minutes.
• To count from 1 to 21,402,184,394,220 would take you about one million, seven hundred one thousand, three hundred eight 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 21402184394220 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402184394220

• 21402184394220 backwards is 02249348120412
• 21402184394220 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21402184394220's digits is 42
• More coming soon!