138681838204

Names of 138681838204

• Cardinal: 138681838204 can be written as One hundred thirty-eight billion, six hundred eighty-one million, eight hundred thirty-eight thousand, two hundred four.

Scientific notation

• Scientific notation: 1.38681838204 × 10¹¹

Factors of 138681838204

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 422

Divisors of 138681838204

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 31 38 43 49 52 62 76 86 91 98 124 133 172 182 196 217 247 266 301 307 343 364 403 434 494 532 559 589 602 614 637 686 806 817 868 931 988 1118 1178 1204 1228 1274 1333 1372 1519 1612 1634 1729 1862 2107 2149 2236 2356 2548 2666 2821 3038 3268 3458 3724 3913 3991 4123 4214 4298 4459 5332 5642 5719 5833 6076 6517 6916 7657 7826 7982 8246 8428 8596 8918 9331 9517 10621 10633 11284 11438 11666 12103 13034 13201 14749 15043 15314 15652 15964 16492 17329 17836 18662 19034 19747 21242 21266 22876 23332 24206 25327 26068 26402 27391 27937 28861 29498 30086 30628 34658 37324 38068 39494 40033 40831 42484 42532 48412 50654 52804 53599 54782 55874 57722 58996 60172 65317 66619 69316 74347 75829 78988 80066 81662 84721 92407 101308 105301 107198 109564 111748 115444 121303 123721 130634 133238 138229 148694 151658 160132 163324 169442 171613 177289 180823 184814 191737 195559 202027 210602 214396 242606 247442 250819 261268 266476 276458 280231 285817 297388 303316 329251 338884 343226 354578 361646 369628 375193 383474 391118 404054 409231 421204 457219 466333 485212 494884 501638 520429 530803 552916 560462 571634 646849 658502 686452 709156 723292 750386 766948 782236 808108 818462 849121 866047 914438 932666 1003276 1040858 1061606 1120924 1143268 1201291 1241023 1265761 1293698 1317004 1368913 1500772 1636924 1698242 1732094 1755733 1828876 1865332 2000719 2081716 2123212 2304757 2350699 2402582 2482046 2531522 2587396 2626351 2737826 2864617 3260647 3264331 3396484 3464188 3511466 3643003 3715621 4001438 4527943 4609514 4701398 4805164 4964092 5063044 5252702 5320003 5475652 5729234 5943847 6062329 6521294 6528662 7022932 7286006 7431242 7775389 8002876 8409037 8687161 8860327 9055886 9219028 9402796 10505404 10640006 11458468 11887694 12124658 12290131 13042588 13057324 14572012 14862484 15550778 16133299 16454893 16818074 17374322 17720654 18111772 20052319 21280012 22824529 23775388 24249316 24580262 26009347 31101556 32266598 32909786 33636148 34748644 35441308 37240021 40104638 42436303 45649058 49160524 52018694 54427723 58863259 62022289 64533196 65819572 74480042 80209276 84872606 86030917 91298116 101080057 104037388 108855446 112933093 115184251 117726518 124044578 140366233 148960084 159771703 169745212 172061834 202160114 217710892 225866186 230368502 235453036 248089156 260680147 280732466 319543406 344123668 380994061 404320228 451732372 460737004 521360294 561464932 639086812 707560399 761988122 806289757 1042720588 1118401921 1415120798 1523976244 1612579514 1824761029 2236803842 2666958427 2830241596 3225159028 3649522058 4473607684 4952922793 5333916854 7299044116 9905845586 10667833708 19811691172 34670459551 69340919102 138681838204
• Sum of all divisors σ(n): 339992576000
• Sum of proper divisors (its aliquot sum) s(n): 201310737796
• 138681838204 is an abundant number, because the sum of its proper divisors (201310737796) is greater than itself. Its abundance is 62628899592

Bases of 138681838204

• Binary: 10000001001010000101001110101001111100₂
• Hexadecimal: 0x204A14EA7C
• Base-36: 1RPJL37G

Squares and roots of 138681838204

• 138681838204 squared (138681838204²) is 19232652247640433945616
• 138681838204 cubed (138681838204³) is 2667219567241067601214267447113664
• The square root of 138681838204 is 372400.1049999851
• The cube root of 138681838204 is 5176.1461449351

Scales and comparisons

• 138,681,838,204 seconds is equal to 4,409 years, 33 weeks, 6 days, 20 hours, 50 minutes, 4 seconds.
• To count from 1 to 138,681,838,204 would take you about eight thousand, eight hundred nineteen 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 138681838204 cubic inches would be around 431.3 feet tall.

Recreational maths with 138681838204

• 138681838204 backwards is 402838186831
• 138681838204 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138681838204's digits is 52
• More coming soon!