138707680251040

Names of 138707680251040

• Cardinal: 138707680251040 can be written as One hundred thirty-eight trillion, seven hundred seven billion, six hundred eighty million, two hundred fifty-one thousand and forty.

Scientific notation

• Scientific notation: 1.3870768025104 × 10¹⁴

Factors of 138707680251040

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 931094

Divisors of 138707680251040

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 931087 1862174 3724348 4655435 7448696 9310870 14897392 18621740 29794784 37243480 74486960 148973920 866923001569 1733846003138 3467692006276 4334615007845 6935384012552 8669230015690 13870768025104 17338460031380 27741536050208 34676920062760 69353840125520 138707680251040
• Sum of all divisors σ(n): 327697246544346
• Sum of proper divisors (its aliquot sum) s(n): 188989566293306
• 138707680251040 is an abundant number, because the sum of its proper divisors (188989566293306) is greater than itself. Its abundance is 50281886042266

Bases of 138707680251040

• Binary: 11111100010011101100110000000100100110010100000₂
• Hexadecimal: 0x7E2766024CA0
• Base-36: 1D61FFHTWG

Squares and roots of 138707680251040

• 138707680251040 squared (138707680251040²) is 19239820560624752037421081600
• 138707680251040 cubed (138707680251040³) is 2668710878410523259225189163300876324864000
• The square root of 138707680251040 is 11777422.4790927833
• The cube root of 138707680251040 is 51764.6763357005

Scales and comparisons

• 138,707,680,251,040 seconds is equal to 4,410,475 years, 9 weeks, 2 days, 20 hours, 50 minutes, 40 seconds.
• To count from 1 to 138,707,680,251,040 would take you about eleven million, twenty-six thousand, one hundred eighty-seven 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 138707680251040 cubic inches would be around 4313.7 feet tall.

Recreational maths with 138707680251040

• 138707680251040 backwards is 040152086707831
• The number of decimal digits it has is: 15
• The sum of 138707680251040's digits is 52
• More coming soon!