28398084

Names of 28398084

• Cardinal: 28398084 can be written as Twenty-eight million, three hundred ninety-eight thousand and eighty-four.

Scientific notation

• Scientific notation: 2.8398084 × 10⁷

Factors of 28398084

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 115

Divisors of 28398084

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 11 12 13 19 22 26 33 38 39 44 52 57 66 67 76 78 114 132 134 143 156 169 201 209 228 247 268 286 338 402 418 429 494 507 572 627 676 737 741 804 836 858 871 988 1014 1254 1273 1474 1482 1716 1742 1859 2028 2211 2508 2546 2613 2717 2948 2964 3211 3484 3718 3819 4422 5092 5226 5434 5577 6422 7436 7638 8151 8844 9581 9633 10452 10868 11154 11323 12844 14003 15276 16302 16549 19162 19266 22308 22646 28006 28743 32604 33098 33969 35321 38324 38532 42009 45292 49647 56012 57486 66196 67938 70642 84018 99294 105963 114972 124553 135876 141284 168036 182039 198588 211926 215137 249106 364078 373659 423852 430274 498212 546117 645411 728156 747318 860548 1092234 1290822 1494636 2184468 2366507 2581644 4733014 7099521 9466028 14199042 28398084
• Sum of all divisors σ(n): 83623680
• Sum of proper divisors (its aliquot sum) s(n): 55225596
• 28398084 is an abundant number, because the sum of its proper divisors (55225596) is greater than itself. Its abundance is 26827512

Bases of 28398084

• Binary: 1101100010101001000000100₂
• Hexadecimal: 0x1B15204
• Base-36: GWO3O

Squares and roots of 28398084

• 28398084 squared (28398084²) is 806451174871056
• 28398084 cubed (28398084³) is 22901668205886937456704
• The square root of 28398084 is 5328.9852692609
• The cube root of 28398084 is 305.0911991005

Scales and comparisons

• 28,398,084 seconds is equal to 46 weeks, 6 days, 16 hours, 21 minutes, 24 seconds.
• To count from 1 to 28,398,084 would take you about eighteen 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 28398084 cubic inches would be around 25.4 feet tall.

Recreational maths with 28398084

• 28398084 backwards is 48089382
• The number of decimal digits it has is: 8
• The sum of 28398084's digits is 42
• More coming soon!