418

Names of 418

• Cardinal: 418 can be written as Four hundred eighteen.

Scientific notation

• Scientific notation: 4.18 × 10²

Factors of 418

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 32

Divisors of 418

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 19 22 38 209 418
• Sum of all divisors σ(n): 720
• Sum of proper divisors (its aliquot sum) s(n): 302
• 418 is a deficient number, because the sum of its proper divisors (302) is less than itself. Its deficiency is 116

Bases of 418

• Binary: 110100010₂
• Hexadecimal: 0x1A2
• Base-36: BM

Squares and roots of 418

• 418 squared (418²) is 174724
• 418 cubed (418³) is 73034632
• The square root of 418 is 20.4450483003
• The cube root of 418 is 7.4769663697

Scales and comparisons

• 418 seconds is equal to 6 minutes, 58 seconds.
• To count from 1 to 418 would take you about three minutes.

  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 418 cubic inches would be around 0.6 feet tall.

Recreational maths with 418

• 418 backwards is 814
• The number of decimal digits it has is: 3
• The sum of 418's digits is 13
• More coming soon!