18400422

Names of 18400422

• Cardinal: 18400422 can be written as Eighteen million, four hundred thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 1.8400422 × 10⁷

Factors of 18400422

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 98963

Divisors of 18400422

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 31 62 93 186 98927 197854 296781 593562 3066737 6133474 9200211 18400422
• Sum of all divisors σ(n): 37988352
• Sum of proper divisors (its aliquot sum) s(n): 19587930
• 18400422 is an abundant number, because the sum of its proper divisors (19587930) is greater than itself. Its abundance is 1187508

Bases of 18400422

• Binary: 1000110001100010010100110₂
• Hexadecimal: 0x118C4A6
• Base-36: AYDUU

Squares and roots of 18400422

• 18400422 squared (18400422²) is 338575529778084
• 18400422 cubed (18400422³) is 6229932626790311951448
• The square root of 18400422 is 4289.5713072521
• The cube root of 18400422 is 264.0032426139

Scales and comparisons

• 18,400,422 seconds is equal to 30 weeks, 2 days, 23 hours, 13 minutes, 42 seconds.
• To count from 1 to 18,400,422 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 18400422 cubic inches would be around 22 feet tall.

Recreational maths with 18400422

• 18400422 backwards is 22400481
• The number of decimal digits it has is: 8
• The sum of 18400422's digits is 21
• More coming soon!