1981200
1,981,200 is an even composite number composed of five prime numbers multiplied together.
1981200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 1981200:
24 × 3 × 52 × 13 × 127
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 127)See below for interesting mathematical facts about the number 1981200 from the Numbermatics database.
Names of 1981200
- Cardinal: 1981200 can be written as One million, nine hundred eighty-one thousand, two hundred.
Scientific notation
- Scientific notation: 1.9812 × 106
Factors of 1981200
Divisors of 1981200
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 75 78 80 100 104 120 127 130 150 156 195 200 208 240 254 260 300 312 325 381 390 400 508 520 600 624 635 650 762 780 975 1016 1040 1200 1270 1300 1524 1560 1651 1905 1950 2032 2540 2600 3048 3120 3175 3302 3810 3900 4953 5080 5200 6096 6350 6604 7620 7800 8255 9525 9906 10160 12700 13208 15240 15600 16510 19050 19812 24765 25400 26416 30480 33020 38100 39624 41275 49530 50800 66040 76200 79248 82550 99060 123825 132080 152400 165100 198120 247650 330200 396240 495300 660400 990600 1981200
- Sum of all divisors σ(n): 6888448
- Sum of proper divisors (its aliquot sum) s(n): 4907248
- 1981200 is an abundant number, because the sum of its proper divisors (4907248) is greater than itself. Its abundance is 2926048
Bases of 1981200
- Binary: 1111000111011000100002
- Hexadecimal: 0x1E3B10
- Base-36: 16GPC
Squares and roots of 1981200
- 1981200 squared (19812002) is 3925153440000
- 1981200 cubed (19812003) is 7776513995328000000
-
The
square root of 1981200 is 1407.5510647931 -
The
cube root of 1981200 is 125.5960862643
Scales and comparisons
How big is 1981200?- 1,981,200 seconds is equal to 3 weeks, 1 day, 22 hours, 20 minutes.
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To count from 1 to 1,981,200 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 1981200 cubic inches would be around 10.5 feet tall.
Recreational maths with 1981200
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The information we have on file for 1981200 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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