13091931718181396

Names of 13091931718181396

• Cardinal: 13091931718181396 can be written as Thirteen quadrillion, ninety-one trillion, nine hundred thirty-one billion, seven hundred eighteen million, one hundred eighty-one thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 1.3091931718181396 × 10¹⁶

Factors of 13091931718181396

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 819751941

Divisors of 13091931718181396

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 79 158 316 50543 101086 202172 3992897 7985794 15971588 819701317 1639402634 3278805268 64756404043 129512808086 259025616172 41430163665131 82860327330262 165720654660524 3272982929545349 6545965859090698 13091931718181396
• Sum of all divisors σ(n): 23201350713515520
• Sum of proper divisors (its aliquot sum) s(n): 10109418995334124
• 13091931718181396 is a deficient number, because the sum of its proper divisors (10109418995334124) is less than itself. Its deficiency is 2982512722847272

Bases of 13091931718181396

• Binary: 101110100000110000101011100011011111000110001000010100₂
• Hexadecimal: 0x2E830AE37C6214
• Base-36: 3KWPAEHCFF8

Squares and roots of 13091931718181396

• 13091931718181396 squared (13091931718181396²) is 171398676113524079615869560508816
• 13091931718181396 cubed (13091931718181396³) is 2243939764264945900932048769322088683823945187136
• The square root of 13091931718181396 is 114419979.5410810059
• The cube root of 13091931718181396 is 235686.4295095117

Scales and comparisons

• 13,091,931,718,181,396 seconds is equal to 416,282,932 years, 32 weeks, 6 days, 22 hours, 49 minutes, 56 seconds.
• To count from 1 to 13,091,931,718,181,396 would take you about one billion, two hundred forty-eight million, eight hundred forty-eight thousand, seven hundred ninety-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 13091931718181396 cubic inches would be around 19640.5 feet tall.

Recreational maths with 13091931718181396

• 13091931718181396 backwards is 69318181713919031
• The number of decimal digits it has is: 17
• The sum of 13091931718181396's digits is 71
• More coming soon!