138355223999999999

Names of 138355223999999999

• Cardinal: 138355223999999999 can be written as One hundred thirty-eight quadrillion, three hundred fifty-five trillion, two hundred twenty-three billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.38355223999999999 × 10¹⁷

Factors of 138355223999999999

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 759087936

Divisors of 138355223999999999

• Number of divisors d(n): 4
• Complete list of divisors:
  1 304056223 455031713 138355223999999999
• Sum of all divisors σ(n): 138355224759087936
• Sum of proper divisors (its aliquot sum) s(n): 759087937
• 138355223999999999 is a deficient number, because the sum of its proper divisors (759087937) is less than itself. Its deficiency is 138355223240912062

Bases of 138355223999999999

• Binary: 111101011100010010101011111011011010101101110111111111111₂
• Hexadecimal: 0x1EB8957DB56EFFF
• Base-36: 11UAU0GFKQ2N

Squares and roots of 138355223999999999

• 138355223999999999 squared (138355223999999999²) is 19142168008090175723289552000000001
• 138355223999999999 cubed (138355223999999999³) is 2648418942604950055252919975729472415065671999999999
• The square root of 138355223999999999 is 371961320.5697603163
• The cube root of 138355223999999999 is 517207.9446145995

Scales and comparisons

• 138,355,223,999,999,999 seconds is equal to 4,399,268,162 years, 20 weeks, 3 days, 2 hours, 39 minutes, 59 seconds.
• To count from 1 to 138,355,223,999,999,999 would take you about thirteen billion, one hundred ninety-seven million, eight hundred four thousand, four 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 138355223999999999 cubic inches would be around 43100.7 feet tall.

Recreational maths with 138355223999999999

• 138355223999999999 backwards is 999999999322553831
• The number of decimal digits it has is: 18
• The sum of 138355223999999999's digits is 113
• More coming soon!