21048

Names of 21048

• Cardinal: 21048 can be written as Twenty-one thousand and forty-eight.

Scientific notation

• Scientific notation: 2.1048 × 10⁴

Factors of 21048

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 882

Divisors of 21048

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 4 6 8 12 24 877 1754 2631 3508 5262 7016 10524 21048
• Sum of all divisors σ(n): 52680
• Sum of proper divisors (its aliquot sum) s(n): 31632
• 21048 is an abundant number, because the sum of its proper divisors (31632) is greater than itself. Its abundance is 10584

Bases of 21048

• Binary: 101001000111000₂
• Hexadecimal: 0x5238
• Base-36: G8O

Squares and roots of 21048

• 21048 squared (21048²) is 443018304
• 21048 cubed (21048³) is 9324649262592
• The square root of 21048 is 145.0792886665
• The cube root of 21048 is 27.6102461433

Scales and comparisons

• 21,048 seconds is equal to 5 hours, 50 minutes, 48 seconds.
• To count from 1 to 21,048 would take you about five 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 21048 cubic inches would be around 2.3 feet tall.

Recreational maths with 21048

• 21048 backwards is 84012
• The number of decimal digits it has is: 5
• The sum of 21048's digits is 15
• More coming soon!