21000102

Names of 21000102

• Cardinal: 21000102 can be written as Twenty-one million, one hundred two.

Scientific notation

• Scientific notation: 2.1000102 × 10⁷

Factors of 21000102

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3500022

Divisors of 21000102

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 3500017 7000034 10500051 21000102
• Sum of all divisors σ(n): 42000216
• Sum of proper divisors (its aliquot sum) s(n): 21000114
• 21000102 is an abundant number, because the sum of its proper divisors (21000114) is greater than itself. Its abundance is 12

Bases of 21000102

• Binary: 1010000000110111110100110₂
• Hexadecimal: 0x1406FA6
• Base-36: CI3S6

Squares and roots of 21000102

• 21000102 squared (21000102²) is 441004284010404
• 21000102 cubed (21000102³) is 9261134946655453061208
• The square root of 21000102 is 4582.5868240547
• The cube root of 21000102 is 275.8928643203

Scales and comparisons

• 21,000,102 seconds is equal to 34 weeks, 5 days, 1 hour, 21 minutes, 42 seconds.
• To count from 1 to 21,000,102 would take you about fourteen hours!

  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 21000102 cubic inches would be around 23 feet tall.

Recreational maths with 21000102

• 21000102 backwards is 20100012
• 21000102 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21000102's digits is 6
• More coming soon!