138704305812872

Names of 138704305812872

• Cardinal: 138704305812872 can be written as One hundred thirty-eight trillion, seven hundred four billion, three hundred five million, eight hundred twelve thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.38704305812872 × 10¹⁴

Factors of 138704305812872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 181064

Divisors of 138704305812872

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 8 23 46 92 184 529 1058 2116 4232 181039 362078 724156 1448312 4163897 8327794 16655588 33311176 95769631 191539262 383078524 766157048 32775119521 65550239042 131100478084 262200956168 753827748983 1507655497966 3015310995932 6030621991864 17338038226609 34676076453218 69352152906436 138704305812872
• Sum of all divisors σ(n): 271871118153495
• Sum of proper divisors (its aliquot sum) s(n): 133166812340623
• 138704305812872 is a deficient number, because the sum of its proper divisors (133166812340623) is less than itself. Its deficiency is 5537493472249

Bases of 138704305812872

• Binary: 11111100010011010011100111000000111010110001000₂
• Hexadecimal: 0x7E269CE07588
• Base-36: 1D5ZVMFWQW

Squares and roots of 138704305812872

• 138704305812872 squared (138704305812872²) is 19238884451030717288680888384
• 138704305812872 cubed (138704305812872³) is 2668516112394272656656208213969904222478848
• The square root of 138704305812872 is 11777279.2194492867
• The cube root of 138704305812872 is 51764.2565605403

Scales and comparisons

• 138,704,305,812,872 seconds is equal to 4,410,367 years, 45 weeks, 6 days, 20 hours, 54 minutes, 32 seconds.
• To count from 1 to 138,704,305,812,872 would take you about eleven million, twenty-five thousand, nine hundred nineteen 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 138704305812872 cubic inches would be around 4313.7 feet tall.

Recreational maths with 138704305812872

• 138704305812872 backwards is 278218503407831
• The number of decimal digits it has is: 15
• The sum of 138704305812872's digits is 59
• More coming soon!