82728678890

Names of 82728678890

• Cardinal: 82728678890 can be written as Eighty-two billion, seven hundred twenty-eight million, six hundred seventy-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 8.272867889 × 10¹⁰

Factors of 82728678890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3121

Divisors of 82728678890

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 110 121 130 137 143 169 242 274 286 338 605 685 715 845 1210 1370 1430 1507 1573 1690 1781 1859 2953 3014 3146 3562 3718 5906 7535 7865 8905 9295 14765 15070 15730 16577 17810 18590 19591 20449 23153 29530 32483 33154 38389 39182 40898 46306 64966 76778 82885 97955 102245 115765 162415 165770 191945 195910 204490 215501 231530 254683 324830 357313 383890 404561 422279 431002 499057 509366 714626 809122 844558 998114 1077505 1273415 1786565 2022805 2111395 2155010 2495285 2546830 2801513 3573130 4045610 4222790 4450171 4645069 4990570 5259293 5489627 5603026 8900342 9290138 10518586 10979254 14007565 22250855 23225345 26296465 27448135 28015130 44501710 46450690 48951881 52592930 54896270 57852223 60385897 68370809 97903762 115704446 120771794 136741618 244759405 289261115 301929485 341854045 489518810 578522230 603858970 636374453 683708090 752078899 1272748906 1504157798 3181872265 3760394495 6363744530 7520788990 8272867889 16545735778 41364339445 82728678890
• Sum of all divisors σ(n): 178593156504
• Sum of proper divisors (its aliquot sum) s(n): 95864477614
• 82728678890 is an abundant number, because the sum of its proper divisors (95864477614) is greater than itself. Its abundance is 13135798724

Bases of 82728678890

• Binary: 1001101000011000000110111010111101010₂
• Hexadecimal: 0x13430375EA
• Base-36: 1206IP62

Squares and roots of 82728678890

• 82728678890 squared (82728678890²) is 6844034310884731632100
• 82728678890 cubed (82728678890³) is 566197916817325394995826516369000
• The square root of 82728678890 is 287625.9357046927
• The cube root of 82728678890 is 4357.3123830213

Scales and comparisons

• 82,728,678,890 seconds is equal to 2,630 years, 26 weeks, 5 days, 20 hours, 34 minutes, 50 seconds.
• To count from 1 to 82,728,678,890 would take you about five thousand, two hundred sixty-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 82728678890 cubic inches would be around 363.1 feet tall.

Recreational maths with 82728678890

• 82728678890 backwards is 09887682728
• 82728678890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82728678890's digits is 65
• More coming soon!