21024234

Names of 21024234

• Cardinal: 21024234 can be written as Twenty-one million, twenty-four thousand, two hundred thirty-four.

Scientific notation

• Scientific notation: 2.1024234 × 10⁷

Factors of 21024234

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 220

Divisors of 21024234

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 49 63 66 77 98 99 121 126 147 154 197 198 231 242 294 363 394 441 462 539 591 693 726 847 882 1078 1089 1182 1379 1386 1617 1694 1773 2167 2178 2541 2758 3234 3546 4137 4334 4851 5082 5929 6501 7623 8274 9653 9702 11858 12411 13002 15169 15246 17787 19306 19503 23837 24822 28959 30338 35574 39006 45507 47674 53361 57918 71511 86877 91014 106183 106722 136521 143022 166859 173754 212366 214533 273042 318549 333718 429066 500577 637098 955647 1001154 1168013 1501731 1911294 2336026 3003462 3504039 7008078 10512117 21024234
• Sum of all divisors σ(n): 58540482
• Sum of proper divisors (its aliquot sum) s(n): 37516248
• 21024234 is an abundant number, because the sum of its proper divisors (37516248) is greater than itself. Its abundance is 16492014

Bases of 21024234

• Binary: 1010000001100110111101010₂
• Hexadecimal: 0x140CDEA
• Base-36: CIMEI

Squares and roots of 21024234

• 21024234 squared (21024234²) is 442018415286756
• 21024234 cubed (21024234³) is 9293098595297935244904
• The square root of 21024234 is 4585.2190787355
• The cube root of 21024234 is 275.9985034577

Scales and comparisons

• 21,024,234 seconds is equal to 34 weeks, 5 days, 8 hours, 3 minutes, 54 seconds.
• To count from 1 to 21,024,234 would take you about five minutes!

  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 21024234 cubic inches would be around 23 feet tall.

Recreational maths with 21024234

• 21024234 backwards is 43242012
• 21024234 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21024234's digits is 18
• More coming soon!