21427729128
21,427,729,128 is an even composite number composed of seven prime numbers multiplied together.
21427729128 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21427729128:
23 × 32 × 13 × 53 × 61 × 73 × 97
(2 × 2 × 2 × 3 × 3 × 13 × 53 × 61 × 73 × 97)See below for interesting mathematical facts about the number 21427729128 from the Numbermatics database.
Names of 21427729128
- Cardinal: 21427729128 can be written as Twenty-one billion, four hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1427729128 × 1010
Factors of 21427729128
Divisors of 21427729128
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 53 61 72 73 78 97 104 106 117 122 146 156 159 183 194 212 219 234 244 291 292 312 318 366 388 424 438 468 477 488 549 582 584 636 657 689 732 776 793 873 876 936 949 954 1098 1164 1261 1272 1314 1378 1464 1586 1746 1752 1898 1908 2067 2196 2328 2379 2522 2628 2756 2847 3172 3233 3492 3783 3796 3816 3869 4134 4392 4453 4758 5044 5141 5256 5512 5694 5917 6201 6344 6466 6984 7081 7137 7566 7592 7738 8268 8541 8906 9516 9699 10088 10282 11349 11388 11607 11834 12402 12932 13359 14162 14274 15132 15423 15476 16536 17082 17751 17812 19032 19398 20564 21243 22698 22776 23214 23668 24804 25864 26718 28324 28548 29097 30264 30846 30952 34164 34821 35502 35624 38796 40077 41128 42029 42486 45396 46269 46428 47336 49608 50297 53253 53436 56648 57096 57889 58194 61692 63729 66833 68328 69642 71004 76921 77592 80154 84058 84972 90792 92053 92538 92856 100594 106506 106872 115778 116388 123384 126087 127458 133666 139284 142008 150891 153842 160308 168116 169944 173667 184106 185076 200499 201188 213012 230763 231556 232776 236009 252174 254916 267332 276159 278568 301782 307684 313601 320616 336232 347334 368212 370152 375293 378261 400998 402376 426024 431941 452673 461526 463112 472018 504348 509832 521001 534664 552318 601497 603564 615368 627202 692289 694668 708027 736424 750586 756522 801996 828477 863882 905346 923052 940803 944036 1008696 1042002 1104636 1125879 1202994 1207128 1254404 1295823 1384578 1389336 1416054 1501172 1513044 1603992 1656954 1727764 1810692 1846104 1881606 1888072 2084004 2124081 2209272 2251758 2405988 2508808 2591646 2769156 2822409 2832108 3002344 3026088 3068117 3313908 3377637 3455528 3621384 3763212 3887469 4076813 4168008 4248162 4503516 4811976 4878809 5183292 5538312 5615233 5644818 5664216 6136234 6627816 6755274 7526424 7774938 8153626 8496324 9007032 9204351 9757618 10366584 11230466 11289636 12230439 12272468 13510548 14636427 15549876 16307252 16845699 16992648 18408702 19515236 22460932 22579272 22892873 24460878 24544936 27021096 27613053 29272854 31099752 32614504 33691398 36691317 36817404 39030472 43909281 44921864 45785746 48921756 50537097 55226106 58545708 67382796 68678619 73382634 73634808 87818562 91571492 97843512 101074194 110452212 117091416 134765592 137357238 146765268 175637124 183142984 202148388 206035857 220904424 274714476 293530536 297607349 351274248 404296776 412071714 549428952 595214698 824143428 892822047 1190429396 1648286856 1785644094 2380858792 2678466141 3571288188 5356932282 7142576376 10713864564 21427729128
- Sum of all divisors σ(n): 66283570080
- Sum of proper divisors (its aliquot sum) s(n): 44855840952
- 21427729128 is an abundant number, because the sum of its proper divisors (44855840952) is greater than itself. Its abundance is 23428111824
Bases of 21427729128
- Binary: 100111111010011000100110010111010002
- Hexadecimal: 0x4FD3132E8
- Base-36: 9UDILM0
Squares and roots of 21427729128
- 21427729128 squared (214277291282) is 459147575582939640384
- 21427729128 cubed (214277291283) is 9838489879369137312122081905152
-
The
square root of 21427729128 is 146382.1339098457 -
The
cube root of 21427729128 is 2777.5297280317
Scales and comparisons
How big is 21427729128?- 21,427,729,128 seconds is equal to 681 years, 17 weeks, 3 days, 2 hours, 58 minutes, 48 seconds.
-
To count from 1 to 21,427,729,128 would take you about one thousand, three hundred sixty-two 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 21427729128 cubic inches would be around 231.5 feet tall.
Recreational maths with 21427729128
- 21427729128 backwards is 82192772412
- The number of decimal digits it has is: 11
- The sum of 21427729128'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 21427729128 - Facts about the integer". Numbermatics.com. 2024. Web. 25 September 2024.
APA style:
Numbermatics. (2024). Number 21427729128 - Facts about the integer. Retrieved 25 September 2024, from https://numbermatics.com/n/21427729128/
Chicago style:
Numbermatics. 2024. "Number 21427729128 - Facts about the integer". https://numbermatics.com/n/21427729128/
The information we have on file for 21427729128 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 21427729128, math, Factors of 21427729128, curriculum, school, college, exams, university, Prime factorization of 21427729128, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred twenty-eight.