138896303717305813798

Names of 138896303717305813798

• Cardinal: 138896303717305813798 can be written as One hundred thirty-eight quintillion, eight hundred ninety-six quadrillion, three hundred three trillion, seven hundred seventeen billion, three hundred five million, eight hundred thirteen thousand, seven hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38896303717305813798 × 10²⁰

Factors of 138896303717305813798

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3831445290867

Divisors of 138896303717305813798

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 2589407 5178814 18125849 36251698 3831442701451 7662885402902 26820098910157 53640197820314 9921164551236129557 19842329102472259114 69448151858652906899 138896303717305813798
• Sum of all divisors σ(n): 238108041184354089984
• Sum of proper divisors (its aliquot sum) s(n): 99211737467048276186
• 138896303717305813798 is a deficient number, because the sum of its proper divisors (99211737467048276186) is less than itself. Its deficiency is 39684566250257537612

Bases of 138896303717305813798

• Binary: 1111000011110010010110011000101001110100100110010000000101100100110₂
• Hexadecimal: 0x78792CC53A4C80B26
• Base-36: TB9OMFR2B8ZZA

Squares and roots of 138896303717305813798

• 138896303717305813798 squared (138896303717305813798²) is 19292183186330060828424808096411047184804
• 138896303717305813798 cubed (138896303717305813798³) is 2679612935218400747243900109640061044375938823625210119125592
• The square root of 138896303717305813798 is 11785427600.1045381585
• The cube root of 138896303717305813798 is 5178813.0000000011

Scales and comparisons

• 138,896,303,717,305,813,798 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,896,303,717,305,813,798 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138896303717305813798 cubic inches would be around 431567.8 feet tall.

Recreational maths with 138896303717305813798

• 138896303717305813798 backwards is 897318503717303698831
• The number of decimal digits it has is: 21
• The sum of 138896303717305813798's digits is 100
• More coming soon!