81349766590464

Names of 81349766590464

• Cardinal: 81349766590464 can be written as Eighty-one trillion, three hundred forty-nine billion, seven hundred sixty-six million, five hundred ninety thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 8.1349766590464 × 10¹³

Factors of 81349766590464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 530

Divisors of 81349766590464

• Number of divisors d(n): 702
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 127 128 144 152 171 192 228 254 256 288 304 342 361 379 381 384 456 508 512 576 608 684 722 758 762 768 912 1016 1024 1083 1137 1143 1152 1216 1368 1444 1516 1524 1536 1824 2032 2048 2166 2274 2286 2304 2413 2432 2736 2888 3032 3048 3072 3249 3411 3648 4064 4096 4332 4548 4572 4608 4826 4864 5472 5776 6064 6096 6144 6498 6822 7201 7239 7296 8128 8664 9096 9144 9216 9652 9728 10944 11552 12128 12192 12288 12996 13644 14402 14478 14592 16129 16256 17328 18192 18288 18432 19304 19456 21603 21717 21888 23104 24256 24384 25992 27288 28804 28956 29184 32258 32512 34656 36384 36576 36864 38608 38912 43206 43434 43776 45847 46208 48133 48387 48512 48768 51984 54576 57608 57912 58368 64516 64809 65024 69312 72768 73152 77216 77824 86412 86868 87552 91694 92416 96266 96774 97024 97536 103968 109152 115216 115824 116736 129032 129618 130048 136819 137541 138624 144399 145161 145536 146304 154432 172824 173736 175104 183388 184832 192532 193548 194048 195072 207936 218304 230432 231648 233472 258064 259236 260096 273638 275082 277248 288798 290322 291072 292608 306451 308864 345648 347472 350208 366776 369664 385064 387096 388096 390144 410457 412623 415872 433197 436608 460864 463296 516128 518472 520192 547276 550164 554496 577596 580644 582144 585216 612902 617728 691296 694944 700416 733552 739328 770128 774192 776192 780288 820914 825246 831744 866394 873216 914527 919353 921728 926592 1032256 1036944 1094552 1100328 1108992 1155192 1161288 1164288 1170432 1225804 1231371 1235456 1382592 1389888 1467104 1478656 1540256 1548384 1552384 1560576 1641828 1650492 1663488 1732788 1746432 1829054 1838706 1843456 1853184 2064512 2073888 2189104 2200656 2217984 2310384 2322576 2328576 2340864 2451608 2462742 2470912 2743581 2758059 2765184 2779776 2934208 3080512 3096768 3283656 3300984 3326976 3465576 3492864 3658108 3677412 3686912 3706368 4129024 4147776 4378208 4401312 4435968 4620768 4645152 4657152 4681728 4903216 4925484 4941824 5487162 5516118 5530368 5559552 5822569 5868416 6112891 6161024 6193536 6567312 6601968 6653952 6931152 6985728 7316216 7354824 7373824 7412736 8230743 8258048 8295552 8756416 8802624 9241536 9290304 9806432 9850968 9883648 10974324 11032236 11060736 11119104 11645138 11736832 12225782 12322048 12387072 13134624 13203936 13307904 13862304 13971456 14632432 14709648 14747648 14825472 16461486 16516096 16591104 17376013 17467707 17512832 17605248 18338673 18483072 18580608 19612864 19701936 21948648 22064472 22121472 22238208 23290276 23473664 24451564 24644096 24774144 26269248 26407872 27724608 29264864 29419296 29495296 29650944 32922972 33032192 33182208 34752026 34935414 35025664 35210496 36677346 36966144 37161216 39225728 39403872 43897296 44128944 44242944 44476416 46580552 46947328 48903128 49288192 49548288 52128039 52403121 52538496 52815744 55016019 55449216 58529728 58838592 65845944 66064384 66364416 69504052 69870828 70051328 70420992 73354692 73932288 74322432 78451456 78807744 87794592 88257888 88485888 88952832 93161104 93894656 97806256 98576384 99096576 104256078 104806242 105076992 105631488 110032038 110898432 116144929 117059456 117677184 131691888 132728832 139008104 139741656 140102656 140841984 146709384 147864576 148644864 156384117 156902912 157615488 175589184 176515776 186322208 187789312 195612512 197152768 198193152 208512156 209612484 210153984 211262976 220064076 221796864 232289858 234118912 235354368 263383776 265457664 278016208 279483312 280205312 281683968 293418768 295729152 297289728 312768234 313805824 315230976 348434787 351178368 353031552 372644416 391225024 417024312 419224968 420307968 422525952 440128152 443593728 464579716 468237824 470708736 526767552 556032416 558966624 560410624 563367936 586837536 591458304 594579456 625536468 627611648 630461952 696869574 702356736 706063104 745288832 782450048 834048624 838449936 840615936 845051904 880256304 887187456 929159432 936475648 941417472 1045304361 1053535104 1112064832 1117933248 1173675072 1251072936 1255223296 1260923904 1393739148 1404713472 1412126208 1490577664 1564900096 1668097248 1676899872 1681231872 1690103808 1760512608 1774374912 1858318864 1872951296 1882834944 2090608722 2107070208 2206753651 2224129664 2235866496 2347350144 2502145872 2521847808 2787478296 2809426944 2824252416 2981155328 3129800192 3336194496 3353799744 3521025216 3716637728 3745902592 3765669888 4181217444 4214140416 4413507302 4448259328 4471732992 4694700288 5004291744 5043695616 5574956592 5618853888 5648504832 5962310656 6259600384 6620260953 6672388992 6707599488 7042050432 7433275456 8362434888 8428280832 8827014604 8896518656 8943465984 9389400576 10008583488 11149913184 11237707776 11297009664 11924621312 12519200768 13240521906 13344777984 13415198976 14084100864 14866550912 16724869776 16856561664 17654029208 17793037312 17886931968 18778801152 19860782859 20017166976 22299826368 23849242624 25038401536 26481043812 26689555968 26830397952 28168201728 29733101824 33449739552 33713123328 35308058416 35586074624 35773863936 37557602304 39721565718 40034333952 44599652736 52962087624 53379111936 53660795904 56336403456 59466203648 66899479104 70616116832 71172149248 71547727872 75115204608 79443131436 80068667904 89199305472 105924175248 106758223872 107321591808 112672806912 118932407296 133798958208 141232233664 158886262872 160137335808 178398610944 211848350496 213516447744 214643183616 225345613824 237864814592 267597916416 282464467328 317772525744 320274671616 356797221888 423696700992 475729629184 535195832832 564928934656 635545051488 640549343232 713594443776 847393401984 1070391665664 1129857869312 1271090102976 1427188887552 1694786803968 2140783331328 2259715738624 2542180205952 3389573607936 4281566662656 4519431477248 5084360411904 6779147215872 9038862954496 10168720823808 13558294431744 20337441647616 27116588863488 40674883295232 81349766590464
• Sum of all divisors σ(n): 250627808286180
• Sum of proper divisors (its aliquot sum) s(n): 169278041695716
• 81349766590464 is an abundant number, because the sum of its proper divisors (169278041695716) is greater than itself. Its abundance is 87928275105252

Bases of 81349766590464

• Binary: 10010011111110010110111111100001011000000000000₂
• Hexadecimal: 0x49FCB7F0B000
• Base-36: SU3KEN0G0

Squares and roots of 81349766590464

• 81349766590464 squared (81349766590464²) is 6617784524322972811495735296
• 81349766590464 cubed (81349766590464³) is 538355226399658668009379994494558581817344
• The square root of 81349766590464 is 9019410.5456212603
• The cube root of 81349766590464 is 43329.6755488639

Scales and comparisons

• 81,349,766,590,464 seconds is equal to 2,586,670 years, 49 weeks, 1 day, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 81,349,766,590,464 would take you about six million, four hundred sixty-six thousand, six 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 81349766590464 cubic inches would be around 3610.8 feet tall.

Recreational maths with 81349766590464

• 81349766590464 backwards is 46409566794318
• 81349766590464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81349766590464's digits is 72
• More coming soon!