138389480168979

Names of 138389480168979

• Cardinal: 138389480168979 can be written as One hundred thirty-eight trillion, three hundred eighty-nine billion, four hundred eighty million, one hundred sixty-eight thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.38389480168979 × 10¹⁴

Factors of 138389480168979

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 147020

Divisors of 138389480168979

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 39 109 307 327 727 921 1417 2181 3991 4251 9451 11973 28353 33463 79243 100389 145861 223189 237729 435019 437583 669567 1030159 1305057 1896193 2901457 3090477 5688579 8704371 15898849 24327601 44779327 47696547 72982803 106040947 134337981 206685037 316258813 318122841 582131251 620055111 948776439 1378532311 1746393753 4135596933 4880946643 11558463223 14642839929 32554570729 34675389669 63452306359 97663712187 150260021899 190356919077 423209419477 450780065697 1269628258431 3548448209461 10645344628383 46129826722993 138389480168979
• Sum of all divisors σ(n): 201467488302080
• Sum of proper divisors (its aliquot sum) s(n): 63078008133101
• 138389480168979 is a deficient number, because the sum of its proper divisors (63078008133101) is less than itself. Its deficiency is 75311472035878

Bases of 138389480168979

• Binary: 11111011101110101001111110011100101111000010011₂
• Hexadecimal: 0x7DDD4FCE5E13
• Base-36: 1D1Z8ZDR83

Squares and roots of 138389480168979

• 138389480168979 squared (138389480168979²) is 19151648221440231910393902441
• 138389480168979 cubed (138389480168979³) is 2650386641744264909969567701967171920577739
• The square root of 138389480168979 is 11763905.8211539161
• The cube root of 138389480168979 is 51725.0627259491

Scales and comparisons

• 138,389,480,168,979 seconds is equal to 4,400,357 years, 20 weeks, 6 days, 13 hours, 9 minutes, 39 seconds.
• To count from 1 to 138,389,480,168,979 would take you about eleven million, eight hundred ninety-three 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 138389480168979 cubic inches would be around 4310.4 feet tall.

Recreational maths with 138389480168979

• 138389480168979 backwards is 979861084983831
• The number of decimal digits it has is: 15
• The sum of 138389480168979's digits is 84
• More coming soon!