28288572

Names of 28288572

• Cardinal: 28288572 can be written as Twenty-eight million, two hundred eighty-eight thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 2.8288572 × 10⁷

Factors of 28288572

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 84

Divisors of 28288572

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 13 26 29 37 39 52 58 74 78 87 111 116 148 156 169 174 222 338 348 377 444 481 507 676 754 962 1014 1073 1131 1443 1508 1924 2028 2146 2197 2262 2886 3219 4292 4394 4524 4901 5772 6253 6438 6591 8788 9802 12506 12876 13182 13949 14703 18759 19604 25012 26364 27898 29406 37518 41847 55796 58812 63713 75036 81289 83694 127426 162578 167388 181337 191139 243867 254852 325156 362674 382278 487734 544011 725348 764556 975468 1088022 2176044 2357381 4714762 7072143 9429524 14144286 28288572
• Sum of all divisors σ(n): 75969600
• Sum of proper divisors (its aliquot sum) s(n): 47681028
• 28288572 is an abundant number, because the sum of its proper divisors (47681028) is greater than itself. Its abundance is 19392456

Bases of 28288572

• Binary: 1101011111010011000111100₂
• Hexadecimal: 0x1AFA63C
• Base-36: GUBLO

Squares and roots of 28288572

• 28288572 squared (28288572²) is 800243305799184
• 28288572 cubed (28288572³) is 22637740373618234125248
• The square root of 28288572 is 5318.7002171583
• The cube root of 28288572 is 304.6985178237

Scales and comparisons

• 28,288,572 seconds is equal to 46 weeks, 5 days, 9 hours, 56 minutes, 12 seconds.
• To count from 1 to 28,288,572 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 28288572 cubic inches would be around 25.4 feet tall.

Recreational maths with 28288572

• 28288572 backwards is 27588282
• The number of decimal digits it has is: 8
• The sum of 28288572's digits is 42
• More coming soon!