28326720

Names of 28326720

• Cardinal: 28326720 can be written as Twenty-eight million, three hundred twenty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.832672 × 10⁷

Factors of 28326720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1582

Divisors of 28326720

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 152 160 190 192 228 240 285 304 320 380 456 480 570 608 760 912 960 1140 1216 1520 1553 1824 2280 3040 3106 3648 4560 4659 6080 6212 7765 9120 9318 12424 15530 18240 18636 23295 24848 29507 31060 37272 46590 49696 59014 62120 74544 88521 93180 99392 118028 124240 147535 149088 177042 186360 236056 248480 295070 298176 354084 372720 442605 472112 496960 590140 708168 745440 885210 944224 1180280 1416336 1490880 1770420 1888448 2360560 2832672 3540840 4721120 5665344 7081680 9442240 14163360 28326720
• Sum of all divisors σ(n): 94731840
• Sum of proper divisors (its aliquot sum) s(n): 66405120
• 28326720 is an abundant number, because the sum of its proper divisors (66405120) is greater than itself. Its abundance is 38078400

Bases of 28326720

• Binary: 1101100000011101101000000₂
• Hexadecimal: 0x1B03B40
• Base-36: GV51C

Squares and roots of 28326720

• 28326720 squared (28326720²) is 802403065958400
• 28326720 cubed (28326720³) is 22729446976545128448000
• The square root of 28326720 is 5322.2852234729
• The cube root of 28326720 is 304.8354213765

Scales and comparisons

• 28,326,720 seconds is equal to 46 weeks, 5 days, 20 hours, 32 minutes.
• To count from 1 to 28,326,720 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 28326720 cubic inches would be around 25.4 feet tall.

Recreational maths with 28326720

• 28326720 backwards is 02762382
• 28326720 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28326720's digits is 30
• More coming soon!