21329841

Names of 21329841

• Cardinal: 21329841 can be written as Twenty-one million, three hundred twenty-nine thousand, eight hundred forty-one.

Scientific notation

• Scientific notation: 2.1329841 × 10⁷

Factors of 21329841

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 546935

Divisors of 21329841

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 13 39 546919 1640757 7109947 21329841
• Sum of all divisors σ(n): 30627520
• Sum of proper divisors (its aliquot sum) s(n): 9297679
• 21329841 is a deficient number, because the sum of its proper divisors (9297679) is less than itself. Its deficiency is 12032162

Bases of 21329841

• Binary: 1010001010111011110110001₂
• Hexadecimal: 0x14577B1
• Base-36: CP67L

Squares and roots of 21329841

• 21329841 squared (21329841²) is 454962117085281
• 21329841 cubed (21329841³) is 9704269618452427170321
• The square root of 21329841 is 4618.4240818703
• The cube root of 21329841 is 277.3293748601

Scales and comparisons

• 21,329,841 seconds is equal to 35 weeks, 1 day, 20 hours, 57 minutes, 21 seconds.
• To count from 1 to 21,329,841 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 21329841 cubic inches would be around 23.1 feet tall.

Recreational maths with 21329841

• 21329841 backwards is 14892312
• The number of decimal digits it has is: 8
• The sum of 21329841's digits is 30
• More coming soon!