18196031

Names of 18196031

• Cardinal: 18196031 can be written as Eighteen million, one hundred ninety-six thousand and thirty-one.

Scientific notation

• Scientific notation: 1.8196031 × 10⁷

Factors of 18196031

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 19981

Divisors of 18196031

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 131 917 19843 138901 2599433 18196031
• Sum of all divisors σ(n): 20955264
• Sum of proper divisors (its aliquot sum) s(n): 2759233
• 18196031 is a deficient number, because the sum of its proper divisors (2759233) is less than itself. Its deficiency is 15436798

Bases of 18196031

• Binary: 1000101011010011000111111₂
• Hexadecimal: 0x115A63F
• Base-36: AU05B

Squares and roots of 18196031

• 18196031 squared (18196031²) is 331095544152961
• 18196031 cubed (18196031³) is 6024624785369147097791
• The square root of 18196031 is 4265.6806022017
• The cube root of 18196031 is 263.0220889657

Scales and comparisons

• 18,196,031 seconds is equal to 30 weeks, 14 hours, 27 minutes, 11 seconds.
• To count from 1 to 18,196,031 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 18196031 cubic inches would be around 21.9 feet tall.

Recreational maths with 18196031

• 18196031 backwards is 13069181
• The number of decimal digits it has is: 8
• The sum of 18196031's digits is 29
• More coming soon!