918214139135999

Names of 918214139135999

• Cardinal: 918214139135999 can be written as Nine hundred eighteen trillion, two hundred fourteen billion, one hundred thirty-nine million, one hundred thirty-five thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 9.18214139135999 × 10¹⁴

Factors of 918214139135999

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 174083

Divisors of 918214139135999

• Number of divisors d(n): 32
• Complete list of divisors:
  1 29 37 151 1073 4379 5587 43457 130409 162023 1260253 1607909 3781861 4825133 6562007 19691759 46629361 139928857 190298203 242794259 571061011 728595083 5667183913 7041033511 21129257407 164348333477 209685804781 855744770863 6080888338649 24816598355027 31662556521931 918214139135999
• Sum of all divisors σ(n): 982039756118400
• Sum of proper divisors (its aliquot sum) s(n): 63825616982401
• 918214139135999 is a deficient number, because the sum of its proper divisors (63825616982401) is less than itself. Its deficiency is 854388522153598

Bases of 918214139135999

• Binary: 11010000110001110001100011100101110100011111111111₂
• Hexadecimal: 0x3431C639747FF
• Base-36: 91H9R2US5B

Squares and roots of 918214139135999

• 918214139135999 squared (918214139135999²) is 843117205309263730398217728001
• 918214139135999 cubed (918214139135999³) is 774162138863794921736382176321401618929407999
• The square root of 918214139135999 is 30302048.4313519471
• The cube root of 918214139135999 is 97195.9103971243

Scales and comparisons

• 918,214,139,135,999 seconds is equal to 29,196,369 years, 20 weeks, 6 days, 5 hours, 19 minutes, 59 seconds.
• To count from 1 to 918,214,139,135,999 would take you about seventy-two million, nine hundred ninety thousand, nine hundred twenty-three 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 918214139135999 cubic inches would be around 8099.7 feet tall.

Recreational maths with 918214139135999

• 918214139135999 backwards is 999531931412819
• The number of decimal digits it has is: 15
• The sum of 918214139135999's digits is 74
• More coming soon!