109121818

Names of 109121818

• Cardinal: 109121818 can be written as One hundred nine million, one hundred twenty-one thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.09121818 × 10⁸

Factors of 109121818

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4197008

Divisors of 109121818

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13 26 4196993 8393986 54560909 109121818
• Sum of all divisors σ(n): 176273748
• Sum of proper divisors (its aliquot sum) s(n): 67151930
• 109121818 is a deficient number, because the sum of its proper divisors (67151930) is less than itself. Its deficiency is 41969888

Bases of 109121818

• Binary: 110100000010001000100011010₂
• Hexadecimal: 0x681111A
• Base-36: 1SYUXM

Squares and roots of 109121818

• 109121818 squared (109121818²) is 11907571163625124
• 109121818 cubed (109121818³) is 1299375813339149001355432
• The square root of 109121818 is 10446.1389039205
• The cube root of 109121818 is 477.8635050827

Scales and comparisons

• 109,121,818 seconds is equal to 3 years, 24 weeks, 2 days, 23 hours, 36 minutes, 58 seconds.
• To count from 1 to 109,121,818 would take you about five years!

  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 109121818 cubic inches would be around 39.8 feet tall.

Recreational maths with 109121818

• 109121818 backwards is 818121901
• The number of decimal digits it has is: 9
• The sum of 109121818's digits is 31
• More coming soon!