20904408

Names of 20904408

• Cardinal: 20904408 can be written as Twenty million, nine hundred four thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.0904408 × 10⁷

Factors of 20904408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 127

Divisors of 20904408

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 37 38 42 56 57 59 63 72 74 76 84 111 114 118 126 133 148 152 168 171 177 222 228 236 252 259 266 296 333 342 354 399 413 444 456 472 504 518 531 532 666 684 703 708 777 798 826 888 1036 1062 1064 1121 1197 1239 1332 1368 1406 1416 1554 1596 1652 2072 2109 2124 2183 2242 2331 2394 2478 2664 2812 3108 3192 3304 3363 3717 4218 4248 4366 4484 4662 4788 4921 4956 5624 6216 6327 6549 6726 7434 7847 8436 8732 8968 9324 9576 9842 9912 10089 12654 13098 13452 14763 14868 15281 15694 16872 17464 18648 19647 19684 20178 23541 25308 26196 26904 29526 29736 30562 31388 39294 39368 40356 41477 44289 45843 47082 50616 52392 59052 61124 62776 70623 78588 80712 82954 88578 91686 94164 118104 122248 124431 137529 141246 157176 165908 177156 183372 188328 248862 275058 282492 290339 331816 354312 366744 373293 497724 550116 564984 580678 746586 871017 995448 1100232 1161356 1493172 1742034 2322712 2613051 2986344 3484068 5226102 6968136 10452204 20904408
• Sum of all divisors σ(n): 71136000
• Sum of proper divisors (its aliquot sum) s(n): 50231592
• 20904408 is an abundant number, because the sum of its proper divisors (50231592) is greater than itself. Its abundance is 29327184

Bases of 20904408

• Binary: 1001111101111100111011000₂
• Hexadecimal: 0x13EF9D8
• Base-36: CG1Y0

Squares and roots of 20904408

• 20904408 squared (20904408²) is 436994273830464
• 20904408 cubed (20904408³) is 9135106593815742285312
• The square root of 20904408 is 4572.1338563083
• The cube root of 20904408 is 275.4731600779

Scales and comparisons

• 20,904,408 seconds is equal to 34 weeks, 3 days, 22 hours, 46 minutes, 48 seconds.
• To count from 1 to 20,904,408 would take you about fifty-one weeks!

  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 20904408 cubic inches would be around 23 feet tall.

Recreational maths with 20904408

• 20904408 backwards is 80440902
• The number of decimal digits it has is: 8
• The sum of 20904408's digits is 27
• More coming soon!