21043344

Names of 21043344

• Cardinal: 21043344 can be written as Twenty-one million, forty-three thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1043344 × 10⁷

Factors of 21043344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 424

Divisors of 21043344

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 49 56 69 84 92 98 112 138 147 161 168 184 196 276 294 322 336 368 389 392 483 552 588 644 778 784 966 1104 1127 1167 1176 1288 1556 1932 2254 2334 2352 2576 2723 3112 3381 3864 4508 4668 5446 6224 6762 7728 8169 8947 9016 9336 10892 13524 16338 17894 18032 18672 19061 21784 26841 27048 32676 35788 38122 43568 53682 54096 57183 62629 65352 71576 76244 107364 114366 125258 130704 143152 152488 187887 214728 228732 250516 304976 375774 429456 438403 457464 501032 751548 876806 914928 1002064 1315209 1503096 1753612 2630418 3006192 3507224 5260836 7014448 10521672 21043344
• Sum of all divisors σ(n): 66156480
• Sum of proper divisors (its aliquot sum) s(n): 45113136
• 21043344 is an abundant number, because the sum of its proper divisors (45113136) is greater than itself. Its abundance is 24069792

Bases of 21043344

• Binary: 1010000010001100010010000₂
• Hexadecimal: 0x1411890
• Base-36: CJ15C

Squares and roots of 21043344

• 21043344 squared (21043344²) is 442822326702336
• 21043344 cubed (21043344³) is 9318462551677642051584
• The square root of 21043344 is 4587.3024753117
• The cube root of 21043344 is 276.0821011789

Scales and comparisons

• 21,043,344 seconds is equal to 34 weeks, 5 days, 13 hours, 22 minutes, 24 seconds.
• To count from 1 to 21,043,344 would take you about eight 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 21043344 cubic inches would be around 23 feet tall.

Recreational maths with 21043344

• 21043344 backwards is 44334012
• 21043344 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21043344's digits is 21
• More coming soon!