28068800

Names of 28068800

• Cardinal: 28068800 can be written as Twenty-eight million, sixty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.80688 × 10⁷

Factors of 28068800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 391

Divisors of 28068800

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 53 64 80 100 106 160 200 212 265 320 331 400 424 530 662 800 848 1060 1324 1325 1600 1655 1696 2120 2648 2650 3310 3392 4240 5296 5300 6620 8275 8480 10592 10600 13240 16550 16960 17543 21184 21200 26480 33100 35086 42400 52960 66200 70172 84800 87715 105920 132400 140344 175430 264800 280688 350860 438575 529600 561376 701720 877150 1122752 1403440 1754300 2806880 3508600 5613760 7017200 14034400 28068800
• Sum of all divisors σ(n): 70582536
• Sum of proper divisors (its aliquot sum) s(n): 42513736
• 28068800 is an abundant number, because the sum of its proper divisors (42513736) is greater than itself. Its abundance is 14444936

Bases of 28068800

• Binary: 1101011000100101111000000₂
• Hexadecimal: 0x1AC4BC0
• Base-36: GPM0W

Squares and roots of 28068800

• 28068800 squared (28068800²) is 787857533440000
• 28068800 cubed (28068800³) is 22114215534620672000000
• The square root of 28068800 is 5297.9996224991
• The cube root of 28068800 is 303.9074048557

Scales and comparisons

• 28,068,800 seconds is equal to 46 weeks, 2 days, 20 hours, 53 minutes, 20 seconds.
• To count from 1 to 28,068,800 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 28068800 cubic inches would be around 25.3 feet tall.

Recreational maths with 28068800

• 28068800 backwards is 00886082
• 28068800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28068800's digits is 32
• More coming soon!