138654360768

Names of 138654360768

• Cardinal: 138654360768 can be written as One hundred thirty-eight billion, six hundred fifty-four million, three hundred sixty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38654360768 × 10¹¹

Factors of 138654360768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 372

Divisors of 138654360768

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 49 56 64 66 77 84 88 96 98 112 121 132 147 154 168 176 192 196 224 231 242 264 294 308 336 349 352 363 392 448 462 484 528 539 588 616 672 698 704 726 784 847 924 968 1047 1056 1078 1176 1232 1344 1396 1452 1568 1617 1694 1848 1936 2094 2112 2156 2352 2443 2464 2541 2792 2904 3136 3234 3388 3696 3839 3872 4188 4312 4704 4886 4928 5082 5584 5808 5929 6468 6776 7329 7392 7678 7744 8376 8624 9408 9772 10164 11168 11517 11616 11858 12936 13552 14658 14784 15356 16752 17101 17248 17787 19544 20328 22336 23034 23232 23716 25872 26873 27104 29316 30712 33504 34202 34496 35574 39088 40656 42229 46068 47432 51303 51744 53746 54208 58632 61424 67008 68404 71148 78176 80619 81312 84458 92136 94864 102606 103488 107492 117264 121801 122848 126687 136808 142296 156352 161238 162624 168916 184272 188111 189728 205212 214984 234528 243602 245696 253374 273616 284592 295603 322476 337832 365403 368544 376222 379456 410424 429968 469056 487204 506748 547232 564333 569184 591206 644952 675664 730806 737088 752444 820848 852607 859936 886809 974408 1013496 1094464 1128666 1138368 1182412 1289904 1339811 1351328 1461612 1504888 1641696 1705214 1719872 1773618 1948816 2026992 2069221 2257332 2364824 2557821 2579808 2679622 2702656 2923224 3009776 3283392 3410428 3547236 3897632 4019433 4053984 4138442 4514664 4729648 5115642 5159616 5359244 5846448 5968249 6019552 6207663 6820856 7094472 7795264 8038866 8107968 8276884 9029328 9378677 9459296 10231284 10718488 11692896 11936498 12039104 12415326 13641712 14188944 14737921 16077732 16553768 17904747 18058656 18757354 18918592 20462568 21436976 23385792 23872996 24830652 27283424 28136031 28377888 29475842 32155464 33107536 35809494 36117312 37514708 40925136 42873952 44213763 47745992 49661304 54566848 56272062 56755776 58951684 64310928 65650739 66215072 71618988 75029416 81850272 85747904 88427526 95491984 99322608 103165447 112544124 117903368 128621856 131301478 132430144 143237976 150058832 163700544 176855052 190983968 196952217 198645216 206330894 225088248 235806736 257243712 262602956 286475952 300117664 309496341 353710104 381967936 393904434 397290432 412661788 450176496 471613472 525205912 572951904 600235328 618992682 707420208 722158129 787808868 825323576 900352992 943226944 1050411824 1145903808 1237985364 1414840416 1444316258 1575617736 1650647152 1800705984 2100823648 2166474387 2475970728 2829680832 2888632516 3151235472 3301294304 4201647296 4332948774 4951941456 5777265032 6302470944 6602588608 8665897548 9903882912 11554530064 12604941888 17331795096 19807765824 23109060128 34663590192 46218120256 69327180384 138654360768
• Sum of all divisors σ(n): 470421579348
• Sum of proper divisors (its aliquot sum) s(n): 331767218580
• 138654360768 is an abundant number, because the sum of its proper divisors (331767218580) is greater than itself. Its abundance is 193112857812

Bases of 138654360768

• Binary: 10000001001000011100011010010011000000₂
• Hexadecimal: 0x204871A4C0
• Base-36: 1RP385HC

Squares and roots of 138654360768

• 138654360768 squared (138654360768²) is 19225031759982697549824
• 138654360768 cubed (138654360768³) is 2665634489424898931511126550904832
• The square root of 138654360768 is 372363.2108143875
• The cube root of 138654360768 is 5175.8042673911

Scales and comparisons

• 138,654,360,768 seconds is equal to 4,408 years, 40 weeks, 3 days, 20 hours, 12 minutes, 48 seconds.
• To count from 1 to 138,654,360,768 would take you about eight thousand, eight hundred seventeen 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 138654360768 cubic inches would be around 431.3 feet tall.

Recreational maths with 138654360768

• 138654360768 backwards is 867063456831
• The number of decimal digits it has is: 12
• The sum of 138654360768's digits is 57
• More coming soon!