138389136534909

Names of 138389136534909

• Cardinal: 138389136534909 can be written as One hundred thirty-eight trillion, three hundred eighty-nine billion, one hundred thirty-six million, five hundred thirty-four thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.38389136534909 × 10¹⁴

Factors of 138389136534909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3581573

Divisors of 138389136534909

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 39 117 149 351 447 739 1341 1937 2217 4023 5811 6651 9607 17433 19953 28821 52299 86463 110111 259389 330333 990999 1431443 2972997 3580669 4294329 10742007 12882987 32226021 38648961 46548697 96678063 139646091 418938273 533519681 1256814819 1600559043 2646114391 4801677129 6935755853 7938343173 14405031387 20807267559 23815029519 34399487083 62421802677 71445088557 103198461249 187265408031 309595383747 394271044259 928786151241 1182813132777 3548439398331 5125523575367 10645318194993 15376570726101 46129712178303 138389136534909
• Sum of all divisors σ(n): 222574447200000
• Sum of proper divisors (its aliquot sum) s(n): 84185310665091
• 138389136534909 is a deficient number, because the sum of its proper divisors (84185310665091) is less than itself. Its deficiency is 54203825869818

Bases of 138389136534909

• Binary: 11111011101110100111011010100101110110101111101₂
• Hexadecimal: 0x7DDD3B52ED7D
• Base-36: 1D1Z3ASHH9

Squares and roots of 138389136534909

• 138389136534909 squared (138389136534909²) is 19151553110877684983375638281
• 138389136534909 cubed (138389136534909³) is 2650366898316813149516000541928594513251429
• The square root of 138389136534909 is 11763891.2157036287
• The cube root of 138389136534909 is 51725.0199131849

Scales and comparisons

• 138,389,136,534,909 seconds is equal to 4,400,346 years, 24 weeks, 5 days, 7 hours, 15 minutes, 9 seconds.
• To count from 1 to 138,389,136,534,909 would take you about eleven million, eight hundred sixty-six 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 138389136534909 cubic inches would be around 4310.4 feet tall.

Recreational maths with 138389136534909

• 138389136534909 backwards is 909435631983831
• The number of decimal digits it has is: 15
• The sum of 138389136534909's digits is 72
• More coming soon!