138728568132

Names of 138728568132

• Cardinal: 138728568132 can be written as One hundred thirty-eight billion, seven hundred twenty-eight million, five hundred sixty-eight thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 1.38728568132 × 10¹¹

Factors of 138728568132

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 561

Divisors of 138728568132

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 81 84 98 99 108 121 126 132 147 154 162 189 196 198 231 242 252 257 281 294 297 308 324 363 378 396 441 462 484 514 539 562 567 588 594 693 726 756 771 843 847 882 891 924 1028 1078 1089 1124 1134 1188 1323 1386 1452 1542 1617 1686 1694 1764 1782 1799 1967 2079 2156 2178 2268 2313 2529 2541 2646 2772 2827 3084 3091 3234 3267 3372 3388 3564 3598 3934 3969 4158 4356 4626 4851 5058 5082 5292 5397 5654 5901 5929 6182 6237 6468 6534 6939 7196 7587 7623 7868 7938 8316 8481 9252 9273 9702 9801 10116 10164 10794 11308 11802 11858 12364 12474 12593 13068 13769 13878 14553 15174 15246 15876 16191 16962 17703 17787 18546 19404 19602 19789 20817 21588 21637 22761 22869 23604 23716 24948 25186 25443 27538 27756 27819 29106 30348 30492 31097 32382 33924 34001 35406 35574 37092 37779 39204 39578 41307 41634 43274 43659 45522 45738 48573 50372 50886 53109 53361 55076 55638 58212 59367 62194 64764 64911 68002 68607 70812 71148 72217 75558 76329 79156 82614 83268 83457 86548 87318 91044 91476 93291 97146 101772 102003 106218 106722 111276 113337 118734 123921 124388 129822 136004 137214 138523 144434 145719 151116 151459 152658 159327 160083 165228 166914 174636 178101 186582 194292 194733 204006 212436 213444 216651 217679 226674 228987 237468 238007 247842 250371 259644 274428 277046 279873 288868 291438 302918 305316 306009 318654 320166 333828 340011 356202 371763 373164 389466 408012 415569 433302 435358 453348 454377 457974 476014 480249 495684 500742 505519 534303 554092 559746 582876 584199 605836 612018 637308 640332 649953 653037 680022 712404 714021 743526 778932 794387 831138 839619 866604 870716 908754 915948 918027 952028 960498 1001484 1011038 1020033 1068606 1115289 1119492 1168398 1224036 1246707 1299906 1306074 1360044 1363131 1428042 1487052 1516557 1523753 1588774 1602909 1662276 1666049 1679238 1752597 1817508 1836054 1920996 1949859 1959111 2022076 2040066 2137212 2142063 2230578 2336796 2383161 2493414 2518857 2599812 2612148 2726262 2754081 2856084 3033114 3047506 3177548 3205818 3332098 3358476 3505194 3538633 3672108 3740121 3899718 3918222 4080132 4089393 4284126 4461156 4549671 4571259 4766322 4986828 4998147 5037714 5452524 5508162 5560709 5849577 5877333 6066228 6095012 6411636 6426189 6664196 7010388 7077266 7149483 7480242 7799436 7836444 8178786 8568252 8738257 9099342 9142518 9532644 9996294 10075428 10615899 11016324 11121418 11220363 11699154 11754666 12268179 12852378 13649013 13713777 14154532 14298966 14960484 14994441 16357572 16682127 17476514 17631999 18198684 18285036 19278567 19992588 21231798 21448449 22242836 22440726 23398308 23509332 24536358 25704756 26214771 27298026 27427554 28597932 29988882 31847697 33364254 34953028 35263998 38557134 38924963 40947039 41141331 42463596 42896898 44881452 44983323 49072716 50046381 52429542 54596052 54855108 59977764 61167799 63695394 64345347 66728508 70527996 77114268 77849926 78644313 81894078 82282662 85793796 89966646 95543091 100092762 104859084 116774889 122335598 123423993 127390788 128690694 134949969 150139143 155699852 157288626 163788156 164565324 179933292 183503397 191086182 200185524 233549778 235932939 244671196 246847986 257381388 269899938 286629273 300278286 314577252 350324667 367006794 382172364 428174593 450417429 467099556 471865878 493695972 539799876 550510191 573258546 600556572 700649334 707798817 734013588 856349186 900834858 943731756 1050974001 1101020382 1146517092 1284523779 1401298668 1415597634 1651530573 1712698372 1801669716 2101948002 2202040764 2569047558 2831195268 3152922003 3303061146 3853571337 4203896004 4954591719 5138095116 6305844006 6606122292 7707142674 9909183438 11560714011 12611688012 15414285348 19818366876 23121428022 34682142033 46242856044 69364284066 138728568132
• Sum of all divisors σ(n): 467174060892
• Sum of proper divisors (its aliquot sum) s(n): 328445492760
• 138728568132 is an abundant number, because the sum of its proper divisors (328445492760) is greater than itself. Its abundance is 189716924628

Bases of 138728568132

• Binary: 10000001001100110111011111010101000100₂
• Hexadecimal: 0x204CDDF544
• Base-36: 1RQBEO90

Squares and roots of 138728568132

• 138728568132 squared (138728568132²) is 19245615615954965969424
• 138728568132 cubed (138728568132³) is 2669916697220291642732978812795968
• The square root of 138728568132 is 372462.8412768179
• The cube root of 138728568132 is 5176.7274605973

Scales and comparisons

• 138,728,568,132 seconds is equal to 4,411 years, 7 weeks, 1 day, 17 hours, 22 minutes, 12 seconds.
• To count from 1 to 138,728,568,132 would take you about eight thousand, eight hundred twenty-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 138728568132 cubic inches would be around 431.4 feet tall.

Recreational maths with 138728568132

• 138728568132 backwards is 231865827831
• 138728568132 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138728568132's digits is 54
• More coming soon!