640247472
640,247,472 is an even composite number composed of five prime numbers multiplied together.
What does the number 640247472 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.
640247472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 640247472:
24 × 32 × 17 × 41 × 6379
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 41 × 6379)See below for interesting mathematical facts about the number 640247472 from the Numbermatics database.
Names of 640247472
- Cardinal: 640247472 can be written as Six hundred forty million, two hundred forty-seven thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 6.40247472 × 108
Factors of 640247472
Divisors of 640247472
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 34 36 41 48 51 68 72 82 102 123 136 144 153 164 204 246 272 306 328 369 408 492 612 656 697 738 816 984 1224 1394 1476 1968 2091 2448 2788 2952 4182 5576 5904 6273 6379 8364 11152 12546 12758 16728 19137 25092 25516 33456 38274 50184 51032 57411 76548 100368 102064 108443 114822 153096 216886 229644 261539 306192 325329 433772 459288 523078 650658 784617 867544 918576 975987 1046156 1301316 1569234 1735088 1951974 2092312 2353851 2602632 3138468 3903948 4184624 4446163 4707702 5205264 6276936 7807896 8892326 9415404 12553872 13338489 15615792 17784652 18830808 26676978 35569304 37661616 40015467 53353956 71138608 80030934 106707912 160061868 213415824 320123736 640247472
- Sum of all divisors σ(n): 1943781840
- Sum of proper divisors (its aliquot sum) s(n): 1303534368
- 640247472 is an abundant number, because the sum of its proper divisors (1303534368) is greater than itself. Its abundance is 663286896
Bases of 640247472
- Binary: 1001100010100101100110101100002
- Hexadecimal: 0x262966B0
- Base-36: AL6Q40
Squares and roots of 640247472
- 640247472 squared (6402474722) is 409916825402390784
- 640247472 cubed (6402474723) is 262448211194146082212098048
-
The
square root of 640247472 is 25303.1119034793 -
The
cube root of 640247472 is 861.8849371703
Scales and comparisons
How big is 640247472?- 640,247,472 seconds is equal to 20 years, 18 weeks, 4 days, 6 hours, 31 minutes, 12 seconds.
-
To count from 1 to 640,247,472 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 640247472 cubic inches would be around 71.8 feet tall.
Recreational maths with 640247472
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 640247472 - Facts about the integer". Numbermatics.com. 2024. Web. 23 June 2024.
APA style:
Numbermatics. (2024). Number 640247472 - Facts about the integer. Retrieved 23 June 2024, from https://numbermatics.com/n/640247472/
Chicago style:
Numbermatics. 2024. "Number 640247472 - Facts about the integer". https://numbermatics.com/n/640247472/
The information we have on file for 640247472 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 640247472, math, Factors of 640247472, curriculum, school, college, exams, university, Prime factorization of 640247472, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty million, two hundred forty-seven thousand, four hundred seventy-two.