13408842438

Names of 13408842438

• Cardinal: 13408842438 can be written as Thirteen billion, four hundred eight million, eight hundred forty-two thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3408842438 × 10¹⁰

Factors of 13408842438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2084

Divisors of 13408842438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 54 331 662 757 991 993 1514 1982 1986 2271 2973 2979 4542 5946 5958 6813 8919 8937 13626 17838 17874 20439 26757 40878 53514 250567 328021 501134 656042 750187 751701 984063 1500374 1503402 1968126 2250561 2255103 2952189 4501122 4510206 5904378 6751683 6765309 8856567 13503366 13530618 17713134 20255049 40510098 248311897 496623794 744935691 1489871382 2234807073 4469614146 6704421219 13408842438
• Sum of all divisors σ(n): 29957130240
• Sum of proper divisors (its aliquot sum) s(n): 16548287802
• 13408842438 is an abundant number, because the sum of its proper divisors (16548287802) is greater than itself. Its abundance is 3139445364

Bases of 13408842438

• Binary: 1100011111001110101011001011000110₂
• Hexadecimal: 0x31F3AB2C6
• Base-36: 65RA11I

Squares and roots of 13408842438

• 13408842438 squared (13408842438²) is 179797055527109783844
• 13408842438 cubed (13408842438³) is 2410870388379352129092433971672
• The square root of 13408842438 is 115796.5562441301
• The cube root of 13408842438 is 2375.7300765965

Scales and comparisons

• 13,408,842,438 seconds is equal to 426 years, 18 weeks, 4 days, 22 hours, 27 minutes, 18 seconds.
• To count from 1 to 13,408,842,438 would take you about eight hundred fifty-two 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 13408842438 cubic inches would be around 198 feet tall.

Recreational maths with 13408842438

• 13408842438 backwards is 83424880431
• The number of decimal digits it has is: 11
• The sum of 13408842438's digits is 45
• More coming soon!