155113398520815

Names of 155113398520815

• Cardinal: 155113398520815 can be written as One hundred fifty-five trillion, one hundred thirteen billion, three hundred ninety-eight million, five hundred twenty thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.55113398520815 × 10¹⁴

Factors of 155113398520815

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 50608551

Divisors of 155113398520815

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 7 15 21 35 105 29207 87621 146035 204449 438105 613347 1022245 3066735 50579329 151737987 252896645 354055303 758689935 1062165909 1770276515 5310829545 1477270462103 4431811386309 7386352310515 10340893234721 22159056931545 31022679704163 51704466173605 155113398520815
• Sum of all divisors σ(n): 283645645562880
• Sum of proper divisors (its aliquot sum) s(n): 128532247042065
• 155113398520815 is a deficient number, because the sum of its proper divisors (128532247042065) is less than itself. Its deficiency is 26581151478750

Bases of 155113398520815

• Binary: 100011010001001100100111000001001100101111101111₂
• Hexadecimal: 0x8D132704CBEF
• Base-36: 1IZE40KIR3

Squares and roots of 155113398520815

• 155113398520815 squared (155113398520815²) is 24060166400677173029988264225
• 155113398520815 cubed (155113398520815³) is 3732054179385361373684117435674924382343375
• The square root of 155113398520815 is 12454452.9595167287
• The cube root of 155113398520815 is 53729.9501663079

Scales and comparisons

• 155,113,398,520,815 seconds is equal to 4,932,126 years, 14 weeks, 2 days, 8 hours, 40 minutes, 15 seconds.
• To count from 1 to 155,113,398,520,815 would take you about twelve million, three hundred thirty thousand, three hundred fifteen 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 155113398520815 cubic inches would be around 4477.5 feet tall.

Recreational maths with 155113398520815

• 155113398520815 backwards is 518025893311551
• The number of decimal digits it has is: 15
• The sum of 155113398520815's digits is 57
• More coming soon!