138673828125

Names of 138673828125

• Cardinal: 138673828125 can be written as One hundred thirty-eight billion, six hundred seventy-three million, eight hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.38673828125 × 10¹¹

Factors of 138673828125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 38

Divisors of 138673828125

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 15 21 23 25 35 45 49 63 69 75 105 115 125 147 161 175 207 225 245 315 343 345 375 441 483 525 575 625 735 805 875 1029 1035 1125 1127 1225 1449 1575 1715 1725 1875 2205 2415 2625 2875 3087 3125 3381 3675 4025 4375 5145 5175 5625 5635 6125 7245 7875 7889 8575 8625 9375 10143 11025 12075 13125 14375 15435 15625 16905 18375 20125 21875 23667 25725 25875 28125 28175 30625 36225 39375 39445 42875 43125 46875 50715 55125 60375 65625 71001 71875 77175 78125 84525 91875 100625 109375 118335 128625 129375 140625 140875 153125 181125 196875 197225 214375 215625 234375 253575 275625 301875 328125 355005 359375 385875 390625 422625 459375 503125 546875 591675 643125 646875 703125 704375 765625 905625 984375 986125 1071875 1078125 1171875 1267875 1378125 1509375 1640625 1775025 1796875 1929375 1953125 2113125 2296875 2515625 2734375 2958375 3215625 3234375 3515625 3521875 3828125 4528125 4921875 4930625 5359375 5390625 5859375 6339375 6890625 7546875 8203125 8875125 8984375 9646875 10565625 11484375 12578125 13671875 14791875 16078125 16171875 17578125 17609375 19140625 22640625 24609375 24653125 26796875 26953125 31696875 34453125 37734375 41015625 44375625 44921875 48234375 52828125 57421875 62890625 73959375 80390625 80859375 88046875 95703125 113203125 123046875 123265625 133984375 134765625 158484375 172265625 188671875 221878125 241171875 264140625 287109375 314453125 369796875 401953125 404296875 440234375 566015625 616328125 669921875 792421875 861328125 943359375 1109390625 1205859375 1320703125 1848984375 2009765625 2201171875 2830078125 3081640625 3962109375 5546953125 6029296875 6603515625 9244921875 15408203125 19810546875 27734765625 46224609375 138673828125
• Sum of all divisors σ(n): 304687468800
• Sum of proper divisors (its aliquot sum) s(n): 166013640675
• 138673828125 is an abundant number, because the sum of its proper divisors (166013640675) is greater than itself. Its abundance is 27339812550

Bases of 138673828125

• Binary: 10000001001001100110101011000100011101₂
• Hexadecimal: 0x20499AB11D
• Base-36: 1RPETEL9

Squares and roots of 138673828125

• 138673828125 squared (138673828125²) is 19230430606842041015625
• 138673828125 cubed (138673828125³) is 2666757428742952644824981689453125
• The square root of 138673828125 is 372389.3501766665
• The cube root of 138673828125 is 5176.0464872383

Scales and comparisons

• 138,673,828,125 seconds is equal to 4,409 years, 20 weeks, 5 days, 3 hours, 48 minutes, 45 seconds.
• To count from 1 to 138,673,828,125 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 138673828125 cubic inches would be around 431.3 feet tall.

Recreational maths with 138673828125

• 138673828125 backwards is 521828376831
• The number of decimal digits it has is: 12
• The sum of 138673828125's digits is 54
• More coming soon!