520145

Names of 520145

• Cardinal: 520145 can be written as Five hundred twenty thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 5.20145 × 10⁵

Factors of 520145

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4551

Divisors of 520145

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 23 115 4523 22615 104029 520145
• Sum of all divisors σ(n): 651456
• Sum of proper divisors (its aliquot sum) s(n): 131311
• 520145 is a deficient number, because the sum of its proper divisors (131311) is less than itself. Its deficiency is 388834

Bases of 520145

• Binary: 1111110111111010001₂
• Hexadecimal: 0x7EFD1
• Base-36: B5CH

Squares and roots of 520145

• 520145 squared (520145²) is 270550821025
• 520145 cubed (520145³) is 140725656802048625
• The square root of 520145 is 721.2107874957
• The cube root of 520145 is 80.4219889033

Scales and comparisons

• 520,145 seconds is equal to 6 days, 29 minutes, 5 seconds.
• To count from 1 to 520,145 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 520145 cubic inches would be around 6.7 feet tall.

Recreational maths with 520145

• 520145 backwards is 541025
• The number of decimal digits it has is: 6
• The sum of 520145's digits is 17
• More coming soon!