21054060

Names of 21054060

• Cardinal: 21054060 can be written as Twenty-one million, fifty-four thousand and sixty.

Scientific notation

• Scientific notation: 2.105406 × 10⁷

Factors of 21054060

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 444

Divisors of 21054060

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 127 135 180 254 270 307 381 508 540 614 635 762 921 1143 1228 1270 1524 1535 1842 1905 2286 2540 2763 3070 3429 3684 3810 4572 4605 5526 5715 6140 6858 7620 8289 9210 11052 11430 13716 13815 16578 17145 18420 22860 27630 33156 34290 38989 41445 55260 68580 77978 82890 116967 155956 165780 194945 233934 350901 389890 467868 584835 701802 779780 1052703 1169670 1403604 1754505 2105406 2339340 3509010 4210812 5263515 7018020 10527030 21054060
• Sum of all divisors σ(n): 66232320
• Sum of proper divisors (its aliquot sum) s(n): 45178260
• 21054060 is an abundant number, because the sum of its proper divisors (45178260) is greater than itself. Its abundance is 24124200

Bases of 21054060

• Binary: 1010000010100001001101100₂
• Hexadecimal: 0x141426C
• Base-36: CJ9F0

Squares and roots of 21054060

• 21054060 squared (21054060²) is 443273442483600
• 21054060 cubed (21054060³) is 9332705654456263416000
• The square root of 21054060 is 4588.4703333463
• The cube root of 21054060 is 276.1289567507

Scales and comparisons

• 21,054,060 seconds is equal to 34 weeks, 5 days, 16 hours, 21 minutes.
• To count from 1 to 21,054,060 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 21054060 cubic inches would be around 23 feet tall.

Recreational maths with 21054060

• 21054060 backwards is 06045012
• 21054060 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21054060's digits is 18
• More coming soon!