13021

Names of 13021

• Cardinal: 13021 can be written as Thirteen thousand and twenty-one.

Scientific notation

• Scientific notation: 1.3021 × 10⁴

Factors of 13021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 478

Divisors of 13021

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 449 13021
• Sum of all divisors σ(n): 13500
• Sum of proper divisors (its aliquot sum) s(n): 479
• 13021 is a deficient number, because the sum of its proper divisors (479) is less than itself. Its deficiency is 12542

Bases of 13021

• Binary: 11001011011101₂
• Hexadecimal: 0x32DD
• Base-36: A1P

Squares and roots of 13021

• 13021 squared (13021²) is 169546441
• 13021 cubed (13021³) is 2207664208261
• The square root of 13021 is 114.1095964413
• The cube root of 13021 is 23.5260010987

Scales and comparisons

• 13,021 seconds is equal to 3 hours, 37 minutes, 1 second.
• To count from 1 to 13,021 would take you about three 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 13021 cubic inches would be around 2 feet tall.

Recreational maths with 13021

• 13021 backwards is 12031
• The number of decimal digits it has is: 5
• The sum of 13021's digits is 7
• More coming soon!