18268979

Names of 18268979

• Cardinal: 18268979 can be written as Eighteen million, two hundred sixty-eight thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8268979 × 10⁷

Factors of 18268979

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18268979

Divisors of 18268979

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18268979
• Sum of all divisors σ(n): 18268980
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18268979 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18268978

Bases of 18268979

• Binary: 1000101101100001100110011₂
• Hexadecimal: 0x116C333
• Base-36: AVKFN

Squares and roots of 18268979

• 18268979 squared (18268979²) is 333755593702441
• 18268979 cubed (18268979³) is 6097373932482426877739
• The square root of 18268979 is 4274.2226193777
• The cube root of 18268979 is 263.3731060295

Scales and comparisons

• 18,268,979 seconds is equal to 30 weeks, 1 day, 10 hours, 42 minutes, 59 seconds.
• To count from 1 to 18,268,979 would take you about forty-five 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 18268979 cubic inches would be around 21.9 feet tall.

Recreational maths with 18268979

• 18268979 backwards is 97986281
• The number of decimal digits it has is: 8
• The sum of 18268979's digits is 50
• More coming soon!