21848137

Names of 21848137

• Cardinal: 21848137 can be written as Twenty-one million, eight hundred forty-eight thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 2.1848137 × 10⁷

Factors of 21848137

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17999

Divisors of 21848137

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 53 1219 17923 412229 949919 21848137
• Sum of all divisors σ(n): 23229504
• Sum of proper divisors (its aliquot sum) s(n): 1381367
• 21848137 is a deficient number, because the sum of its proper divisors (1381367) is less than itself. Its deficiency is 20466770

Bases of 21848137

• Binary: 1010011010110000001001001₂
• Hexadecimal: 0x14D6049
• Base-36: D0A4P

Squares and roots of 21848137

• 21848137 squared (21848137²) is 477341090370769
• 21848137 cubed (21848137³) is 10429013538149941907353
• The square root of 21848137 is 4674.1990757775
• The cube root of 21848137 is 279.5577073273

Scales and comparisons

• 21,848,137 seconds is equal to 36 weeks, 20 hours, 55 minutes, 37 seconds.
• To count from 1 to 21,848,137 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 21848137 cubic inches would be around 23.3 feet tall.

Recreational maths with 21848137

• 21848137 backwards is 73184812
• The number of decimal digits it has is: 8
• The sum of 21848137's digits is 34
• More coming soon!