18121418840
18,121,418,840 is an even composite number composed of five prime numbers multiplied together.
18121418840 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 18121418840:
23 × 5 × 7 × 612 × 17393
(2 × 2 × 2 × 5 × 7 × 61 × 61 × 17393)See below for interesting mathematical facts about the number 18121418840 from the Numbermatics database.
Names of 18121418840
- Cardinal: 18121418840 can be written as Eighteen billion, one hundred twenty-one million, four hundred eighteen thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.812141884 × 1010
Factors of 18121418840
Divisors of 18121418840
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 56 61 70 122 140 244 280 305 427 488 610 854 1220 1708 2135 2440 3416 3721 4270 7442 8540 14884 17080 17393 18605 26047 29768 34786 37210 52094 69572 74420 86965 104188 121751 130235 139144 148840 173930 208376 243502 260470 347860 487004 520940 608755 695720 974008 1041880 1060973 1217510 2121946 2435020 4243892 4870040 5304865 7426811 8487784 10609730 14853622 21219460 29707244 37134055 42438920 59414488 64719353 74268110 129438706 148536220 258877412 297072440 323596765 453035471 517754824 647193530 906070942 1294387060 1812141884 2265177355 2588774120 3624283768 4530354710 9060709420 18121418840
- Sum of all divisors σ(n): 47377081440
- Sum of proper divisors (its aliquot sum) s(n): 29255662600
- 18121418840 is an abundant number, because the sum of its proper divisors (29255662600) is greater than itself. Its abundance is 11134243760
Bases of 18121418840
- Binary: 100001110000001111011101000010110002
- Hexadecimal: 0x4381EE858
- Base-36: 8BP0W9K
Squares and roots of 18121418840
- 18121418840 squared (181214188402) is 328385820774706945600
- 18121418840 cubed (181214188403) is 5950816999375637839474695104000
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The
square root of 18121418840 is 134615.8194269901 -
The
cube root of 18121418840 is 2626.6209231157
Scales and comparisons
How big is 18121418840?- 18,121,418,840 seconds is equal to 576 years, 10 weeks, 4 days, 15 hours, 27 minutes, 20 seconds.
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To count from 1 to 18,121,418,840 would take you about one thousand, one hundred fifty-two 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 18121418840 cubic inches would be around 218.9 feet tall.
Recreational maths with 18121418840
- 18121418840 backwards is 04881412181
- The number of decimal digits it has is: 11
- The sum of 18121418840's digits is 38
- More coming soon!
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The information we have on file for 18121418840 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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