21474882

Names of 21474882

• Cardinal: 21474882 can be written as Twenty-one million, four hundred seventy-four thousand, eight hundred eighty-two.

Scientific notation

• Scientific notation: 2.1474882 × 10⁷

Factors of 21474882

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 132

Divisors of 21474882

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 81 99 103 117 143 162 198 206 234 243 286 297 309 351 429 486 594 618 702 729 858 891 927 1053 1133 1287 1339 1458 1782 1854 2106 2266 2574 2673 2678 2781 3159 3399 3861 4017 5346 5562 6318 6798 7722 8019 8034 8343 9477 10197 11583 12051 14729 16038 16686 18954 20394 23166 24102 25029 29458 30591 34749 36153 44187 50058 61182 69498 72306 75087 88374 91773 104247 108459 132561 150174 183546 208494 216918 265122 275319 325377 397683 550638 650754 795366 825957 976131 1193049 1651914 1952262 2386098 3579147 7158294 10737441 21474882
• Sum of all divisors σ(n): 57290688
• Sum of proper divisors (its aliquot sum) s(n): 35815806
• 21474882 is an abundant number, because the sum of its proper divisors (35815806) is greater than itself. Its abundance is 14340924

Bases of 21474882

• Binary: 1010001111010111001000010₂
• Hexadecimal: 0x147AE42
• Base-36: CSA4I

Squares and roots of 21474882

• 21474882 squared (21474882²) is 461170556913924
• 21474882 cubed (21474882³) is 9903583291600802056968
• The square root of 21474882 is 4634.0999126043
• The cube root of 21474882 is 277.9565603329

Scales and comparisons

• 21,474,882 seconds is equal to 35 weeks, 3 days, 13 hours, 14 minutes, 42 seconds.
• To count from 1 to 21,474,882 would take you about nineteen 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 21474882 cubic inches would be around 23.2 feet tall.

Recreational maths with 21474882

• 21474882 backwards is 28847412
• The number of decimal digits it has is: 8
• The sum of 21474882's digits is 36
• More coming soon!