12978920568527991

Names of 12978920568527991

• Cardinal: 12978920568527991 can be written as Twelve quadrillion, nine hundred seventy-eight trillion, nine hundred twenty billion, five hundred sixty-eight million, five hundred twenty-seven thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.2978920568527991 × 10¹⁶

Factors of 12978920568527991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 935

Divisors of 12978920568527991

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 7 9 11 21 27 33 37 49 63 77 99 111 121 147 189 231 259 297 333 343 363 407 441 539 693 777 847 877 999 1029 1089 1221 1323 1331 1369 1617 1813 2079 2331 2541 2631 2849 3087 3267 3663 3773 3993 4107 4477 4851 5439 5929 6139 6993 7623 7893 8547 9261 9317 9583 9647 10989 11319 11979 12321 12691 13431 14553 15059 16317 17787 18417 19943 22869 23679 25641 27951 28749 28941 31339 32449 33957 35937 36963 38073 40293 41503 42973 45177 48951 49247 53361 55251 59829 65219 67081 67529 76923 83853 86247 86823 94017 97347 101871 105413 106117 114219 120879 124509 128919 135531 139601 147741 160083 165649 165753 179487 195657 201243 202587 219373 227143 251559 258741 260469 282051 292041 300811 316239 318351 342657 344729 356939 373527 386757 406593 418803 443223 456533 469567 472703 496947 538461 586971 603729 607761 658119 681429 737891 742819 769129 846153 876123 902433 948717 955053 1034187 1070817 1120581 1159543 1160271 1167287 1200613 1256409 1329669 1369599 1408701 1418109 1490841 1535611 1590001 1760913 1811187 1822139 1823283 1974357 2044287 2213673 2228457 2307387 2413103 2498573 2707299 2846151 2865159 3102561 3212451 3308921 3478629 3501861 3601839 3769227 3926329 4108797 4226103 4254327 4472523 4606833 4770003 5165237 5199733 5383903 5466417 5923071 6132861 6641019 6685371 6922161 7239309 7495719 8116801 8121897 8171009 8404291 8460419 9307683 9637353 9926763 10435887 10505583 10805517 11130007 11778987 12326391 12678309 12754973 12762981 13206743 13820499 14310009 15495711 15599199 16151709 16399251 16891721 17490011 19923057 20056113 20766483 21717927 22487157 24350403 24513027 25212873 25381257 27484303 28457773 29780289 31307661 31516749 32416551 33390021 35336961 36398131 37687321 38264919 39620229 41461497 42930027 43189619 46487133 46797597 48455127 49197753 50675163 52470033 56817607 57197063 58830037 59222933 65153781 67461471 73051209 73539081 75638619 76143771 82452909 85373319 89284811 89340867 92447201 93064609 100170063 106010883 109194393 113061963 114794757 118860687 122430077 129568857 139461399 140392791 145274173 145365381 152025489 157410099 170452821 171591189 176490111 177668799 192390121 199204411 219153627 220617243 226915857 228431313 247358727 256119957 263811247 267854433 277341603 279193827 300510189 302327333 313035503 327583179 339185889 344384271 356582061 367290231 388706571 400379441 411810259 414560531 435822519 456076467 472230297 511358463 514773567 529470333 533006397 577170363 597613233 624993677 647130407 651452263 742076181 768359871 791433741 803563299 832024809 837581481 906981999 939106509 982749537 1016919211 1017557667 1023710699 1052937601 1101870693 1166119713 1201138323 1235430777 1243681593 1307467557 1346730847 1394430877 1534075389 1544320701 1588410999 1598015903 1599019191 1731511089 1792839699 1874981031 1941391221 1954356789 2116291331 2191248521 2374301223 2410689897 2496074427 2512744443 2720945997 2817319527 2901923717 3050757633 3071132097 3158812803 3305612079 3443390533 3603414969 3706292331 3731044779 3922402671 4040192541 4183292631 4529912849 4560165841 4794047709 5194533267 5378519097 5624943093 5824173663 5863070367 6348873993 6573745563 7118434477 7122903669 7165974893 7370563207 8162837991 8451958581 8705771151 9152272899 9213396291 9476438409 9761016139 10330171599 10810244907 11118876993 11186111321 11193134337 11582313611 12120577623 12549877893 13589738547 13680497523 14382143127 14814039317 15338739647 16874829279 17472520989 17589211101 19046621979 19721236689 21355303431 21497924679 22111689621 24103733731 26117313453 27456818697 27640188873 28429315227 29283048417 30990514797 31921160887 33558333963 34746940833 36361732869 37649633679 37877295863 40769215641 41041492569 43146429381 44442117951 46016218941 49829041339 50161824251 51593942449 57139865937 59163710067 64065910293 64493774037 66335068863 72311201193 78302779247 78351940359 81076195277 87849145251 92971544391 95763482661 100675001889 104240822499 107371177529 113631887589 122307646923 123124477707 127405449721 133326353853 138048656823 149487124017 150485472753 154781827347 168726136117 192197730879 193481322111 199005206589 216933603579 234908337741 243228585831 263547435753 265141071041 287290447983 302025005667 312722467497 322113532587 340895662767 351132769757 361157597143 382216349163 399979061559 414145970469 448461372051 451456418259 464345482041 506178408351 548119454729 567533366939 650800810737 704725013223 729685757493 795423213123 861871343949 891838148047 966340597761 1022686988301 1053398309271 1083472791429 1146649047489 1181082952819 1345384116153 1354369254777 1393036446123 1401459946931 1518535225053 1644358364187 1702600100817 1855987497287 2114175039669 2189057272479 2386269639369 2675514444141 2899021793283 3160194927813 3250418374287 3439947142467 3543248858457 3972733568573 4204379840793 4555605675159 4933075092561 5107800302451 5567962491861 6242867036329 7158808918107 8026543332423 9480584783439 9751255122861 9810219628517 10629746575371 11918200705719 12613139522379 12991912481009 14799225277683 15323400907353 16703887475583 18728601108987 24079629997269 29430658885551 31889239726113 35754602117157 37839418567137 38975737443027 43700069254303 50111662426749 56185803326961 68671537399619 88291976656653 107263806351471 116927212329081 131100207762909 168557409980883 206014612198857 264875929969959 350781636987243 393300623288727 480700761797333 618043836596571 1179901869866181 1442102285391999 1854131509789713 4326306856175997 12978920568527991
• Sum of all divisors σ(n): 25377558062976000
• Sum of proper divisors (its aliquot sum) s(n): 12398637494448009
• 12978920568527991 is a deficient number, because the sum of its proper divisors (12398637494448009) is less than itself. Its deficiency is 580283074079982

Bases of 12978920568527991

• Binary: 101110000111000100001001101110000011100001110001110111₂
• Hexadecimal: 0x2E1C426E0E1C77
• Base-36: 3JSN5SOPB3R

Squares and roots of 12978920568527991

• 12978920568527991 squared (12978920568527991²) is 168452379124158949123516550496081
• 12978920568527991 cubed (12978920568527991³) is 2186330048232021750586618337428670921306984303271
• The square root of 12978920568527991 is 113925065.5849185413
• The cube root of 12978920568527991 is 235006.3107919139

Scales and comparisons

• 12,978,920,568,527,991 seconds is equal to 412,689,527 years, 33 weeks, 2 days, 15 hours, 59 minutes, 51 seconds.
• To count from 1 to 12,978,920,568,527,991 would take you about one billion, two hundred thirty-eight million, sixty-eight thousand, five hundred eighty-two 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 12978920568527991 cubic inches would be around 19583.9 feet tall.

Recreational maths with 12978920568527991

• 12978920568527991 backwards is 19972586502987921
• The number of decimal digits it has is: 17
• The sum of 12978920568527991's digits is 90
• More coming soon!