642401220
642,401,220 is an even composite number composed of six prime numbers multiplied together.
642401220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 642401220:
22 × 3 × 5 × 31 × 137 × 2521
(2 × 2 × 3 × 5 × 31 × 137 × 2521)See below for interesting mathematical facts about the number 642401220 from the Numbermatics database.
Names of 642401220
- Cardinal: 642401220 can be written as Six hundred forty-two million, four hundred one thousand, two hundred twenty.
Scientific notation
- Scientific notation: 6.4240122 × 108
Factors of 642401220
Divisors of 642401220
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 137 155 186 274 310 372 411 465 548 620 685 822 930 1370 1644 1860 2055 2521 2740 4110 4247 5042 7563 8220 8494 10084 12605 12741 15126 16988 21235 25210 25482 30252 37815 42470 50420 50964 63705 75630 78151 84940 127410 151260 156302 234453 254820 312604 345377 390755 468906 690754 781510 937812 1036131 1172265 1381508 1563020 1726885 2072262 2344530 3453770 4144524 4689060 5180655 6907540 10361310 10706687 20722620 21413374 32120061 42826748 53533435 64240122 107066870 128480244 160600305 214133740 321200610 642401220
- Sum of all divisors σ(n): 1871041536
- Sum of proper divisors (its aliquot sum) s(n): 1228640316
- 642401220 is an abundant number, because the sum of its proper divisors (1228640316) is greater than itself. Its abundance is 586239096
Bases of 642401220
- Binary: 1001100100101001000011110001002
- Hexadecimal: 0x264A43C4
- Base-36: AMGVYC
Squares and roots of 642401220
- 642401220 squared (6424012202) is 412679327457488400
- 642401220 cubed (6424012203) is 265105703427470046295848000
-
The
square root of 642401220 is 25345.6351271773 -
The
cube root of 642401220 is 862.8502958547
Scales and comparisons
How big is 642401220?- 642,401,220 seconds is equal to 20 years, 22 weeks, 1 day, 4 hours, 47 minutes.
-
To count from 1 to 642,401,220 would take you about thirty 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 642401220 cubic inches would be around 71.9 feet tall.
Recreational maths with 642401220
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 642401220 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
APA style:
Numbermatics. (2024). Number 642401220 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/642401220/
Chicago style:
Numbermatics. 2024. "Number 642401220 - Facts about the integer". https://numbermatics.com/n/642401220/
The information we have on file for 642401220 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 642401220, math, Factors of 642401220, curriculum, school, college, exams, university, Prime factorization of 642401220, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty-two million, four hundred one thousand, two hundred twenty.