18388400490
18,388,400,490 is an even composite number composed of five prime numbers multiplied together.
18388400490 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 18388400490:
2 × 35 × 5 × 1572 × 307
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 157 × 157 × 307)See below for interesting mathematical facts about the number 18388400490 from the Numbermatics database.
Names of 18388400490
- Cardinal: 18388400490 can be written as Eighteen billion, three hundred eighty-eight million, four hundred thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.838840049 × 1010
Factors of 18388400490
Divisors of 18388400490
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 157 162 243 270 307 314 405 471 486 614 785 810 921 942 1215 1413 1535 1570 1842 2355 2430 2763 2826 3070 4239 4605 4710 5526 7065 8289 8478 9210 12717 13815 14130 16578 21195 24649 24867 25434 27630 38151 41445 42390 48199 49298 49734 63585 73947 74601 76302 82890 96398 123245 124335 127170 144597 147894 149202 190755 221841 240995 246490 248670 289194 369735 373005 381510 433791 443682 481990 665523 722985 739470 746010 867582 1109205 1301373 1331046 1445970 1996569 2168955 2218410 2602746 3327615 3904119 3993138 4337910 5989707 6506865 6655230 7567243 7808238 9982845 11712357 11979414 13013730 15134486 19520595 19965690 22701729 23424714 29948535 37836215 39041190 45403458 58561785 59897070 68105187 75672430 113508645 117123570 136210374 204315561 227017290 340525935 408631122 612946683 681051870 1021577805 1225893366 1838840049 2043155610 3064733415 3677680098 6129466830 9194200245 18388400490
- Sum of all divisors σ(n): 50060922912
- Sum of proper divisors (its aliquot sum) s(n): 31672522422
- 18388400490 is an abundant number, because the sum of its proper divisors (31672522422) is greater than itself. Its abundance is 13284121932
Bases of 18388400490
- Binary: 100010010000000100010111001011010102
- Hexadecimal: 0x44808B96A
- Base-36: 8G3Z8MI
Squares and roots of 18388400490
- 18388400490 squared (183884004902) is 338133272580632240100
- 18388400490 cubed (183884004903) is 6217730035207001448364637649000
-
The
square root of 18388400490 is 135603.8365607699 -
The
cube root of 18388400490 is 2639.4573652289
Scales and comparisons
How big is 18388400490?- 18,388,400,490 seconds is equal to 584 years, 36 weeks, 17 hours, 1 minute, 30 seconds.
-
To count from 1 to 18,388,400,490 would take you about one thousand, one hundred sixty-nine 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 18388400490 cubic inches would be around 220 feet tall.
Recreational maths with 18388400490
- 18388400490 backwards is 09400488381
- 18388400490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18388400490's digits is 45
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 18388400490 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.
APA style:
Numbermatics. (2024). Number 18388400490 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/18388400490/
Chicago style:
Numbermatics. 2024. "Number 18388400490 - Facts about the integer". https://numbermatics.com/n/18388400490/
The information we have on file for 18388400490 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 18388400490, math, Factors of 18388400490, curriculum, school, college, exams, university, Prime factorization of 18388400490, STEM, science, technology, engineering, physics, economics, calculator, eighteen billion, three hundred eighty-eight million, four hundred thousand, four hundred ninety.