15001

Names of 15001

• Cardinal: 15001 can be written as Fifteen thousand and one.

Scientific notation

• Scientific notation: 1.5001 × 10⁴

Factors of 15001

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2150

Divisors of 15001

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 2143 15001
• Sum of all divisors σ(n): 17152
• Sum of proper divisors (its aliquot sum) s(n): 2151
• 15001 is a deficient number, because the sum of its proper divisors (2151) is less than itself. Its deficiency is 12850

Bases of 15001

• Binary: 11101010011001₂
• Hexadecimal: 0x3A99
• Base-36: BKP

Squares and roots of 15001

• 15001 squared (15001²) is 225030001
• 15001 cubed (15001³) is 3375675045001
• The square root of 15001 is 122.4785695541
• The cube root of 15001 is 24.6626687783

Scales and comparisons

• 15,001 seconds is equal to 4 hours, 10 minutes, 1 second.
• To count from 1 to 15,001 would take you about four 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 15001 cubic inches would be around 2.1 feet tall.

Recreational maths with 15001

• 15001 backwards is 10051
• 15001 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 15001's digits is 7
• More coming soon!