21996793

Names of 21996793

• Cardinal: 21996793 can be written as Twenty-one million, nine hundred ninety-six thousand, seven hundred ninety-three.

Scientific notation

• Scientific notation: 2.1996793 × 10⁷

Factors of 21996793

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 337

Divisors of 21996793

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 13 17 59 91 119 221 241 413 767 1003 1547 1687 3133 4097 5369 7021 13039 14219 21931 28679 53261 91273 99533 184847 241723 372827 1293929 1692061 3142399 21996793
• Sum of all divisors σ(n): 29272320
• Sum of proper divisors (its aliquot sum) s(n): 7275527
• 21996793 is a deficient number, because the sum of its proper divisors (7275527) is less than itself. Its deficiency is 14721266

Bases of 21996793

• Binary: 1010011111010010011111001₂
• Hexadecimal: 0x14FA4F9
• Base-36: D3GU1

Squares and roots of 21996793

• 21996793 squared (21996793²) is 483858902284849
• 21996793 cubed (21996793³) is 10643344114767050489257
• The square root of 21996793 is 4690.0738800151
• The cube root of 21996793 is 280.1903170401

Scales and comparisons

• 21,996,793 seconds is equal to 36 weeks, 2 days, 14 hours, 13 minutes, 13 seconds.
• To count from 1 to 21,996,793 would take you about two weeks!

  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 21996793 cubic inches would be around 23.3 feet tall.

Recreational maths with 21996793

• 21996793 backwards is 39769912
• The number of decimal digits it has is: 8
• The sum of 21996793's digits is 46
• More coming soon!