28327657920

Names of 28327657920

• Cardinal: 28327657920 can be written as Twenty-eight billion, three hundred twenty-seven million, six hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.832765792 × 10¹⁰

Factors of 28327657920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 29507987

Divisors of 28327657920

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 29507977 59015954 88523931 118031908 147539885 177047862 236063816 295079770 354095724 442619655 472127632 590159540 708191448 885239310 944255264 1180319080 1416382896 1770478620 1888510528 2360638160 2832765792 3540957240 4721276320 5665531584 7081914480 9442552640 14163828960 28327657920
• Sum of all divisors σ(n): 89940316944
• Sum of proper divisors (its aliquot sum) s(n): 61612659024
• 28327657920 is an abundant number, because the sum of its proper divisors (61612659024) is greater than itself. Its abundance is 33285001104

Bases of 28327657920

• Binary: 11010011000011101011100000111000000₂
• Hexadecimal: 0x69875C1C0
• Base-36: D0HK0QO

Squares and roots of 28327657920

• 28327657920 squared (28327657920²) is 802456203232538726400
• 28327657920 cubed (28327657920³) is 22731704820953355254611673088000
• The square root of 28327657920 is 168308.2229720223
• The cube root of 28327657920 is 3048.3878578633

Scales and comparisons

• 28,327,657,920 seconds is equal to 900 years, 38 weeks, 9 hours, 52 minutes.
• To count from 1 to 28,327,657,920 would take you about one thousand, eight hundred one years!

  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 28327657920 cubic inches would be around 254 feet tall.

Recreational maths with 28327657920

• 28327657920 backwards is 02975672382
• The number of decimal digits it has is: 11
• The sum of 28327657920's digits is 51
• More coming soon!