82997820
82,997,820 is an even composite number composed of five prime numbers multiplied together.
82997820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 82997820:
22 × 32 × 5 × 61 × 7559
(2 × 2 × 3 × 3 × 5 × 61 × 7559)See below for interesting mathematical facts about the number 82997820 from the Numbermatics database.
Names of 82997820
- Cardinal: 82997820 can be written as Eighty-two million, nine hundred ninety-seven thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 8.299782 × 107
Factors of 82997820
Divisors of 82997820
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 61 90 122 180 183 244 305 366 549 610 732 915 1098 1220 1830 2196 2745 3660 5490 7559 10980 15118 22677 30236 37795 45354 68031 75590 90708 113385 136062 151180 226770 272124 340155 453540 461099 680310 922198 1360620 1383297 1844396 2305495 2766594 4149891 4610990 5533188 6916485 8299782 9221980 13832970 16599564 20749455 27665940 41498910 82997820
- Sum of all divisors σ(n): 255921120
- Sum of proper divisors (its aliquot sum) s(n): 172923300
- 82997820 is an abundant number, because the sum of its proper divisors (172923300) is greater than itself. Its abundance is 89925480
Bases of 82997820
- Binary: 1001111001001110010001111002
- Hexadecimal: 0x4F2723C
- Base-36: 1DEXJ0
Squares and roots of 82997820
- 82997820 squared (829978202) is 6888638124752400
- 82997820 cubed (829978203) is 571741947123337239768000
-
The
square root of 82997820 is 9110.3139353151 -
The
cube root of 82997820 is 436.2032481105
Scales and comparisons
How big is 82997820?- 82,997,820 seconds is equal to 2 years, 33 weeks, 1 day, 14 hours, 57 minutes.
-
To count from 1 to 82,997,820 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 82997820 cubic inches would be around 36.4 feet tall.
Recreational maths with 82997820
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