21520420440
21,520,420,440 is an even composite number composed of five prime numbers multiplied together.
21520420440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21520420440:
23 × 3 × 5 × 733 × 461
(2 × 2 × 2 × 3 × 5 × 73 × 73 × 73 × 461)See below for interesting mathematical facts about the number 21520420440 from the Numbermatics database.
Names of 21520420440
- Cardinal: 21520420440 can be written as Twenty-one billion, five hundred twenty million, four hundred twenty thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.152042044 × 1010
Factors of 21520420440
Divisors of 21520420440
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 73 120 146 219 292 365 438 461 584 730 876 922 1095 1383 1460 1752 1844 2190 2305 2766 2920 3688 4380 4610 5329 5532 6915 8760 9220 10658 11064 13830 15987 18440 21316 26645 27660 31974 33653 42632 53290 55320 63948 67306 79935 100959 106580 127896 134612 159870 168265 201918 213160 269224 319740 336530 389017 403836 504795 639480 673060 778034 807672 1009590 1167051 1346120 1556068 1945085 2019180 2334102 2456669 3112136 3890170 4038360 4668204 4913338 5835255 7370007 7780340 9336408 9826676 11670510 12283345 14740014 15560680 19653352 23341020 24566690 29480028 36850035 46682040 49133380 58960056 73700070 98266760 147400140 179336837 294800280 358673674 538010511 717347348 896684185 1076021022 1434694696 1793368370 2152042044 2690052555 3586736740 4304084088 5380105110 7173473480 10760210220 21520420440
- Sum of all divisors σ(n): 65599934400
- Sum of proper divisors (its aliquot sum) s(n): 44079513960
- 21520420440 is an abundant number, because the sum of its proper divisors (44079513960) is greater than itself. Its abundance is 22559093520
Bases of 21520420440
- Binary: 101000000101011011110001110010110002
- Hexadecimal: 0x502B78E58
- Base-36: 9VWPAOO
Squares and roots of 21520420440
- 21520420440 squared (215204204402) is 463128495914369793600
- 21520420440 cubed (215204204403) is 9966719949822060195908021184000
-
The
square root of 21520420440 is 146698.3995822721 -
The
cube root of 21520420440 is 2781.5289469225
Scales and comparisons
How big is 21520420440?- 21,520,420,440 seconds is equal to 684 years, 14 weeks, 4 days, 22 hours, 34 minutes.
-
To count from 1 to 21,520,420,440 would take you about one thousand, three hundred sixty-eight 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 21520420440 cubic inches would be around 231.8 feet tall.
Recreational maths with 21520420440
- 21520420440 backwards is 04402402512
- 21520420440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21520420440's digits is 24
- 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 21520420440 - Facts about the integer". Numbermatics.com. 2024. Web. 9 June 2024.
APA style:
Numbermatics. (2024). Number 21520420440 - Facts about the integer. Retrieved 9 June 2024, from https://numbermatics.com/n/21520420440/
Chicago style:
Numbermatics. 2024. "Number 21520420440 - Facts about the integer". https://numbermatics.com/n/21520420440/
The information we have on file for 21520420440 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 21520420440, math, Factors of 21520420440, curriculum, school, college, exams, university, Prime factorization of 21520420440, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, five hundred twenty million, four hundred twenty thousand, four hundred forty.