82145772
82,145,772 is an even composite number composed of five prime numbers multiplied together.
82145772 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 82145772:
22 × 33 × 37 × 61 × 337
(2 × 2 × 3 × 3 × 3 × 37 × 61 × 337)See below for interesting mathematical facts about the number 82145772 from the Numbermatics database.
Names of 82145772
- Cardinal: 82145772 can be written as Eighty-two million, one hundred forty-five thousand, seven hundred seventy-two.
Scientific notation
- Scientific notation: 8.2145772 × 107
Factors of 82145772
Divisors of 82145772
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 9 12 18 27 36 37 54 61 74 108 111 122 148 183 222 244 333 337 366 444 549 666 674 732 999 1011 1098 1332 1348 1647 1998 2022 2196 2257 3033 3294 3996 4044 4514 6066 6588 6771 9028 9099 12132 12469 13542 18198 20313 20557 24938 27084 36396 37407 40626 41114 49876 60939 61671 74814 81252 82228 112221 121878 123342 149628 185013 224442 243756 246684 336663 370026 448884 555039 673326 740052 760609 1110078 1346652 1521218 2220156 2281827 3042436 4563654 6845481 9127308 13690962 20536443 27381924 41072886 82145772
- Sum of all divisors σ(n): 222971840
- Sum of proper divisors (its aliquot sum) s(n): 140826068
- 82145772 is an abundant number, because the sum of its proper divisors (140826068) is greater than itself. Its abundance is 58680296
Bases of 82145772
- Binary: 1001110010101110001111011002
- Hexadecimal: 0x4E571EC
- Base-36: 1CWO30
Squares and roots of 82145772
- 82145772 squared (821457722) is 6747927857475984
- 82145772 cubed (821457723) is 554313743252670677139648
-
The
square root of 82145772 is 9063.4304763705 -
The
cube root of 82145772 is 434.7054367267
Scales and comparisons
How big is 82145772?- 82,145,772 seconds is equal to 2 years, 31 weeks, 5 days, 18 hours, 16 minutes, 12 seconds.
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To count from 1 to 82,145,772 would take you about three 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 82145772 cubic inches would be around 36.2 feet tall.
Recreational maths with 82145772
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