138920359375

Names of 138920359375

• Cardinal: 138920359375 can be written as One hundred thirty-eight billion, nine hundred twenty million, three hundred fifty-nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.38920359375 × 10¹¹

Factors of 138920359375

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 35

Divisors of 138920359375

• Number of divisors d(n): 126
• Complete list of divisors:
  1 5 7 23 25 35 49 115 125 161 175 245 343 529 575 625 805 875 1127 1225 1715 2401 2645 2875 3125 3703 4025 4375 5635 6125 7889 8575 12005 13225 14375 15625 16807 18515 20125 21875 25921 28175 30625 39445 42875 55223 60025 66125 71875 84035 92575 100625 109375 129605 140875 153125 181447 197225 214375 276115 300125 330625 359375 386561 420175 462875 503125 648025 704375 765625 907235 986125 1071875 1270129 1380575 1500625 1653125 1932805 2100875 2314375 2515625 3240125 3521875 4536175 4930625 5359375 6350645 6902875 7503125 8265625 8890903 9664025 10504375 11571875 16200625 17609375 22680875 24653125 31753225 34514375 37515625 44454515 48320125 52521875 57859375 81003125 113404375 123265625 158766125 172571875 222272575 241600625 262609375 405015625 567021875 793830625 862859375 1111362875 1208003125 2835109375 3969153125 5556814375 6040015625 19845765625 27784071875 138920359375
• Sum of all divisors σ(n): 211779007944
• Sum of proper divisors (its aliquot sum) s(n): 72858648569
• 138920359375 is a deficient number, because the sum of its proper divisors (72858648569) is less than itself. Its deficiency is 66061710806

Bases of 138920359375

• Binary: 10000001011000010011000111010111001111₂
• Hexadecimal: 0x20584C75CF
• Base-36: 1RTHLFBJ

Squares and roots of 138920359375

• 138920359375 squared (138920359375²) is 19298866248879150390625
• 138920359375 cubed (138920359375³) is 2681005434824349763210296630859375
• The square root of 138920359375 is 372720.2159462241
• The cube root of 138920359375 is 5179.1119581871

Scales and comparisons

• 138,920,359,375 seconds is equal to 4,417 years, 12 weeks, 2 days, 12 hours, 42 minutes, 55 seconds.
• To count from 1 to 138,920,359,375 would take you about eight thousand, eight hundred thirty-four 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 138920359375 cubic inches would be around 431.6 feet tall.

Recreational maths with 138920359375

• 138920359375 backwards is 573953029831
• The number of decimal digits it has is: 12
• The sum of 138920359375's digits is 55
• More coming soon!