13853879408724991

Names of 13853879408724991

• Cardinal: 13853879408724991 can be written as Thirteen quadrillion, eight hundred fifty-three trillion, eight hundred seventy-nine billion, four hundred eight million, seven hundred twenty-four thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.3853879408724991 × 10¹⁶

Factors of 13853879408724991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 72509409

Divisors of 13853879408724991

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7159 26701 72475549 191152459 518852455291 1935169633849 13853879408724991
• Sum of all divisors σ(n): 13856333694476000
• Sum of proper divisors (its aliquot sum) s(n): 2454285751009
• 13853879408724991 is a deficient number, because the sum of its proper divisors (2454285751009) is less than itself. Its deficiency is 13851425122973982

Bases of 13853879408724991

• Binary: 110001001110000000011110101000111010110000101111111111₂
• Hexadecimal: 0x313807A8EB0BFF
• Base-36: 3SESGC7DZI7

Squares and roots of 13853879408724991

• 13853879408724991 squared (13853879408724991²) is 191929974671494306236296267950081
• 13853879408724991 cubed (13853879408724991³) is 2658974724018524038023332177313436205429445174271
• The square root of 13853879408724991 is 117702503.8337120125
• The cube root of 13853879408724991 is 240172.7888151879

Scales and comparisons

• 13,853,879,408,724,991 seconds is equal to 440,510,512 years, 17 weeks, 2 days, 20 hours, 56 minutes, 31 seconds.
• To count from 1 to 13,853,879,408,724,991 would take you about one billion, three hundred twenty-one million, five hundred thirty-one thousand, five hundred thirty-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 13853879408724991 cubic inches would be around 20014.4 feet tall.

Recreational maths with 13853879408724991

• 13853879408724991 backwards is 19942780497835831
• The number of decimal digits it has is: 17
• The sum of 13853879408724991's digits is 88
• More coming soon!