81940822393122

Names of 81940822393122

• Cardinal: 81940822393122 can be written as Eighty-one trillion, nine hundred forty billion, eight hundred twenty-two million, three hundred ninety-three thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 8.1940822393122 × 10¹³

Factors of 81940822393122

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3203

Divisors of 81940822393122

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 31 33 34 42 51 62 63 66 77 93 99 102 119 121 126 153 154 186 187 198 217 231 238 242 279 306 331 341 357 363 374 434 462 527 558 561 651 662 682 693 714 726 847 993 1023 1054 1071 1089 1122 1302 1309 1331 1386 1581 1683 1694 1953 1986 2046 2057 2142 2178 2317 2387 2541 2618 2662 2801 2979 3069 3162 3366 3641 3689 3751 3906 3927 3993 4114 4634 4743 4774 5082 5602 5627 5797 5958 6138 6171 6951 7161 7282 7378 7502 7623 7854 7986 8403 9317 9486 10261 10923 11067 11253 11254 11594 11781 11979 12342 13902 14322 14399 15246 16806 16881 17391 18513 18634 19607 20522 20853 21483 21846 22134 22506 22627 23562 23958 25209 25487 26257 27951 28798 30783 30811 32769 33201 33759 33762 34782 37026 39214 39389 40051 40579 41261 41706 42966 43197 45254 47617 50418 50643 50974 52173 52514 55902 58821 61566 61622 61897 63767 65538 66402 67518 67881 71827 76461 78771 78778 80102 81158 82522 83853 86394 86831 92349 92433 95234 101286 104346 112871 117642 118167 120153 121737 123783 123794 127534 129591 135762 142851 143654 152922 157542 158389 167706 173662 174437 176463 184698 184866 185691 191301 203643 215481 215677 225742 229383 236313 236334 240306 243474 247566 259182 260493 277299 280357 285702 288827 316778 333319 338613 338921 348874 352926 354501 360459 365211 371349 371382 382602 407286 428553 430962 431354 433279 440561 446369 458766 472626 475167 520986 523311 523787 554598 557073 560714 573903 577654 607817 646443 647031 666638 677226 677842 680867 701437 709002 720918 730422 742698 781479 790097 841071 857106 866481 866558 881122 892738 927131 950334 955141 999957 1015839 1016763 1046622 1047574 1114146 1147806 1215634 1221059 1241581 1292886 1294062 1299837 1321683 1339107 1361734 1402874 1425501 1476127 1562958 1569933 1571361 1580194 1682142 1732962 1823451 1854262 1910282 1918807 1941093 1999914 2031678 2033526 2042601 2104311 2370291 2372447 2442118 2483162 2523213 2599443 2599674 2643366 2678214 2781393 2851002 2865423 2952254 2999871 3050289 3083927 3139866 3142722 3646902 3663177 3666509 3724743 3728131 3837614 3882186 3899511 3965049 4017321 4085202 4208622 4428381 4714083 4740582 4744894 4766069 4910059 5046426 5198886 5470353 5562786 5730846 5756421 5761657 5999742 6100578 6127803 6167854 6312933 6489917 6685987 7110873 7117341 7326354 7333018 7449486 7456262 7489537 7799022 7930098 8034642 8344179 8596269 8691067 8856762 9251781 9428166 9532138 9820118 10198441 10332889 10506551 10940706 10989531 10999527 11174229 11184393 11512842 11523314 12255606 12625866 12979834 13285143 13371974 13431649 13657391 14221746 14234682 14298207 14730177 14979074 15761227 16237397 16688358 17192538 17269263 17284971 17382134 18503562 19469751 20057961 20396882 20665778 21013102 21106877 21352023 21979062 21999054 22348458 22368786 22468611 26073201 26096917 26570286 26863298 27314782 27755343 28596414 28741061 29460354 30595323 30998667 31519653 31522454 32474794 32998581 33553179 34538526 34569942 38939502 40115922 40294947 40331599 40972173 42213754 42704046 42894621 44190531 44937222 47283681 48712191 51854913 52146402 52193834 52426759 55510686 57482122 58409253 60173883 61190646 61997334 63039306 63320631 63378227 65997162 67106358 67405833 71389087 73545857 78219603 78290751 80589894 80663198 81944346 85789242 86223183 88381062 91785969 92996001 94558959 94567362 95601737 97424382 103709826 104853518 110328589 112182851 113661779 115572061 116818506 120347766 120884841 120994797 122916519 126641262 126756454 134811666 141851043 142778174 146136573 147091714 147748139 156439206 156581502 157280277 172446366 173373497 178611367 183571938 185992002 189117918 189961893 190134681 191203474 201187427 214167261 220637571 220657178 224365702 227323558 231144122 232175647 234872253 241769682 241989594 245833038 258669549 283702086 286805211 292273146 295496278 314560554 316151671 330985767 336548553 340985337 346716183 346746994 357222734 362984391 379923786 380269362 402374854 428334522 441275142 443244417 443647589 464351294 469744506 471840831 488598037 517339098 520120491 535834101 570404043 573610422 603562281 632303342 642501783 661912713 661971534 673097106 681970674 693432366 696526941 725968782 785279957 809004427 860415633 886488834 887295178 943681662 948455013 977196074 992957301 1009645659 1022956011 1040148549 1040240982 1071668202 1140808086 1207124562 1213614479 1234011361 1250279569 1285003566 1323825426 1329733251 1330942767 1393053882 1465794111 1560361473 1570559914 1607502303 1618008854 1625229529 1720831266 1810686843 1896910026 1907108467 1964725037 1985914602 2019291318 2045912022 2080297098 2089580823 2213061697 2355839871 2427013281 2427228958 2468022722 2500559138 2659466502 2661885534 2845365039 2931588222 3120722946 3215004606 3250459058 3420186259 3477668381 3621373686 3640843437 3702034083 3750838707 3814216934 3929450074 3992828301 4179161646 4397382333 4426123394 4711679742 4854026562 4875688587 5374578407 5690730078 5721325401 5894175111 6639185091 6840372518 6955336762 7067519613 7281039843 7281686874 7404068166 7501677414 7985656602 8638079527 8794764666 9751377174 10260558777 10433005143 10749156814 10922530311 11106102249 11252516121 11442650802 11788350222 13278370182 13349759269 13753075259 14135039226 14562079686 14627065761 16123735221 17163976203 17276159054 17682525333 19917555273 20521117554 20866010286 20978193137 21845060622 22212204498 22505032242 24343678667 25914238581 26699518538 27506150518 29254131522 30781676331 31299015429 32247470442 34327952406 35365050666 37622048849 38254352191 39835110546 40049277807 41259225777 41956386274 48371205663 48687357334 51828477162 59120362477 61563352662 62598030858 62934579411 73031036001 75244097698 76508704382 77742715743 80098555614 82518451554 96742411326 112866146547 114763056573 118240724954 120147833421 123777677331 125869158822 146062072002 146847351959 155485431486 177361087431 188803738233 219093108003 225732293094 229526113146 240295666842 247555354662 267780465337 293694703918 338598439641 344289169719 354722174862 377607476466 413842537339 438186216006 440542055877 532083262293 535560930674 650323987247 677196879282 688578339438 803341396011 827685074678 881084111754 1064166524586 1241527612017 1300647974494 1321626167631 1606682792022 1950971961741 2410024188033 2483055224034 2643252335262 3724582836051 3901943923482 4552267910729 4820048376066 5852915885223 7449165672102 9104535821458 11705831770446 13656803732187 27313607464374 40970411196561 81940822393122
• Sum of all divisors σ(n): 244750940209152
• Sum of proper divisors (its aliquot sum) s(n): 162810117816030
• 81940822393122 is an abundant number, because the sum of its proper divisors (162810117816030) is greater than itself. Its abundance is 80869295422908

Bases of 81940822393122

• Binary: 10010101000011001010101100111001000000100100010₂
• Hexadecimal: 0x4A86559C8122
• Base-36: T1N3E04KI

Squares and roots of 81940822393122

• 81940822393122 squared (81940822393122²) is 6714298374461163807112906884
• 81940822393122 cubed (81940822393122³) is 550175130596149974996402675064258828051848
• The square root of 81940822393122 is 9052117.0116786493
• The cube root of 81940822393122 is 43434.3612849577

Scales and comparisons

• 81,940,822,393,122 seconds is equal to 2,605,464 years, 36 weeks, 1 hour, 38 minutes, 42 seconds.
• To count from 1 to 81,940,822,393,122 would take you about six million, five hundred thirteen thousand, six hundred sixty-one 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 81940822393122 cubic inches would be around 3619.5 feet tall.

Recreational maths with 81940822393122

• 81940822393122 backwards is 22139322804918
• The number of decimal digits it has is: 14
• The sum of 81940822393122's digits is 54
• More coming soon!