28064790

Names of 28064790

• Cardinal: 28064790 can be written as Twenty-eight million, sixty-four thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.806479 × 10⁷

Factors of 28064790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 123

Divisors of 28064790

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 45 51 65 78 83 85 90 102 117 130 153 166 170 195 221 234 249 255 289 306 390 415 442 498 510 578 585 663 747 765 830 867 1079 1105 1170 1245 1326 1411 1445 1494 1530 1734 1989 2158 2210 2490 2601 2822 2890 3237 3315 3735 3757 3978 4233 4335 5202 5395 6474 6630 7055 7470 7514 8466 8670 9711 9945 10790 11271 12699 13005 14110 16185 18343 18785 19422 19890 21165 22542 23987 25398 26010 32370 33813 36686 37570 42330 47974 48555 55029 56355 63495 67626 71961 91715 97110 110058 112710 119935 126990 143922 165087 169065 183430 215883 239870 275145 311831 330174 338130 359805 431766 550290 623662 719610 825435 935493 1079415 1559155 1650870 1870986 2158830 2806479 3118310 4677465 5612958 9354930 14032395 28064790
• Sum of all divisors σ(n): 84481488
• Sum of proper divisors (its aliquot sum) s(n): 56416698
• 28064790 is an abundant number, because the sum of its proper divisors (56416698) is greater than itself. Its abundance is 28351908

Bases of 28064790

• Binary: 1101011000011110000010110₂
• Hexadecimal: 0x1AC3C16
• Base-36: GPIXI

Squares and roots of 28064790

• 28064790 squared (28064790²) is 787632437744100
• 28064790 cubed (28064790³) is 22104738962476240239000
• The square root of 28064790 is 5297.6211642585
• The cube root of 28064790 is 303.8929317665

Scales and comparisons

• 28,064,790 seconds is equal to 46 weeks, 2 days, 19 hours, 46 minutes, 30 seconds.
• To count from 1 to 28,064,790 would take you about seventeen 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 28064790 cubic inches would be around 25.3 feet tall.

Recreational maths with 28064790

• 28064790 backwards is 09746082
• The number of decimal digits it has is: 8
• The sum of 28064790's digits is 36
• More coming soon!