138642557456250

Names of 138642557456250

• Cardinal: 138642557456250 can be written as One hundred thirty-eight trillion, six hundred forty-two billion, five hundred fifty-seven million, four hundred fifty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3864255745625 × 10¹⁴

Factors of 138642557456250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12068

Divisors of 138642557456250

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 125 150 153 170 225 250 255 306 375 425 450 510 625 750 765 850 1125 1250 1275 1530 1875 2125 2250 2550 3125 3750 3825 4250 5625 6250 6375 7650 9375 10625 11250 12041 12750 18750 19125 21250 24082 28125 31875 36123 38250 53125 56250 60205 63750 72246 95625 106250 108369 120410 159375 180615 191250 204697 216738 301025 318750 361230 409394 478125 541845 602050 614091 903075 956250 1023485 1083690 1228182 1505125 1806150 1842273 2046970 2709225 3010250 3070455 3684546 4515375 5117425 5418450 6140910 7525625 9030750 9211365 10234850 13546125 15051250 15352275 18422730 22576875 25587125 27092250 30704550 37628125 45153750 46056825 51174250 67730625 75256250 76761375 92113650 112884375 127935625 135461250 144985681 153522750 225768750 230284125 255871250 289971362 338653125 383806875 434957043 460568250 639678125 677306250 724928405 767613750 869914086 1151420625 1279356250 1304871129 1449856810 1919034375 2174785215 2302841250 2464756577 2609742258 3624642025 3838068750 4349570430 4929513154 5757103125 6524355645 7249284050 7394269731 10873926075 11514206250 12323782885 13048711290 14788539462 18123210125 21747852150 22182809193 24647565770 32621778225 36246420250 36971348655 44365618386 54369630375 61618914425 65243556450 73942697310 90616050625 108739260750 110914045965 123237828850 163108891125 181232101250 184856743275 221828091930 271848151875 308094572125 326217782250 369713486550 453080253125 543696303750 554570229825 616189144250 815544455625 906160506250 924283716375 1109140459650 1359240759375 1540472860625 1631088911250 1848567432750 2718481518750 2772851149125 3080945721250 4077722278125 4621418581875 5545702298250 7702364303125 8155444556250 9242837163750 13864255745625 15404728606250 23107092909375 27728511491250 46214185818750 69321278728125 138642557456250
• Sum of all divisors σ(n): 397585496438676
• Sum of proper divisors (its aliquot sum) s(n): 258942938982426
• 138642557456250 is an abundant number, because the sum of its proper divisors (258942938982426) is greater than itself. Its abundance is 120300381526176

Bases of 138642557456250

• Binary: 11111100001100000111100011000110100111101111010₂
• Hexadecimal: 0x7E183C634F7A
• Base-36: 1D57IF2BUI

Squares and roots of 138642557456250

• 138642557456250 squared (138642557456250²) is 19221758738009582470664062500
• 138642557456250 cubed (138642557456250³) is 2664953790244669028452115115248291015625000
• The square root of 138642557456250 is 11774657.4241567639
• The cube root of 138642557456250 is 51756.5739530661

Scales and comparisons

• 138,642,557,456,250 seconds is equal to 4,408,404 years, 24 weeks, 5 days, 19 hours, 37 minutes, 30 seconds.
• To count from 1 to 138,642,557,456,250 would take you about eleven million, twenty-one thousand and eleven 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 138642557456250 cubic inches would be around 4313 feet tall.

Recreational maths with 138642557456250

• 138642557456250 backwards is 052654755246831
• The number of decimal digits it has is: 15
• The sum of 138642557456250's digits is 63
• More coming soon!