525

Names of 525

• Cardinal: 525 can be written as Five hundred twenty-five.

Scientific notation

• Scientific notation: 5.25 × 10²

Factors of 525

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15

Divisors of 525

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 5 7 15 21 25 35 75 105 175 525
• Sum of all divisors σ(n): 992
• Sum of proper divisors (its aliquot sum) s(n): 467
• 525 is a deficient number, because the sum of its proper divisors (467) is less than itself. Its deficiency is 58

Bases of 525

• Binary: 1000001101₂
• Hexadecimal: 0x20D
• Base-36: EL

Squares and roots of 525

• 525 squared (525²) is 275625
• 525 cubed (525³) is 144703125
• The square root of 525 is 22.9128784747
• The cube root of 525 is 8.0671432303

Scales and comparisons

• 525 seconds is equal to 8 minutes, 45 seconds.
• To count from 1 to 525 would take you about four minutes.

  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 525 cubic inches would be around 0.7 feet tall.

Recreational maths with 525

• 525 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 525's digits is 12
• More coming soon!