1998180
1,998,180 is an even composite number composed of five prime numbers multiplied together.
1998180 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 1998180:
22 × 32 × 5 × 17 × 653
(2 × 2 × 3 × 3 × 5 × 17 × 653)See below for interesting mathematical facts about the number 1998180 from the Numbermatics database.
Names of 1998180
- Cardinal: 1998180 can be written as One million, nine hundred ninety-eight thousand, one hundred eighty.
Scientific notation
- Scientific notation: 1.99818 × 106
Factors of 1998180
Divisors of 1998180
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 653 765 1020 1306 1530 1959 2612 3060 3265 3918 5877 6530 7836 9795 11101 11754 13060 19590 22202 23508 29385 33303 39180 44404 55505 58770 66606 99909 111010 117540 133212 166515 199818 222020 333030 399636 499545 666060 999090 1998180
- Sum of all divisors σ(n): 6427512
- Sum of proper divisors (its aliquot sum) s(n): 4429332
- 1998180 is an abundant number, because the sum of its proper divisors (4429332) is greater than itself. Its abundance is 2431152
Bases of 1998180
- Binary: 1111001111101011001002
- Hexadecimal: 0x1E7D64
- Base-36: 16TT0
Squares and roots of 1998180
- 1998180 squared (19981802) is 3992723312400
- 1998180 cubed (19981803) is 7978179868371432000
-
The
square root of 1998180 is 1413.5699487467 -
The
cube root of 1998180 is 125.9538757857
Scales and comparisons
How big is 1998180?- 1,998,180 seconds is equal to 3 weeks, 2 days, 3 hours, 3 minutes.
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To count from 1 to 1,998,180 would take you about four 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 1998180 cubic inches would be around 10.5 feet tall.
Recreational maths with 1998180
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The information we have on file for 1998180 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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