21080682

Names of 21080682

• Cardinal: 21080682 can be written as Twenty-one million, eighty thousand, six hundred eighty-two.

Scientific notation

• Scientific notation: 2.1080682 × 10⁷

Factors of 21080682

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 300

Divisors of 21080682

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 49 54 62 63 93 98 126 147 186 189 217 257 279 294 378 434 441 514 558 651 771 837 882 1302 1323 1519 1542 1674 1799 1953 2313 2646 3038 3598 3906 4557 4626 5397 5859 6939 7967 9114 10794 11718 12593 13671 13878 15934 16191 23901 25186 27342 32382 37779 41013 47802 48573 55769 71703 75558 82026 97146 111538 113337 143406 167307 215109 226674 334614 340011 390383 430218 501921 680022 780766 1003842 1171149 1505763 2342298 3011526 3513447 7026894 10540341 21080682
• Sum of all divisors σ(n): 56471040
• Sum of proper divisors (its aliquot sum) s(n): 35390358
• 21080682 is an abundant number, because the sum of its proper divisors (35390358) is greater than itself. Its abundance is 14309676

Bases of 21080682

• Binary: 1010000011010101001101010₂
• Hexadecimal: 0x141AA6A
• Base-36: CJTYI

Squares and roots of 21080682

• 21080682 squared (21080682²) is 444395153585124
• 21080682 cubed (21080682³) is 9368152915069158974568
• The square root of 21080682 is 4591.3703836655
• The cube root of 21080682 is 276.2452923313

Scales and comparisons

• 21,080,682 seconds is equal to 34 weeks, 5 days, 23 hours, 44 minutes, 42 seconds.
• To count from 1 to 21,080,682 would take you about twenty-three 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 21080682 cubic inches would be around 23 feet tall.

Recreational maths with 21080682

• 21080682 backwards is 28608012
• 21080682 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21080682's digits is 27
• More coming soon!