18131819940
18,131,819,940 is an even composite number composed of six prime numbers multiplied together.
18131819940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 18131819940:
22 × 32 × 5 × 13 × 337 × 22993
(2 × 2 × 3 × 3 × 5 × 13 × 337 × 22993)See below for interesting mathematical facts about the number 18131819940 from the Numbermatics database.
Names of 18131819940
- Cardinal: 18131819940 can be written as Eighteen billion, one hundred thirty-one million, eight hundred nineteen thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.813181994 × 1010
Factors of 18131819940
Divisors of 18131819940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 337 390 468 585 674 780 1011 1170 1348 1685 2022 2340 3033 3370 4044 4381 5055 6066 6740 8762 10110 12132 13143 15165 17524 20220 21905 22993 26286 30330 39429 43810 45986 52572 60660 65715 68979 78858 87620 91972 114965 131430 137958 157716 197145 206937 229930 262860 275916 298909 344895 394290 413874 459860 597818 689790 788580 827748 896727 1034685 1195636 1379580 1494545 1793454 2069370 2690181 2989090 3586908 4138740 4483635 5380362 5978180 7748641 8967270 10760724 13450905 15497282 17934540 23245923 26901810 30994564 38743205 46491846 53803620 69737769 77486410 92983692 100732333 116229615 139475538 154972820 201464666 232459230 278951076 302196999 348688845 402929332 464918460 503661665 604393998 697377690 906590997 1007323330 1208787996 1394755380 1510984995 1813181994 2014646660 3021969990 3626363988 4532954985 6043939980 9065909970 18131819940
- Sum of all divisors σ(n): 59408953968
- Sum of proper divisors (its aliquot sum) s(n): 41277134028
- 18131819940 is an abundant number, because the sum of its proper divisors (41277134028) is greater than itself. Its abundance is 23145314088
Bases of 18131819940
- Binary: 100001110001011110110011101101001002
- Hexadecimal: 0x438BD9DA4
- Base-36: 8BV7TT0
Squares and roots of 18131819940
- 18131819940 squared (181318199402) is 328762894336581603600
- 18131819940 cubed (181318199403) is 5961069603064143391591655784000
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The
square root of 18131819940 is 134654.4464174875 -
The
cube root of 18131819940 is 2627.1233584181
Scales and comparisons
How big is 18131819940?- 18,131,819,940 seconds is equal to 576 years, 27 weeks, 6 days, 39 minutes.
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To count from 1 to 18,131,819,940 would take you about one thousand, one hundred fifty-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 18131819940 cubic inches would be around 218.9 feet tall.
Recreational maths with 18131819940
- 18131819940 backwards is 04991813181
- 18131819940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18131819940's digits is 45
- More coming soon!
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Numbermatics. (2024). Number 18131819940 - Facts about the integer. Retrieved 13 May 2024, from https://numbermatics.com/n/18131819940/
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The information we have on file for 18131819940 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!
Keywords: Divisors of 18131819940, math, Factors of 18131819940, curriculum, school, college, exams, university, Prime factorization of 18131819940, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, one hundred thirty-one million, eight hundred nineteen thousand, nine hundred forty.