138555178125

Names of 138555178125

• Cardinal: 138555178125 can be written as One hundred thirty-eight billion, five hundred fifty-five million, one hundred seventy-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.38555178125 × 10¹¹

Factors of 138555178125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 59

Divisors of 138555178125

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 13 15 21 25 31 35 39 65 75 91 93 105 125 155 169 175 195 217 273 325 375 403 455 465 507 525 625 651 775 845 875 961 975 1085 1183 1209 1365 1625 1875 2015 2197 2275 2325 2535 2625 2821 2883 3125 3255 3549 3875 4225 4375 4805 4875 5239 5425 5915 6045 6591 6727 6825 8125 8463 9375 10075 10985 11375 11625 12493 12675 13125 14105 14415 15379 15717 16275 17745 19375 20181 21125 21875 24025 24375 26195 27125 29575 30225 32955 33635 34125 36673 37479 40625 42315 46137 50375 54925 56875 58125 62465 63375 65625 68107 70525 72075 76895 78585 81375 87451 88725 96875 100905 105625 110019 120125 121875 130975 135625 147875 151125 162409 164775 168175 170625 183365 187395 204321 211575 230685 251875 262353 274625 284375 290625 312325 316875 340535 352625 360375 384475 392925 406875 437255 443625 476749 487227 504525 528125 550095 600625 654875 678125 739375 755625 812045 823875 840875 853125 916825 936975 1021605 1057875 1136863 1153425 1259375 1311765 1373125 1430247 1561625 1584375 1702675 1763125 1801875 1922375 1964625 2034375 2111317 2186275 2218125 2383745 2436135 2522625 2750475 3003125 3274375 3410589 3696875 3778125 4060225 4119375 4204375 4584125 4684875 5108025 5289375 5684315 5767125 6333951 6558825 6865625 7151235 7808125 8513375 8815625 9009375 9611875 9823125 10556585 10931375 11090625 11918725 12180675 12613125 13752375 14779219 16371875 17052945 20301125 20596875 21021875 22920625 23424375 25540125 26446875 28421575 28835625 31669755 32794125 35756175 39040625 42566875 44337657 48059375 49115625 52782925 54656875 59593625 60903375 63065625 68761875 73896095 85264725 101505625 114603125 117121875 127700625 142107875 144178125 158348775 163970625 178780875 212834375 221688285 263914625 273284375 297968125 304516875 343809375 369480475 426323625 507528125 638503125 710539375 791743875 819853125 893904375 1108441425 1319573125 1489840625 1522584375 1847402375 2131618125 3552696875 3958719375 4469521875 5542207125 6597865625 9237011875 10658090625 19793596875 27711035625 46185059375 138555178125
• Sum of all divisors σ(n): 295398593280
• Sum of proper divisors (its aliquot sum) s(n): 156843415155
• 138555178125 is an abundant number, because the sum of its proper divisors (156843415155) is greater than itself. Its abundance is 18288237030

Bases of 138555178125

• Binary: 10000001000010100010000011110010001101₂
• Hexadecimal: 0x2042883C8D
• Base-36: 1RNG6BNX

Squares and roots of 138555178125

• 138555178125 squared (138555178125²) is 19197537385250478515625
• 138555178125 cubed (138555178125³) is 2659918211974726798473907470703125
• The square root of 138555178125 is 372230.0070185101
• The cube root of 138555178125 is 5174.5698491913

Scales and comparisons

• 138,555,178,125 seconds is equal to 4,405 years, 32 weeks, 3 days, 21 hours, 28 minutes, 45 seconds.
• To count from 1 to 138,555,178,125 would take you about eight thousand, eight hundred 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 138555178125 cubic inches would be around 431.2 feet tall.

Recreational maths with 138555178125

• 138555178125 backwards is 521871555831
• The number of decimal digits it has is: 12
• The sum of 138555178125's digits is 51
• More coming soon!