12826764721

Names of 12826764721

• Cardinal: 12826764721 can be written as Twelve billion, eight hundred twenty-six million, seven hundred sixty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.2826764721 × 10¹⁰

Factors of 12826764721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 7953730

Divisors of 12826764721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1613 7952117 12826764721
• Sum of all divisors σ(n): 12834718452
• Sum of proper divisors (its aliquot sum) s(n): 7953731
• 12826764721 is a deficient number, because the sum of its proper divisors (7953731) is less than itself. Its deficiency is 12818810990

Bases of 12826764721

• Binary: 1011111100100010001110010110110001₂
• Hexadecimal: 0x2FC88E5B1
• Base-36: 5W4Q301

Squares and roots of 12826764721

• 12826764721 squared (12826764721²) is 164525893207890207841
• 12826764721 cubed (12826764721³) is 2110334922689979636776296377361
• The square root of 12826764721 is 113255.3076946063
• The cube root of 12826764721 is 2340.8434829623

Scales and comparisons

• 12,826,764,721 seconds is equal to 407 years, 44 weeks, 1 day, 22 hours, 12 minutes, 1 second.
• To count from 1 to 12,826,764,721 would take you about eight hundred fifteen 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 12826764721 cubic inches would be around 195.1 feet tall.

Recreational maths with 12826764721

• 12826764721 backwards is 12746762821
• The number of decimal digits it has is: 11
• The sum of 12826764721's digits is 46
• More coming soon!