40285

Names of 40285

• Cardinal: 40285 can be written as Forty thousand, two hundred eighty-five.

Scientific notation

• Scientific notation: 4.0285 × 10⁴

Factors of 40285

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1163

Divisors of 40285

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 7 35 1151 5755 8057 40285
• Sum of all divisors σ(n): 55296
• Sum of proper divisors (its aliquot sum) s(n): 15011
• 40285 is a deficient number, because the sum of its proper divisors (15011) is less than itself. Its deficiency is 25274

Bases of 40285

• Binary: 1001110101011101₂
• Hexadecimal: 0x9D5D
• Base-36: V31

Squares and roots of 40285

• 40285 squared (40285²) is 1622881225
• 40285 cubed (40285³) is 65377770149125
• The square root of 40285 is 200.7112353607
• The cube root of 40285 is 34.2805506443

Scales and comparisons

• 40,285 seconds is equal to 11 hours, 11 minutes, 25 seconds.
• To count from 1 to 40,285 would take you about eleven 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 40285 cubic inches would be around 2.9 feet tall.

Recreational maths with 40285

• 40285 backwards is 58204
• The number of decimal digits it has is: 5
• The sum of 40285's digits is 19
• More coming soon!