75009

Names of 75009

• Cardinal: 75009 can be written as Seventy-five thousand and nine.

Scientific notation

• Scientific notation: 7.5009 × 10⁴

Factors of 75009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2287

Divisors of 75009

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 11 33 2273 6819 25003 75009
• Sum of all divisors σ(n): 109152
• Sum of proper divisors (its aliquot sum) s(n): 34143
• 75009 is a deficient number, because the sum of its proper divisors (34143) is less than itself. Its deficiency is 40866

Bases of 75009

• Binary: 10010010100000001₂
• Hexadecimal: 0x12501
• Base-36: 1LVL

Squares and roots of 75009

• 75009 squared (75009²) is 5626350081
• 75009 cubed (75009³) is 422026893225729
• The square root of 75009 is 273.8777099363
• The cube root of 75009 is 42.1733200629

Scales and comparisons

• 75,009 seconds is equal to 20 hours, 50 minutes, 9 seconds.
• To count from 1 to 75,009 would take you about twenty hours.

  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 75009 cubic inches would be around 3.5 feet tall.

Recreational maths with 75009

• 75009 backwards is 90057
• The number of decimal digits it has is: 5
• The sum of 75009's digits is 21
• More coming soon!