12008991

Names of 12008991

• Cardinal: 12008991 can be written as Twelve million, eight thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.2008991 × 10⁷

Factors of 12008991

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4003000

Divisors of 12008991

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 4002997 12008991
• Sum of all divisors σ(n): 16011992
• Sum of proper divisors (its aliquot sum) s(n): 4003001
• 12008991 is a deficient number, because the sum of its proper divisors (4003001) is less than itself. Its deficiency is 8005990

Bases of 12008991

• Binary: 101101110011111000011111₂
• Hexadecimal: 0xB73E1F
• Base-36: 75E73

Squares and roots of 12008991

• 12008991 squared (12008991²) is 144215864838081
• 12008991 cubed (12008991³) is 1731887022897731186271
• The square root of 12008991 is 3465.3991112137
• The cube root of 12008991 is 229.0000127127

Scales and comparisons

• 12,008,991 seconds is equal to 19 weeks, 5 days, 23 hours, 49 minutes, 51 seconds.
• To count from 1 to 12,008,991 would take you about twenty-nine weeks!

  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 12008991 cubic inches would be around 19.1 feet tall.

Recreational maths with 12008991

• 12008991 backwards is 19980021
• The number of decimal digits it has is: 8
• The sum of 12008991's digits is 30
• More coming soon!