28809216

Names of 28809216

• Cardinal: 28809216 can be written as Twenty-eight million, eight hundred nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.8809216 × 10⁷

Factors of 28809216

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 526

Divisors of 28809216

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 521 576 768 864 1024 1042 1152 1536 1563 1728 2048 2084 2304 3072 3126 3456 4168 4608 4689 6144 6252 6912 8336 9216 9378 12504 13824 14067 16672 18432 18756 25008 27648 28134 33344 37512 50016 55296 56268 66688 75024 100032 112536 133376 150048 200064 225072 266752 300096 400128 450144 533504 600192 800256 900288 1067008 1200384 1600512 1800576 2400768 3201024 3601152 4801536 7202304 9603072 14404608 28809216
• Sum of all divisors σ(n): 85503600
• Sum of proper divisors (its aliquot sum) s(n): 56694384
• 28809216 is an abundant number, because the sum of its proper divisors (56694384) is greater than itself. Its abundance is 27885168

Bases of 28809216

• Binary: 1101101111001100000000000₂
• Hexadecimal: 0x1B79800
• Base-36: H5HC0

Squares and roots of 28809216

• 28809216 squared (28809216²) is 829970926534656
• 28809216 cubed (28809216³) is 23910811696257036189696
• The square root of 28809216 is 5367.4217274219
• The cube root of 28809216 is 306.5564653395

Scales and comparisons

• 28,809,216 seconds is equal to 47 weeks, 4 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 28,809,216 would take you about nineteen 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 28809216 cubic inches would be around 25.5 feet tall.

Recreational maths with 28809216

• 28809216 backwards is 61290882
• 28809216 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28809216's digits is 36
• More coming soon!