520985

Names of 520985

• Cardinal: 520985 can be written as Five hundred twenty thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 5.20985 × 10⁵

Factors of 520985

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3627

Divisors of 520985

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 29 145 3593 17965 104197 520985
• Sum of all divisors σ(n): 646920
• Sum of proper divisors (its aliquot sum) s(n): 125935
• 520985 is a deficient number, because the sum of its proper divisors (125935) is less than itself. Its deficiency is 395050

Bases of 520985

• Binary: 1111111001100011001₂
• Hexadecimal: 0x7F319
• Base-36: B5ZT

Squares and roots of 520985

• 520985 squared (520985²) is 271425370225
• 520985 cubed (520985³) is 141408546506671625
• The square root of 520985 is 721.7929065873
• The cube root of 520985 is 80.4652576955

Scales and comparisons

• 520,985 seconds is equal to 6 days, 43 minutes, 5 seconds.
• To count from 1 to 520,985 would take you about six days.

  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 520985 cubic inches would be around 6.7 feet tall.

Recreational maths with 520985

• 520985 backwards is 589025
• 520985 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 520985's digits is 29
• More coming soon!