21054024

Names of 21054024

• Cardinal: 21054024 can be written as Twenty-one million, fifty-four thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1054024 × 10⁷

Factors of 21054024

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 292

Divisors of 21054024

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 103 136 153 167 204 206 306 309 334 408 412 501 612 618 668 824 927 1002 1224 1236 1336 1503 1751 1854 2004 2472 2839 3006 3502 3708 4008 5253 5678 6012 7004 7416 8517 10506 11356 12024 14008 15759 17034 17201 21012 22712 25551 31518 34068 34402 42024 51102 51603 63036 68136 68804 102204 103206 126072 137608 154809 204408 206412 292417 309618 412824 584834 619236 877251 1169668 1238472 1754502 2339336 2631753 3509004 5263506 7018008 10527012 21054024
• Sum of all divisors σ(n): 61326720
• Sum of proper divisors (its aliquot sum) s(n): 40272696
• 21054024 is an abundant number, because the sum of its proper divisors (40272696) is greater than itself. Its abundance is 19218672

Bases of 21054024

• Binary: 1010000010100001001001000₂
• Hexadecimal: 0x1414248
• Base-36: CJ9E0

Squares and roots of 21054024

• 21054024 squared (21054024²) is 443271926592576
• 21054024 cubed (21054024³) is 9332657781006333325824
• The square root of 21054024 is 4588.4664104687
• The cube root of 21054024 is 276.1287993679

Scales and comparisons

• 21,054,024 seconds is equal to 34 weeks, 5 days, 16 hours, 20 minutes, 24 seconds.
• To count from 1 to 21,054,024 would take you about twelve 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 21054024 cubic inches would be around 23 feet tall.

Recreational maths with 21054024

• 21054024 backwards is 42045012
• 21054024 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21054024's digits is 18
• More coming soon!