82805721680
82,805,721,680 is an even composite number composed of five prime numbers multiplied together.
82805721680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 82805721680:
24 × 5 × 11 × 109 × 863279
(2 × 2 × 2 × 2 × 5 × 11 × 109 × 863279)See below for interesting mathematical facts about the number 82805721680 from the Numbermatics database.
Names of 82805721680
- Cardinal: 82805721680 can be written as Eighty-two billion, eight hundred five million, seven hundred twenty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 8.280572168 × 1010
Factors of 82805721680
Divisors of 82805721680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 109 110 176 218 220 436 440 545 872 880 1090 1199 1744 2180 2398 4360 4796 5995 8720 9592 11990 19184 23980 47960 95920 863279 1726558 3453116 4316395 6906232 8632790 9496069 13812464 17265580 18992138 34531160 37984276 47480345 69062320 75968552 94097411 94960690 151937104 188194822 189921380 376389644 379842760 470487055 752779288 759685520 940974110 1035071521 1505558576 1881948220 2070143042 3763896440 4140286084 5175357605 7527792880 8280572168 10350715210 16561144336 20701430420 41402860840 82805721680
- Sum of all divisors σ(n): 211952505600
- Sum of proper divisors (its aliquot sum) s(n): 129146783920
- 82805721680 is an abundant number, because the sum of its proper divisors (129146783920) is greater than itself. Its abundance is 46341062240
Bases of 82805721680
- Binary: 10011010001111001101100001010010100002
- Hexadecimal: 0x13479B0A50
- Base-36: 121GDZRK
Squares and roots of 82805721680
- 82805721680 squared (828057216802) is 6856787542945622022400
- 82805721680 cubed (828057216803) is 567781240900046224561333125632000
-
The
square root of 82805721680 is 287759.8333332851 -
The
cube root of 82805721680 is 4358.6645757241
Scales and comparisons
How big is 82805721680?- 82,805,721,680 seconds is equal to 2,632 years, 50 weeks, 1 day, 13 hours, 21 minutes, 20 seconds.
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To count from 1 to 82,805,721,680 would take you about five thousand, two hundred sixty-five 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 82805721680 cubic inches would be around 363.2 feet tall.
Recreational maths with 82805721680
- 82805721680 backwards is 08612750828
- The number of decimal digits it has is: 11
- The sum of 82805721680's digits is 47
- More coming soon!
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