18117462990
18,117,462,990 is an even composite number composed of seven prime numbers multiplied together.
18117462990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 18117462990:
2 × 3 × 5 × 11 × 31 × 61 × 29033
See below for interesting mathematical facts about the number 18117462990 from the Numbermatics database.
Names of 18117462990
- Cardinal: 18117462990 can be written as Eighteen billion, one hundred seventeen million, four hundred sixty-two thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.811746299 × 1010
Factors of 18117462990
Divisors of 18117462990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 31 33 55 61 62 66 93 110 122 155 165 183 186 305 310 330 341 366 465 610 671 682 915 930 1023 1342 1705 1830 1891 2013 2046 3355 3410 3782 4026 5115 5673 6710 9455 10065 10230 11346 18910 20130 20801 28365 29033 41602 56730 58066 62403 87099 104005 124806 145165 174198 208010 290330 312015 319363 435495 624030 638726 870990 900023 958089 1596815 1771013 1800046 1916178 2700069 3193630 3542026 4500115 4790445 5313039 5400138 8855065 9000230 9580890 9900253 10626078 13500345 17710130 19481143 19800506 26565195 27000690 29700759 38962286 49501265 53130390 54901403 58443429 59401518 97405715 99002530 109802806 116886858 148503795 164704209 194811430 274507015 292217145 297007590 329408418 549014030 584434290 603915433 823521045 1207830866 1647042090 1811746299 3019577165 3623492598 6039154330 9058731495 18117462990
- Sum of all divisors σ(n): 49769385984
- Sum of proper divisors (its aliquot sum) s(n): 31651922994
- 18117462990 is an abundant number, because the sum of its proper divisors (31651922994) is greater than itself. Its abundance is 13534460004
Bases of 18117462990
- Binary: 100001101111110001010001011110011102
- Hexadecimal: 0x437E28BCE
- Base-36: 8BMO3WU
Squares and roots of 18117462990
- 18117462990 squared (181174629902) is 328242465194019740100
- 18117462990 cubed (181174629903) is 5946920714899015810591168899000
-
The
square root of 18117462990 is 134601.1255153537 -
The
cube root of 18117462990 is 2626.4297814499
Scales and comparisons
How big is 18117462990?- 18,117,462,990 seconds is equal to 576 years, 4 weeks, 20 hours, 36 minutes, 30 seconds.
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To count from 1 to 18,117,462,990 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 18117462990 cubic inches would be around 218.9 feet tall.
Recreational maths with 18117462990
- 18117462990 backwards is 09926471181
- The number of decimal digits it has is: 11
- The sum of 18117462990's digits is 48
- More coming soon!
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The information we have on file for 18117462990 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 18117462990, math, Factors of 18117462990, curriculum, school, college, exams, university, Prime factorization of 18117462990, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, one hundred seventeen million, four hundred sixty-two thousand, nine hundred ninety.