21308201

Names of 21308201

• Cardinal: 21308201 can be written as Twenty-one million, three hundred eight thousand, two hundred one.

Scientific notation

• Scientific notation: 2.1308201 × 10⁷

Factors of 21308201

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21308201

Divisors of 21308201

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21308201
• Sum of all divisors σ(n): 21308202
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21308201 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21308200

Bases of 21308201

• Binary: 1010001010010001100101001₂
• Hexadecimal: 0x1452329
• Base-36: COPIH

Squares and roots of 21308201

• 21308201 squared (21308201²) is 454039429856401
• 21308201 cubed (21308201³) is 9674763433305593644601
• The square root of 21308201 is 4616.0806968683
• The cube root of 21308201 is 277.2355557769

Scales and comparisons

• 21,308,201 seconds is equal to 35 weeks, 1 day, 14 hours, 56 minutes, 41 seconds.
• To count from 1 to 21,308,201 would take you about five 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 21308201 cubic inches would be around 23.1 feet tall.

Recreational maths with 21308201

• 21308201 backwards is 10280312
• The number of decimal digits it has is: 8
• The sum of 21308201's digits is 17
• More coming soon!