28883790

Names of 28883790

• Cardinal: 28883790 can be written as Twenty-eight million, eight hundred eighty-three thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.888379 × 10⁷

Factors of 28883790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 234

Divisors of 28883790

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 169 195 211 234 270 338 351 390 405 422 507 585 633 702 810 845 1014 1053 1055 1170 1266 1521 1690 1755 1899 2106 2110 2535 2743 3042 3165 3510 3798 4563 5070 5265 5486 5697 6330 7605 8229 9126 9495 10530 11394 13689 13715 15210 16458 17091 18990 22815 24687 27378 27430 28485 34182 35659 41145 45630 49374 56970 68445 71318 74061 82290 85455 106977 123435 136890 148122 170910 178295 213954 222183 246870 320931 356590 370305 444366 534885 641862 740610 962793 1069770 1110915 1604655 1925586 2221830 2888379 3209310 4813965 5776758 9627930 14441895 28883790
• Sum of all divisors σ(n): 84497688
• Sum of proper divisors (its aliquot sum) s(n): 55613898
• 28883790 is an abundant number, because the sum of its proper divisors (55613898) is greater than itself. Its abundance is 26730108

Bases of 28883790

• Binary: 1101110001011101101001110₂
• Hexadecimal: 0x1B8BB4E
• Base-36: H72VI

Squares and roots of 28883790

• 28883790 squared (28883790²) is 834273324764100
• 28883790 cubed (28883790³) is 24096975515088063939000
• The square root of 28883790 is 5374.3641484365
• The cube root of 28883790 is 306.8207493389

Scales and comparisons

• 28,883,790 seconds is equal to 47 weeks, 5 days, 7 hours, 16 minutes, 30 seconds.
• To count from 1 to 28,883,790 would take you about nineteen 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 28883790 cubic inches would be around 25.6 feet tall.

Recreational maths with 28883790

• 28883790 backwards is 09738882
• 28883790 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28883790's digits is 45
• More coming soon!