138671645625

Names of 138671645625

• Cardinal: 138671645625 can be written as One hundred thirty-eight billion, six hundred seventy-one million, six hundred forty-five thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.38671645625 × 10¹¹

Factors of 138671645625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2815

Divisors of 138671645625

• Number of divisors d(n): 200
• Complete list of divisors:
  1 3 5 9 15 17 25 27 45 51 59 75 81 85 125 135 153 177 225 255 295 375 405 425 459 531 625 675 765 885 1003 1125 1275 1377 1475 1593 1875 2025 2125 2295 2655 2731 3009 3375 3825 4425 4779 5015 5625 6375 6885 7375 7965 8193 9027 10125 10625 11475 13275 13655 15045 16875 19125 22125 23895 24579 25075 27081 31875 34425 36875 39825 40965 45135 46427 50625 57375 66375 68275 73737 75225 81243 95625 110625 119475 122895 125375 135405 139281 161129 172125 199125 204825 221211 225675 232135 286875 331875 341375 368685 376125 406215 417843 483387 597375 614475 626875 677025 696405 805645 860625 995625 1024125 1106055 1128375 1160675 1253529 1450161 1706875 1843425 1880625 2031075 2089215 2416935 2739193 2986875 3072375 3385125 3482025 3760587 4028225 4350483 5120625 5530275 5641875 5803375 6267645 7250805 8217579 9217125 10155375 10446075 12084675 13051449 13695965 15361875 16925625 17410125 18802935 20141125 21752415 24652737 27651375 29016875 31338225 36254025 41087895 46085625 50776875 52230375 60423375 65257245 68479825 73958211 87050625 94014675 100705625 108762075 123263685 138256875 156691125 181270125 205439475 221874633 261151875 302116875 326286225 342399125 369791055 470073375 543810375 616318425 783455625 906350625 1027197375 1109373165 1631431125 1711995625 1848955275 2350366875 2719051875 3081592125 5135986875 5546865825 8157155625 9244776375 15407960625 27734329125 46223881875 138671645625
• Sum of all divisors σ(n): 278830870560
• Sum of proper divisors (its aliquot sum) s(n): 140159224935
• 138671645625 is an abundant number, because the sum of its proper divisors (140159224935) is greater than itself. Its abundance is 1487579310

Bases of 138671645625

• Binary: 10000001001001011110010110001110111001₂
• Hexadecimal: 0x20497963B9
• Base-36: 1RPDIMK9

Squares and roots of 138671645625

• 138671645625 squared (138671645625²) is 19229825300345581640625
• 138671645625 cubed (138671645625³) is 2666631519480181687303256103515625
• The square root of 138671645625 is 372386.4197644699
• The cube root of 138671645625 is 5176.0193329175

Scales and comparisons

• 138,671,645,625 seconds is equal to 4,409 years, 17 weeks, 21 hours, 33 minutes, 45 seconds.
• To count from 1 to 138,671,645,625 would take you about eight thousand, eight hundred eighteen 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 138671645625 cubic inches would be around 431.3 feet tall.

Recreational maths with 138671645625

• 138671645625 backwards is 526546176831
• The number of decimal digits it has is: 12
• The sum of 138671645625's digits is 54
• More coming soon!