12978506329

Names of 12978506329

• Cardinal: 12978506329 can be written as Twelve billion, nine hundred seventy-eight million, five hundred six thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2978506329 × 10¹⁰

Factors of 12978506329

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 447534730

Divisors of 12978506329

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 447534701 12978506329
• Sum of all divisors σ(n): 13426041060
• Sum of proper divisors (its aliquot sum) s(n): 447534731
• 12978506329 is a deficient number, because the sum of its proper divisors (447534731) is less than itself. Its deficiency is 12530971598

Bases of 12978506329

• Binary: 1100000101100101000100101001011001₂
• Hexadecimal: 0x305944A59
• Base-36: 5YN2FKP

Squares and roots of 12978506329

• 12978506329 squared (12978506329²) is 168441626531893056241
• 12978506329 cubed (12978506329³) is 2186120716011228350774971449289
• The square root of 12978506329 is 113923.2475353473
• The cube root of 12978506329 is 2350.0381058557

Scales and comparisons

• 12,978,506,329 seconds is equal to 412 years, 35 weeks, 1 day, 4 hours, 38 minutes, 49 seconds.
• To count from 1 to 12,978,506,329 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 12978506329 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978506329

• 12978506329 backwards is 92360587921
• The number of decimal digits it has is: 11
• The sum of 12978506329's digits is 52
• More coming soon!