12978512896

Names of 12978512896

• Cardinal: 12978512896 can be written as Twelve billion, nine hundred seventy-eight million, five hundred twelve thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.2978512896 × 10¹⁰

Factors of 12978512896

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 14412

Divisors of 12978512896

• Number of divisors d(n): 44
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 941 1024 1882 3764 7528 13469 15056 26938 30112 53876 60224 107752 120448 215504 240896 431008 481792 862016 963584 1724032 3448064 6896128 12674329 13792256 25348658 50697316 101394632 202789264 405578528 811157056 1622314112 3244628224 6489256448 12978512896
• Sum of all divisors σ(n): 25973850780
• Sum of proper divisors (its aliquot sum) s(n): 12995337884
• 12978512896 is an abundant number, because the sum of its proper divisors (12995337884) is greater than itself. Its abundance is 16824988

Bases of 12978512896

• Binary: 1100000101100101000110010000000000₂
• Hexadecimal: 0x305946400
• Base-36: 5YN2KN4

Squares and roots of 12978512896

• 12978512896 squared (12978512896²) is 168441796991638306816
• 12978512896 cubed (12978512896³) is 2186124034481391769179060699136
• The square root of 12978512896 is 113923.2763573801
• The cube root of 12978512896 is 2350.0385022211

Scales and comparisons

• 12,978,512,896 seconds is equal to 412 years, 35 weeks, 1 day, 6 hours, 28 minutes, 16 seconds.
• To count from 1 to 12,978,512,896 would take you about eight hundred twenty-five 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 12978512896 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978512896

• 12978512896 backwards is 69821587921
• The number of decimal digits it has is: 11
• The sum of 12978512896's digits is 58
• More coming soon!