138478105399656

Names of 138478105399656

• Cardinal: 138478105399656 can be written as One hundred thirty-eight trillion, four hundred seventy-eight billion, one hundred five million, three hundred ninety-nine thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.38478105399656 × 10¹⁴

Factors of 138478105399656

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 979

Divisors of 138478105399656

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 11 12 19 22 24 33 37 38 44 57 66 74 76 88 111 114 132 148 152 209 222 228 264 296 407 418 444 456 627 703 814 836 888 907 1221 1254 1406 1628 1672 1814 2109 2442 2508 2721 2812 3256 3628 4218 4884 5016 5442 5624 7256 7733 8436 9768 9977 10884 15466 16872 17233 19954 21768 23199 29931 30932 33559 34466 39908 46398 51699 59862 61864 67118 68932 79816 92796 100677 103398 119724 134236 137864 185592 189563 201354 206796 239448 268472 369149 379126 402708 413592 568689 637621 738298 758252 805416 822649 1107447 1137378 1275242 1476596 1516504 1645298 1912863 2214894 2274756 2467947 2550484 2953192 3290596 3825726 4429788 4549512 4935894 5100968 6581192 7013831 7651452 8859576 9049139 9871788 14027662 15302904 15630331 18098278 19743576 21041493 27147417 28055324 30438013 31260662 36196556 42082986 46890993 54294834 56110648 60876026 62521324 72393112 84165972 91314039 93781986 108589668 121752052 125042648 168331944 171933641 182628078 187563972 217179336 243504104 334818143 343867282 365256156 375127944 515800923 578322247 669636286 687734564 730512312 746142643 1004454429 1031601846 1156644494 1339272572 1375469128 1492285286 1734966741 2008908858 2063203692 2238427929 2313288988 2678545144 2984570572 3469933482 4017817716 4126407384 4476855858 4626577976 5969141144 6361544717 6939866964 8035635432 8207569073 8953711716 12723089434 13879733928 14176710217 16415138146 17907423432 19084634151 24622707219 25446178868 27607277791 28353420434 32830276292 38169268302 42530130651 49245414438 50892357736 55214555582 56706840868 65660552584 76338536604 82821833373 85060261302 98490828876 110429111164 113413681736 152677073208 155943812387 165643666746 170120522604 196981657752 220858222328 303680055701 311887624774 331287333492 340241045208 467831437161 524538278029 607360111402 623775249548 662574666984 911040167103 935662874322 1049076556058 1214720222804 1247550499096 1573614834087 1822080334206 1871325748644 2098153112116 2429440445608 3147229668174 3644160668412 3742651497288 4196306224232 5769921058319 6294459336348 7288321336824 11539842116638 12588918672696 17309763174957 23079684233276 34619526349914 46159368466552 69239052699828 138478105399656
• Sum of all divisors σ(n): 408739904640000
• Sum of proper divisors (its aliquot sum) s(n): 270261799240344
• 138478105399656 is an abundant number, because the sum of its proper divisors (270261799240344) is greater than itself. Its abundance is 131783693840688

Bases of 138478105399656

• Binary: 11111011111000111110010010010000001000101101000₂
• Hexadecimal: 0x7DF1F2481168
• Base-36: 1D33YOK0VC

Squares and roots of 138478105399656

• 138478105399656 squared (138478105399656²) is 19176185675078236223484918336
• 138478105399656 cubed (138478105399656³) is 2655481861076857541129615563382121802492416
• The square root of 138478105399656 is 11767672.0467412755
• The cube root of 138478105399656 is 51736.1020221665

Scales and comparisons

• 138,478,105,399,656 seconds is equal to 4,403,175 years, 21 weeks, 2 days, 12 hours, 47 minutes, 36 seconds.
• To count from 1 to 138,478,105,399,656 would take you about eleven million, seven thousand, nine hundred thirty-eight 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 138478105399656 cubic inches would be around 4311.3 feet tall.

Recreational maths with 138478105399656

• 138478105399656 backwards is 656993501874831
• The number of decimal digits it has is: 15
• The sum of 138478105399656's digits is 75
• More coming soon!