28135512

Names of 28135512

• Cardinal: 28135512 can be written as Twenty-eight million, one hundred thirty-five thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.8135512 × 10⁷

Factors of 28135512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 399

Divisors of 28135512

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 41 54 72 81 82 108 123 162 164 216 243 246 324 328 353 369 486 492 648 706 738 972 984 1059 1107 1412 1476 1944 2118 2214 2824 2952 3177 3321 4236 4428 6354 6642 8472 8856 9531 9963 12708 13284 14473 19062 19926 25416 26568 28593 28946 38124 39852 43419 57186 57892 76248 79704 85779 86838 114372 115784 130257 171558 173676 228744 260514 343116 347352 390771 521028 686232 781542 1042056 1172313 1563084 2344626 3126168 3516939 4689252 7033878 9378504 14067756 28135512
• Sum of all divisors σ(n): 81179280
• Sum of proper divisors (its aliquot sum) s(n): 53043768
• 28135512 is an abundant number, because the sum of its proper divisors (53043768) is greater than itself. Its abundance is 24908256

Bases of 28135512

• Binary: 1101011010101000001011000₂
• Hexadecimal: 0x1AD5058
• Base-36: GR1I0

Squares and roots of 28135512

• 28135512 squared (28135512²) is 791607035502144
• 28135512 cubed (28135512³) is 22272269246654998537728
• The square root of 28135512 is 5304.2918471743
• The cube root of 28135512 is 304.1479831229

Scales and comparisons

• 28,135,512 seconds is equal to 46 weeks, 3 days, 15 hours, 25 minutes, 12 seconds.
• To count from 1 to 28,135,512 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 28135512 cubic inches would be around 25.3 feet tall.

Recreational maths with 28135512

• 28135512 backwards is 21553182
• 28135512 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28135512's digits is 27
• More coming soon!