13428869689

Names of 13428869689

• Cardinal: 13428869689 can be written as Thirteen billion, four hundred twenty-eight million, eight hundred sixty-nine thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3428869689 × 10¹⁰

Factors of 13428869689

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 115883

Divisors of 13428869689

• Number of divisors d(n): 3
• Complete list of divisors:
  1 115883 13428869689
• Sum of all divisors σ(n): 13428985573
• Sum of proper divisors (its aliquot sum) s(n): 115884
• 13428869689 is a deficient number, because the sum of its proper divisors (115884) is less than itself. Its deficiency is 13428753805

Bases of 13428869689

• Binary: 1100100000011011000100101000111001₂
• Hexadecimal: 0x3206C4A39
• Base-36: 6637A61

Squares and roots of 13428869689

• 13428869689 squared (13428869689²) is 180334541124142956721
• 13428869689 cubed (13428869689³) is 2421689053181727337613475729769
• 13428869689 is a perfect square number. Its square root is 115883
• The cube root of 13428869689 is 2376.9122734557

Scales and comparisons

• 13,428,869,689 seconds is equal to 426 years, 51 weeks, 5 days, 17 hours, 34 minutes, 49 seconds.
• To count from 1 to 13,428,869,689 would take you about eight hundred fifty-three 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 13428869689 cubic inches would be around 198.1 feet tall.

Recreational maths with 13428869689

• 13428869689 backwards is 98696882431
• The number of decimal digits it has is: 11
• The sum of 13428869689's digits is 64
• More coming soon!