1388926101840808

Names of 1388926101840808

• Cardinal: 1388926101840808 can be written as One quadrillion, three hundred eighty-eight trillion, nine hundred twenty-six billion, one hundred one million, eight hundred forty thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.388926101840808 × 10¹⁵

Factors of 1388926101840808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 976478261

Divisors of 1388926101840808

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 29 58 116 232 6131 12262 24524 49048 177799 355598 711196 1422392 976472099 1952944198 3905888396 7811776792 28317690871 56635381742 113270763484 226541526968 5986750438969 11973500877938 23947001755876 47894003511752 173615762730101 347231525460202 694463050920404 1388926101840808
• Sum of all divisors σ(n): 2694477112740000
• Sum of proper divisors (its aliquot sum) s(n): 1305551010899192
• 1388926101840808 is a deficient number, because the sum of its proper divisors (1305551010899192) is less than itself. Its deficiency is 83375090941616

Bases of 1388926101840808

• Binary: 100111011110011100010001110111010110110001110101000₂
• Hexadecimal: 0x4EF388EEB63A8
• Base-36: DOBZUC0YP4

Squares and roots of 1388926101840808

• 1388926101840808 squared (1388926101840808²) is 1929115716374702555966174092864
• 1388926101840808 cubed (1388926101840808³) is 2679399171944153403346413377365614349936794112
• The square root of 1388926101840808 is 37268298.8857931105
• The cube root of 1388926101840808 is 111573.1548011763

Scales and comparisons

• 1,388,926,101,840,808 seconds is equal to 44,163,553 years, 42 weeks, 2 hours, 53 minutes, 28 seconds.
• To count from 1 to 1,388,926,101,840,808 would take you about one hundred thirty-two million, four hundred ninety thousand, six hundred sixty-one 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 1388926101840808 cubic inches would be around 9297.8 feet tall.

Recreational maths with 1388926101840808

• 1388926101840808 backwards is 8080481016298831
• The number of decimal digits it has is: 16
• The sum of 1388926101840808's digits is 67
• More coming soon!