28136250

Names of 28136250

• Cardinal: 28136250 can be written as Twenty-eight million, one hundred thirty-six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.813625 × 10⁷

Factors of 28136250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 112

Divisors of 28136250

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 41 45 50 61 75 82 90 122 123 125 150 183 205 225 246 250 305 366 369 375 410 450 549 610 615 625 738 750 915 1025 1098 1125 1230 1250 1525 1830 1845 1875 2050 2250 2501 2745 3050 3075 3690 3750 4575 5002 5125 5490 5625 6150 7503 7625 9150 9225 10250 11250 12505 13725 15006 15250 15375 18450 22509 22875 25010 25625 27450 30750 37515 38125 45018 45750 46125 51250 62525 68625 75030 76250 76875 92250 112545 114375 125050 137250 153750 187575 225090 228750 230625 312625 343125 375150 461250 562725 625250 686250 937875 1125450 1563125 1875750 2813625 3126250 4689375 5627250 9378750 14068125 28136250
• Sum of all divisors σ(n): 79315236
• Sum of proper divisors (its aliquot sum) s(n): 51178986
• 28136250 is an abundant number, because the sum of its proper divisors (51178986) is greater than itself. Its abundance is 23042736

Bases of 28136250

• Binary: 1101011010101001100111010₂
• Hexadecimal: 0x1AD533A
• Base-36: GR22I

Squares and roots of 28136250

• 28136250 squared (28136250²) is 791648564062500
• 28136250 cubed (28136250³) is 22274021910603515625000
• The square root of 28136250 is 5304.3614130261
• The cube root of 28136250 is 304.1506423867

Scales and comparisons

• 28,136,250 seconds is equal to 46 weeks, 3 days, 15 hours, 37 minutes, 30 seconds.
• To count from 1 to 28,136,250 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 28136250 cubic inches would be around 25.3 feet tall.

Recreational maths with 28136250

• 28136250 backwards is 05263182
• The number of decimal digits it has is: 8
• The sum of 28136250's digits is 27
• More coming soon!