21422412

Names of 21422412

• Cardinal: 21422412 can be written as Twenty-one million, four hundred twenty-two thousand, four hundred twelve.

Scientific notation

• Scientific notation: 2.1422412 × 10⁷

Factors of 21422412

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1214

Divisors of 21422412

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 47 66 94 99 132 141 188 198 282 396 423 517 564 846 1034 1151 1551 1692 2068 2302 3102 3453 4604 4653 6204 6906 9306 10359 12661 13812 18612 20718 25322 37983 41436 50644 54097 75966 108194 113949 151932 162291 216388 227898 324582 455796 486873 595067 649164 973746 1190134 1785201 1947492 2380268 3570402 5355603 7140804 10711206 21422412
• Sum of all divisors σ(n): 60383232
• Sum of proper divisors (its aliquot sum) s(n): 38960820
• 21422412 is an abundant number, because the sum of its proper divisors (38960820) is greater than itself. Its abundance is 17538408

Bases of 21422412

• Binary: 1010001101110000101001100₂
• Hexadecimal: 0x146E14C
• Base-36: CR5N0

Squares and roots of 21422412

• 21422412 squared (21422412²) is 458919735897744
• 21422412 cubed (21422412³) is 9831167657332661838528
• The square root of 21422412 is 4628.4351567241
• The cube root of 21422412 is 277.7299968067

Scales and comparisons

• 21,422,412 seconds is equal to 35 weeks, 2 days, 22 hours, 40 minutes, 12 seconds.
• To count from 1 to 21,422,412 would take you about twenty-two 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 21422412 cubic inches would be around 23.1 feet tall.

Recreational maths with 21422412

• 21422412 is the same when its digits are reversed! That makes it a palindromic number.
• 21422412 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21422412's digits is 18
• More coming soon!