12721387680
12,721,387,680 is an even composite number composed of five prime numbers multiplied together.
12721387680 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 12721387680:
25 × 32 × 5 × 19 × 464963
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 464963)See below for interesting mathematical facts about the number 12721387680 from the Numbermatics database.
Names of 12721387680
- Cardinal: 12721387680 can be written as Twelve billion, seven hundred twenty-one million, three hundred eighty-seven thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.272138768 × 1010
Factors of 12721387680
Divisors of 12721387680
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 90 95 96 114 120 144 152 160 171 180 190 228 240 285 288 304 342 360 380 456 480 570 608 684 720 760 855 912 1140 1368 1440 1520 1710 1824 2280 2736 3040 3420 4560 5472 6840 9120 13680 27360 464963 929926 1394889 1859852 2324815 2789778 3719704 4184667 4649630 5579556 6974445 7439408 8369334 8834297 9299260 11159112 13948890 14878816 16738668 17668594 18598520 20923335 22318224 26502891 27897780 33477336 35337188 37197040 41846670 44171485 44636448 53005782 55795560 66954672 70674376 74394080 79508673 83693340 88342970 106011564 111591120 132514455 133909344 141348752 159017346 167386680 176685940 212023128 223182240 265028910 282697504 318034692 334773360 353371880 397543365 424046256 530057820 636069384 669546720 706743760 795086730 848092512 1060115640 1272138768 1413487520 1590173460 2120231280 2544277536 3180346920 4240462560 6360693840 12721387680
- Sum of all divisors σ(n): 45696661920
- Sum of proper divisors (its aliquot sum) s(n): 32975274240
- 12721387680 is an abundant number, because the sum of its proper divisors (32975274240) is greater than itself. Its abundance is 20253886560
Bases of 12721387680
- Binary: 10111101100100000011111000101000002
- Hexadecimal: 0x2F640F8A0
- Base-36: 5UDZHK0
Squares and roots of 12721387680
- 12721387680 squared (127213876802) is 161833704504855782400
- 12721387680 cubed (127213876803) is 2058749294696832850400120832000
-
The
square root of 12721387680 is 112789.1292634179 -
The
cube root of 12721387680 is 2334.4155237665
Scales and comparisons
How big is 12721387680?- 12,721,387,680 seconds is equal to 404 years, 26 weeks, 6 hours, 48 minutes.
-
To count from 1 to 12,721,387,680 would take you about eight hundred 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 12721387680 cubic inches would be around 194.5 feet tall.
Recreational maths with 12721387680
- 12721387680 backwards is 08678312721
- 12721387680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12721387680'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 12721387680 - Facts about the integer". Numbermatics.com. 2024. Web. 13 June 2024.
APA style:
Numbermatics. (2024). Number 12721387680 - Facts about the integer. Retrieved 13 June 2024, from https://numbermatics.com/n/12721387680/
Chicago style:
Numbermatics. 2024. "Number 12721387680 - Facts about the integer". https://numbermatics.com/n/12721387680/
The information we have on file for 12721387680 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 12721387680, math, Factors of 12721387680, curriculum, school, college, exams, university, Prime factorization of 12721387680, STEM, science, technology, engineering, physics, economics, calculator, twelve billion, seven hundred twenty-one million, three hundred eighty-seven thousand, six hundred eighty.