21476994

Names of 21476994

• Cardinal: 21476994 can be written as Twenty-one million, four hundred seventy-six thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 2.1476994 × 10⁷

Factors of 21476994

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 281

Divisors of 21476994

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 29 33 42 49 58 66 77 87 98 147 154 174 203 229 231 294 319 406 458 462 539 609 638 687 957 1078 1218 1374 1421 1603 1617 1914 2233 2519 2842 3206 3234 4263 4466 4809 5038 6641 6699 7557 8526 9618 11221 13282 13398 15114 15631 17633 19923 22442 31262 33663 35266 39846 46487 46893 52899 67326 73051 92974 93786 105798 123431 139461 146102 219153 246862 278922 325409 370293 438306 511357 650818 740586 976227 1022714 1534071 1952454 3068142 3579499 7158998 10738497 21476994
• Sum of all divisors σ(n): 56635200
• Sum of proper divisors (its aliquot sum) s(n): 35158206
• 21476994 is an abundant number, because the sum of its proper divisors (35158206) is greater than itself. Its abundance is 13681212

Bases of 21476994

• Binary: 1010001111011011010000010₂
• Hexadecimal: 0x147B682
• Base-36: CSBR6

Squares and roots of 21476994

• 21476994 squared (21476994²) is 461261271276036
• 21476994 cubed (21476994³) is 9906505555627797515784
• The square root of 21476994 is 4634.3277829691
• The cube root of 21476994 is 277.9656721409

Scales and comparisons

• 21,476,994 seconds is equal to 35 weeks, 3 days, 13 hours, 49 minutes, 54 seconds.
• To count from 1 to 21,476,994 would take you about twenty 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 21476994 cubic inches would be around 23.2 feet tall.

Recreational maths with 21476994

• 21476994 backwards is 49967412
• 21476994 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21476994's digits is 42
• More coming soon!