28613250

Names of 28613250

• Cardinal: 28613250 can be written as Twenty-eight million, six hundred thirteen thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.861325 × 10⁷

Factors of 28613250

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 167

Divisors of 28613250

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 125 135 150 157 162 225 243 250 270 314 375 405 450 471 486 675 729 750 785 810 942 1125 1215 1350 1413 1458 1570 2025 2250 2355 2430 2826 3375 3645 3925 4050 4239 4710 6075 6750 7065 7290 7850 8478 10125 11775 12150 12717 14130 18225 19625 20250 21195 23550 25434 30375 35325 36450 38151 39250 42390 58875 60750 63585 70650 76302 91125 105975 114453 117750 127170 176625 182250 190755 211950 228906 317925 353250 381510 529875 572265 635850 953775 1059750 1144530 1589625 1907550 2861325 3179250 4768875 5722650 9537750 14306625 28613250
• Sum of all divisors σ(n): 80820792
• Sum of proper divisors (its aliquot sum) s(n): 52207542
• 28613250 is an abundant number, because the sum of its proper divisors (52207542) is greater than itself. Its abundance is 23594292

Bases of 28613250

• Binary: 1101101001001101010000010₂
• Hexadecimal: 0x1B49A82
• Base-36: H1A4I

Squares and roots of 28613250

• 28613250 squared (28613250²) is 818718075562500
• 28613250 cubed (28613250³) is 23426184975588703125000
• The square root of 28613250 is 5349.1354441629
• The cube root of 28613250 is 305.8597973637

Scales and comparisons

• 28,613,250 seconds is equal to 47 weeks, 2 days, 4 hours, 7 minutes, 30 seconds.
• To count from 1 to 28,613,250 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 28613250 cubic inches would be around 25.5 feet tall.

Recreational maths with 28613250

• 28613250 backwards is 05231682
• 28613250 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28613250's digits is 27
• More coming soon!