139609309018

Names of 139609309018

• Cardinal: 139609309018 can be written as One hundred thirty-nine billion, six hundred nine million, three hundred nine thousand and eighteen.

Scientific notation

• Scientific notation: 1.39609309018 × 10¹¹

Factors of 139609309018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 37602

Divisors of 139609309018

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 41 53 82 106 877 1754 2173 4346 35957 36629 46481 71914 73258 92962 1501789 1905721 1941337 3003578 3811442 3882674 32123633 64247266 79594817 159189634 1317068953 1702552549 2634137906 3405105098 69804654509 139609309018
• Sum of all divisors σ(n): 218824396560
• Sum of proper divisors (its aliquot sum) s(n): 79215087542
• 139609309018 is a deficient number, because the sum of its proper divisors (79215087542) is less than itself. Its deficiency is 60394221476

Bases of 139609309018

• Binary: 10000010000001010111001111111101011010₂
• Hexadecimal: 0x20815CFF5A
• Base-36: 1S4VS09M

Squares and roots of 139609309018

• 139609309018 squared (139609309018²) is 19490759164483416124324
• 139609309018 cubed (139609309018³) is 2721091419189780732037033222353832
• The square root of 139609309018 is 373643.2911454453
• The cube root of 139609309018 is 5187.6594574591

Scales and comparisons

• 139,609,309,018 seconds is equal to 4,439 years, 7 weeks, 3 days, 11 hours, 36 minutes, 58 seconds.
• To count from 1 to 139,609,309,018 would take you about eight thousand, eight hundred seventy-eight 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 139609309018 cubic inches would be around 432.3 feet tall.

Recreational maths with 139609309018

• 139609309018 backwards is 810903906931
• The number of decimal digits it has is: 12
• The sum of 139609309018's digits is 49
• More coming soon!