18431980
18,431,980 is an even composite number composed of five prime numbers multiplied together.
18431980 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 18431980:
22 × 5 × 7 × 312 × 137
(2 × 2 × 5 × 7 × 31 × 31 × 137)See below for interesting mathematical facts about the number 18431980 from the Numbermatics database.
Names of 18431980
- Cardinal: 18431980 can be written as Eighteen million, four hundred thirty-one thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.843198 × 107
Factors of 18431980
Divisors of 18431980
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 31 35 62 70 124 137 140 155 217 274 310 434 548 620 685 868 959 961 1085 1370 1918 1922 2170 2740 3836 3844 4247 4340 4795 4805 6727 8494 9590 9610 13454 16988 19180 19220 21235 26908 29729 33635 42470 59458 67270 84940 118916 131657 134540 148645 263314 297290 526628 594580 658285 921599 1316570 1843198 2633140 3686396 4607995 9215990 18431980
- Sum of all divisors σ(n): 46043424
- Sum of proper divisors (its aliquot sum) s(n): 27611444
- 18431980 is an abundant number, because the sum of its proper divisors (27611444) is greater than itself. Its abundance is 9179464
Bases of 18431980
- Binary: 10001100100111111111011002
- Hexadecimal: 0x1193FEC
- Base-36: AZ27G
Squares and roots of 18431980
- 18431980 squared (184319802) is 339737886720400
- 18431980 cubed (184319803) is 6262041933272678392000
-
The
square root of 18431980 is 4293.2481875615 -
The
cube root of 18431980 is 264.1540843695
Scales and comparisons
How big is 18431980?- 18,431,980 seconds is equal to 30 weeks, 3 days, 7 hours, 59 minutes, 40 seconds.
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To count from 1 to 18,431,980 would take you about forty-five weeks!
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 18431980 cubic inches would be around 22 feet tall.
Recreational maths with 18431980
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The information we have on file for 18431980 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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