12988807105

Names of 12988807105

• Cardinal: 12988807105 can be written as Twelve billion, nine hundred eighty-eight million, eight hundred seven thousand, one hundred five.

Scientific notation

• Scientific notation: 1.2988807105 × 10¹⁰

Factors of 12988807105

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 173783

Divisors of 12988807105

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 16519 82595 157259 786295 2597761421 12988807105
• Sum of all divisors σ(n): 15587611200
• Sum of proper divisors (its aliquot sum) s(n): 2598804095
• 12988807105 is a deficient number, because the sum of its proper divisors (2598804095) is less than itself. Its deficiency is 10390003010

Bases of 12988807105

• Binary: 1100000110001100010111011111000001₂
• Hexadecimal: 0x3063177C1
• Base-36: 5YT77PD

Squares and roots of 12988807105

• 12988807105 squared (12988807105²) is 168709110010898481025
• 12988807105 cubed (12988807105³) is 2191330086787784817771227682625
• The square root of 12988807105 is 113968.4478485163
• The cube root of 12988807105 is 2350.6596672297

Scales and comparisons

• 12,988,807,105 seconds is equal to 413 years, 1 day, 9 hours, 58 minutes, 25 seconds.
• To count from 1 to 12,988,807,105 would take you about eight hundred twenty-six 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 12988807105 cubic inches would be around 195.9 feet tall.

Recreational maths with 12988807105

• 12988807105 backwards is 50170888921
• The number of decimal digits it has is: 11
• The sum of 12988807105's digits is 49
• More coming soon!