18868001

Names of 18868001

• Cardinal: 18868001 can be written as Eighteen million, eight hundred sixty-eight thousand and one.

Scientific notation

• Scientific notation: 1.8868001 × 10⁷

Factors of 18868001

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18868001

Divisors of 18868001

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18868001
• Sum of all divisors σ(n): 18868002
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18868001 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18868000

Bases of 18868001

• Binary: 1000111111110011100100001₂
• Hexadecimal: 0x11FE721
• Base-36: B8EN5

Squares and roots of 18868001

• 18868001 squared (18868001²) is 356001461736001
• 18868001 cubed (18868001³) is 6717035936036328604001
• The square root of 18868001 is 4343.7312301753
• The cube root of 18868001 is 266.2207873495

Scales and comparisons

• 18,868,001 seconds is equal to 31 weeks, 1 day, 9 hours, 6 minutes, 41 seconds.
• To count from 1 to 18,868,001 would take you about forty-six 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 18868001 cubic inches would be around 22.2 feet tall.

Recreational maths with 18868001

• 18868001 backwards is 10086881
• The number of decimal digits it has is: 8
• The sum of 18868001's digits is 32
• More coming soon!