21498122

Names of 21498122

• Cardinal: 21498122 can be written as Twenty-one million, four hundred ninety-eight thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 2.1498122 × 10⁷

Factors of 21498122

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10749063

Divisors of 21498122

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10749061 21498122
• Sum of all divisors σ(n): 32247186
• Sum of proper divisors (its aliquot sum) s(n): 10749064
• 21498122 is a deficient number, because the sum of its proper divisors (10749064) is less than itself. Its deficiency is 10749058

Bases of 21498122

• Binary: 1010010000000100100001010₂
• Hexadecimal: 0x148090A
• Base-36: CSS22

Squares and roots of 21498122

• 21498122 squared (21498122²) is 462169249526884
• 21498122 cubed (21498122³) is 9935770910977394511848
• The square root of 21498122 is 4636.6067333773
• The cube root of 21498122 is 278.0567918753

Scales and comparisons

• 21,498,122 seconds is equal to 35 weeks, 3 days, 19 hours, 42 minutes, 2 seconds.
• To count from 1 to 21,498,122 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 21498122 cubic inches would be around 23.2 feet tall.

Recreational maths with 21498122

• 21498122 backwards is 22189412
• The number of decimal digits it has is: 8
• The sum of 21498122's digits is 29
• More coming soon!