28727578955920

Names of 28727578955920

• Cardinal: 28727578955920 can be written as Twenty-eight trillion, seven hundred twenty-seven billion, five hundred seventy-eight million, nine hundred fifty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.872757895592 × 10¹³

Factors of 28727578955920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 27622672093

Divisors of 28727578955920

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 27622672073 55245344146 110490688292 138113360365 220981376584 276226720730 359094736949 441962753168 552453441460 718189473898 1104906882920 1436378947796 1795473684745 2209813765840 2872757895592 3590947369490 5745515791184 7181894738980 14363789477960 28727578955920
• Sum of all divisors σ(n): 71929438080696
• Sum of proper divisors (its aliquot sum) s(n): 43201859124776
• 28727578955920 is an abundant number, because the sum of its proper divisors (43201859124776) is greater than itself. Its abundance is 14474280168856

Bases of 28727578955920

• Binary: 110100010000010101001001000111001000010010000₂
• Hexadecimal: 0x1A20A9239090
• Base-36: A6L9MSAZ4

Squares and roots of 28727578955920

• 28727578955920 squared (28727578955920²) is 825273792668617637303046400
• 28727578955920 cubed (28727578955920³) is 23708118039139265215583946944347314688000
• The square root of 28727578955920 is 5359811.4664529013
• The cube root of 28727578955920 is 30626.6627067765

Scales and comparisons

• 28,727,578,955,920 seconds is equal to 913,448 years, 7 weeks, 5 days, 19 hours, 18 minutes, 40 seconds.
• To count from 1 to 28,727,578,955,920 would take you about two million, two hundred eighty-three thousand, six hundred twenty 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 28727578955920 cubic inches would be around 2552.2 feet tall.

Recreational maths with 28727578955920

• 28727578955920 backwards is 02955987572782
• The number of decimal digits it has is: 14
• The sum of 28727578955920's digits is 76
• More coming soon!