21099024

Names of 21099024

• Cardinal: 21099024 can be written as Twenty-one million, ninety-nine thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1099024 × 10⁷

Factors of 21099024

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 146526

Divisors of 21099024

• Number of divisors d(n): 30
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 146521 293042 439563 586084 879126 1172168 1318689 1758252 2344336 2637378 3516504 5274756 7033008 10549512 21099024
• Sum of all divisors σ(n): 59048366
• Sum of proper divisors (its aliquot sum) s(n): 37949342
• 21099024 is an abundant number, because the sum of its proper divisors (37949342) is greater than itself. Its abundance is 16850318

Bases of 21099024

• Binary: 1010000011111001000010000₂
• Hexadecimal: 0x141F210
• Base-36: CK840

Squares and roots of 21099024

• 21099024 squared (21099024²) is 445168813752576
• 21099024 cubed (21099024³) is 9392627485417131085824
• The square root of 21099024 is 4593.3673922299
• The cube root of 21099024 is 276.3253881321

Scales and comparisons

• 21,099,024 seconds is equal to 34 weeks, 6 days, 4 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,099,024 would take you about two 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 21099024 cubic inches would be around 23 feet tall.

Recreational maths with 21099024

• 21099024 backwards is 42099012
• The number of decimal digits it has is: 8
• The sum of 21099024's digits is 27
• More coming soon!