18018199890
18,018,199,890 is an even composite number composed of seven prime numbers multiplied together.
18018199890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18018199890:
2 × 32 × 5 × 19 × 41 × 233 × 1103
(2 × 3 × 3 × 5 × 19 × 41 × 233 × 1103)See below for interesting mathematical facts about the number 18018199890 from the Numbermatics database.
Names of 18018199890
- Cardinal: 18018199890 can be written as Eighteen billion, eighteen million, one hundred ninety-nine thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.801819989 × 1010
Factors of 18018199890
Divisors of 18018199890
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 19 30 38 41 45 57 82 90 95 114 123 171 190 205 233 246 285 342 369 410 466 570 615 699 738 779 855 1103 1165 1230 1398 1558 1710 1845 2097 2206 2330 2337 3309 3495 3690 3895 4194 4427 4674 5515 6618 6990 7011 7790 8854 9553 9927 10485 11030 11685 13281 14022 16545 19106 19854 20957 20970 22135 23370 26562 28659 33090 35055 39843 41914 44270 45223 47765 49635 57318 62871 66405 70110 79686 85977 90446 95530 99270 104785 125742 132810 135669 143295 171954 181507 188613 199215 209570 226115 256999 271338 286590 314355 363014 377226 398430 407007 429885 452230 513998 544521 628710 678345 770997 814014 859237 859770 907535 943065 1089042 1284995 1356690 1541994 1633563 1718474 1815070 1886130 2035035 2312991 2569990 2577711 2722605 3267126 3854985 4070070 4296185 4625982 4882981 5155422 5445210 7709970 7733133 8167815 8592370 9765962 10536959 11564955 12888555 14648943 15466266 16335630 21073918 23129910 24414905 25777110 29297886 31610877 38665665 43946829 48829810 52684795 63221754 73244715 77331330 87893658 94832631 105369590 146489430 158054385 189665262 200202221 219734145 316108770 400404442 439468290 474163155 600606663 948326310 1001011105 1201213326 1801819989 2002022210 3003033315 3603639978 6006066630 9009099945 18018199890
- Sum of all divisors σ(n): 50778524160
- Sum of proper divisors (its aliquot sum) s(n): 32760324270
- 18018199890 is an abundant number, because the sum of its proper divisors (32760324270) is greater than itself. Its abundance is 14742124380
Bases of 18018199890
- Binary: 100001100011111011111101001010100102
- Hexadecimal: 0x431F7E952
- Base-36: 89ZKK0I
Squares and roots of 18018199890
- 18018199890 squared (180181998902) is 324655527275996012100
- 18018199890 cubed (180181998903) is 5849708185852243344860658669000
-
The
square root of 18018199890 is 134231.8884989703 -
The
cube root of 18018199890 is 2621.6243782549
Scales and comparisons
How big is 18018199890?- 18,018,199,890 seconds is equal to 572 years, 47 weeks, 6 days, 23 hours, 31 minutes, 30 seconds.
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To count from 1 to 18,018,199,890 would take you about one thousand, one hundred forty-five 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 18018199890 cubic inches would be around 218.5 feet tall.
Recreational maths with 18018199890
- 18018199890 backwards is 09899181081
- The number of decimal digits it has is: 11
- The sum of 18018199890's digits is 54
- More coming soon!
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"Number 18018199890 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.
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Numbermatics. (2024). Number 18018199890 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/18018199890/
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The information we have on file for 18018199890 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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