12991605180008994

Names of 12991605180008994

• Cardinal: 12991605180008994 can be written as Twelve quadrillion, nine hundred ninety-one trillion, six hundred five billion, one hundred eighty million, eight thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 1.2991605180008994 × 10¹⁶

Factors of 12991605180008994

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1637

Divisors of 12991605180008994

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 71 77 99 121 126 142 154 198 213 231 242 363 426 462 497 639 693 726 781 847 994 1089 1278 1386 1491 1543 1562 1694 2178 2343 2541 2982 3086 4473 4629 4686 5041 5082 5467 7029 7623 8591 8946 9258 10082 10801 10934 13887 14058 15123 15246 16401 16973 17182 21602 25773 27774 30246 32403 32802 33946 35287 45369 49203 50919 51546 55451 60137 64806 70574 77319 90738 97209 98406 101838 105861 109553 110902 118811 120274 152757 154638 166353 180411 186703 194418 211722 219106 237622 305514 317583 328659 332706 356433 357911 360822 373406 388157 499059 541233 560109 609961 635166 657318 712866 715822 766871 776314 985977 998118 1069299 1073733 1082466 1120218 1164471 1205083 1219922 1306921 1533742 1680327 1829883 1971954 2138598 2147466 2300613 2328942 2380849 2410166 2505377 2613842 3221199 3360654 3493413 3615249 3659766 3920763 3937021 4269727 4601226 4761698 5010754 5489649 6442398 6901839 6986826 7142547 7230498 7516131 7778263 7841526 7874042 8435581 8539454 10845747 10979298 11762289 11811063 12809181 13255913 13803678 14285094 15032262 15556526 16665943 16871162 21427641 21691494 22548393 23334789 23524578 23622126 25306743 25618362 26189339 26511826 27559147 33331886 35433189 38427543 39767739 42855282 43307231 45096786 46669578 49997829 50613486 52378678 54447841 55118294 70004367 70866378 75920229 76855086 78568017 79535478 82677441 85560893 86614462 92791391 99995658 108895682 119303217 129921693 140008734 149993487 151840458 157136034 163343523 165354882 169040279 171121786 183325373 185582782 235704051 238606434 248032323 256682679 259843386 278374173 288082729 299986974 303150617 326687046 338080558 366650746 389765079 471408102 490030569 496064646 507120837 513365358 549976119 552256673 556748346 576165458 598926251 606301234 770048037 779530158 835122519 864248187 909451851 941169823 980061138 1014241674 1099952238 1104513346 1183281953 1197852502 1521362511 1540096074 1649928357 1656770019 1670245038 1728496374 1796778753 1818903702 1859443069 1882339646 2016579103 2366563906 2592744561 2728355553 2823509469 3042725022 3299856714 3313540038 3549845859 3593557506 3718886138 3865796711 4033158206 4970310057 5185489122 5390336259 5456711106 5578329207 5647018938 6049737309 6074823403 6588188761 7099691718 7731593422 8470528407 9940620114 10649537577 10780672518 11156658414 11597390133 12001859809 12099474618 12149646806 13016101483 13176377522 16734987621 16941056814 18149211927 18224470209 19764566283 20453873759 21299075154 23194780266 24003719618 26032202966 33469975242 34792170399 36005579427 36298423854 36448940418 39048304449 39529132566 40907747518 42523763821 54673410627 59293698849 61361621277 66823057433 69584340798 72011158854 78096608898 84013018663 85047527642 108016738281 109346821254 117144913347 118587397698 122723242554 127571291463 132020457899 133646114866 143177116313 168026037326 184084863831 200469172299 216033476562 234289826694 252039055989 255142582926 264040915798 286354232626 368169727662 382713874389 396061373697 400938344598 429531348939 467761402031 504078111978 601407516897 756117167967 765427748778 792122747394 852132046439 859062697878 924143205293 935522804062 1188184121091 1202815033794 1288594046817 1403284206093 1452225036889 1512234335934 1704264092878 1848286410586 2376368242182 2556396139317 2577188093634 2772429615879 2806568412186 2904450073778 4209852618279 4356675110667 5112792278634 5544859231758 5964924325073 7669188417951 8317288847637 8419705236558 8713350221334 9373452510829 10165575258223 11929848650146 13070025332001 15338376835902 16634577695274 17894772975219 18746905021658 20331150516446 26140050664002 28120357532487 30496725774669 35789545950438 53684318925657 56240715064974 60993451549338 65614167575803 84361072597461 91490177324007 103107977619119 107368637851314 131228335151606 168722145194922 182980354648014 196842502727409 206215955238238 309323932857357 393685005454818 590527508182227 618647865714714 721755843333833 927971798572071 1181055016364454 1443511686667666 1855943597144142 2165267530001499 4330535060002998 6495802590004497 12991605180008994
• Sum of all divisors σ(n): 35888472748582272
• Sum of proper divisors (its aliquot sum) s(n): 22896867568573278
• 12991605180008994 is an abundant number, because the sum of its proper divisors (22896867568573278) is greater than itself. Its abundance is 9905262388564284

Bases of 12991605180008994

• Binary: 101110001001111100101111001011110100010000101000100010₂
• Hexadecimal: 0x2E27CBCBD10A22
• Base-36: 3JX510YVDWI

Squares and roots of 12991605180008994

• 12991605180008994 squared (12991605180008994²) is 168781805153236525393977920892036
• 12991605180008994 cubed (12991605180008994³) is 2192746574120056360629153307175998555766982971784
• The square root of 12991605180008994 is 113980722.8438607245
• The cube root of 12991605180008994 is 235082.8449725145

Scales and comparisons

• 12,991,605,180,008,994 seconds is equal to 413,092,859 years, 2 weeks, 4 days, 13 hours, 9 minutes, 54 seconds.
• To count from 1 to 12,991,605,180,008,994 would take you about one billion, two hundred thirty-nine million, two hundred seventy-eight thousand, five hundred seventy-seven 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 12991605180008994 cubic inches would be around 19590.2 feet tall.

Recreational maths with 12991605180008994

• 12991605180008994 backwards is 49980008150619921
• The number of decimal digits it has is: 17
• The sum of 12991605180008994's digits is 72
• More coming soon!