18147189

Names of 18147189

• Cardinal: 18147189 can be written as Eighteen million, one hundred forty-seven thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8147189 × 10⁷

Factors of 18147189

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 68059

Divisors of 18147189

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 89 267 67967 203901 6049063 18147189
• Sum of all divisors σ(n): 24468480
• Sum of proper divisors (its aliquot sum) s(n): 6321291
• 18147189 is a deficient number, because the sum of its proper divisors (6321291) is less than itself. Its deficiency is 11825898

Bases of 18147189

• Binary: 1000101001110011101110101₂
• Hexadecimal: 0x114E775
• Base-36: ASYGL

Squares and roots of 18147189

• 18147189 squared (18147189²) is 329320468601721
• 18147189 cubed (18147189³) is 5976240785283996712269
• The square root of 18147189 is 4259.9517602903
• The cube root of 18147189 is 262.7865424281

Scales and comparisons

• 18,147,189 seconds is equal to 30 weeks, 53 minutes, 9 seconds.
• To count from 1 to 18,147,189 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 18147189 cubic inches would be around 21.9 feet tall.

Recreational maths with 18147189

• 18147189 backwards is 98174181
• The number of decimal digits it has is: 8
• The sum of 18147189's digits is 39
• More coming soon!