18380965

Names of 18380965

• Cardinal: 18380965 can be written as Eighteen million, three hundred eighty thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 1.8380965 × 10⁷

Factors of 18380965

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3676198

Divisors of 18380965

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 3676193 18380965
• Sum of all divisors σ(n): 22057164
• Sum of proper divisors (its aliquot sum) s(n): 3676199
• 18380965 is a deficient number, because the sum of its proper divisors (3676199) is less than itself. Its deficiency is 14704766

Bases of 18380965

• Binary: 1000110000111100010100101₂
• Hexadecimal: 0x11878A5
• Base-36: AXYUD

Squares and roots of 18380965

• 18380965 squared (18380965²) is 337859874331225
• 18380965 cubed (18380965³) is 6210190524986645132125
• The square root of 18380965 is 4287.3027651425
• The cube root of 18380965 is 263.9101555693

Scales and comparisons

• 18,380,965 seconds is equal to 30 weeks, 2 days, 17 hours, 49 minutes, 25 seconds.
• To count from 1 to 18,380,965 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 18380965 cubic inches would be around 22 feet tall.

Recreational maths with 18380965

• 18380965 backwards is 56908381
• The number of decimal digits it has is: 8
• The sum of 18380965's digits is 40
• More coming soon!