28004550

Names of 28004550

• Cardinal: 28004550 can be written as Twenty-eight million, four thousand, five hundred fifty.

Scientific notation

• Scientific notation: 2.800455 × 10⁷

Factors of 28004550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 345

Divisors of 28004550

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 149 150 175 179 210 298 350 358 447 525 537 745 894 895 1043 1050 1074 1253 1490 1790 2086 2235 2506 2685 3129 3725 3759 4470 4475 5215 5370 6258 6265 7450 7518 8950 10430 11175 12530 13425 15645 18795 22350 26075 26671 26850 31290 31325 37590 52150 53342 62650 78225 80013 93975 133355 156450 160026 186697 187950 266710 373394 400065 560091 666775 800130 933485 1120182 1333550 1866970 2000325 2800455 4000650 4667425 5600910 9334850 14002275 28004550
• Sum of all divisors σ(n): 80352000
• Sum of proper divisors (its aliquot sum) s(n): 52347450
• 28004550 is an abundant number, because the sum of its proper divisors (52347450) is greater than itself. Its abundance is 24342900

Bases of 28004550

• Binary: 1101010110101000011000110₂
• Hexadecimal: 0x1AB50C6
• Base-36: GO8G6

Squares and roots of 28004550

• 28004550 squared (28004550²) is 784254820702500
• 28004550 cubed (28004550³) is 21962703339104196375000
• The square root of 28004550 is 5291.9325392525
• The cube root of 28004550 is 303.6753444869

Scales and comparisons

• 28,004,550 seconds is equal to 46 weeks, 2 days, 3 hours, 2 minutes, 30 seconds.
• To count from 1 to 28,004,550 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 28004550 cubic inches would be around 25.3 feet tall.

Recreational maths with 28004550

• 28004550 backwards is 05540082
• The number of decimal digits it has is: 8
• The sum of 28004550's digits is 24
• More coming soon!