28342800

Names of 28342800

• Cardinal: 28342800 can be written as Twenty-eight million, three hundred forty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.83428 × 10⁷

Factors of 28342800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7883

Divisors of 28342800

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 7873 15746 23619 31492 39365 47238 62984 70857 78730 94476 118095 125968 141714 157460 188952 196825 236190 283428 314920 354285 377904 393650 472380 566856 590475 629840 708570 787300 944760 1133712 1180950 1417140 1574600 1771425 1889520 2361900 2834280 3149200 3542850 4723800 5668560 7085700 9447600 14171400 28342800
• Sum of all divisors σ(n): 98369882
• Sum of proper divisors (its aliquot sum) s(n): 70027082
• 28342800 is an abundant number, because the sum of its proper divisors (70027082) is greater than itself. Its abundance is 41684282

Bases of 28342800

• Binary: 1101100000111101000010000₂
• Hexadecimal: 0x1B07A10
• Base-36: GVHG0

Squares and roots of 28342800

• 28342800 squared (28342800²) is 803314311840000
• 28342800 cubed (28342800³) is 22768176877618752000000
• The square root of 28342800 is 5323.7956384519
• The cube root of 28342800 is 304.8930916181

Scales and comparisons

• 28,342,800 seconds is equal to 46 weeks, 6 days, 1 hour.
• To count from 1 to 28,342,800 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 28342800 cubic inches would be around 25.4 feet tall.

Recreational maths with 28342800

• 28342800 backwards is 00824382
• The number of decimal digits it has is: 8
• The sum of 28342800's digits is 27
• More coming soon!