21231098

Names of 21231098

• Cardinal: 21231098 can be written as Twenty-one million, two hundred thirty-one thousand and ninety-eight.

Scientific notation

• Scientific notation: 2.1231098 × 10⁷

Factors of 21231098

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 12077

Divisors of 21231098

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 127 254 889 1778 11941 23882 83587 167174 1516507 3033014 10615549 21231098
• Sum of all divisors σ(n): 36685824
• Sum of proper divisors (its aliquot sum) s(n): 15454726
• 21231098 is a deficient number, because the sum of its proper divisors (15454726) is less than itself. Its deficiency is 5776372

Bases of 21231098

• Binary: 1010000111111010111111010₂
• Hexadecimal: 0x143F5FA
• Base-36: CN20Q

Squares and roots of 21231098

• 21231098 squared (21231098²) is 450759522285604
• 21231098 cubed (21231098³) is 9570119592078842513192
• The square root of 21231098 is 4607.7215627683
• The cube root of 21231098 is 276.9007624983

Scales and comparisons

• 21,231,098 seconds is equal to 35 weeks, 17 hours, 31 minutes, 38 seconds.
• To count from 1 to 21,231,098 would take you about four 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 21231098 cubic inches would be around 23.1 feet tall.

Recreational maths with 21231098

• 21231098 backwards is 89013212
• The number of decimal digits it has is: 8
• The sum of 21231098's digits is 26
• More coming soon!