21372742728
21,372,742,728 is an even composite number composed of five prime numbers multiplied together.
21372742728 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 21372742728:
23 × 33 × 41 × 397 × 6079
(2 × 2 × 2 × 3 × 3 × 3 × 41 × 397 × 6079)See below for interesting mathematical facts about the number 21372742728 from the Numbermatics database.
Names of 21372742728
- Cardinal: 21372742728 can be written as Twenty-one billion, three hundred seventy-two million, seven hundred forty-two thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1372742728 × 1010
Factors of 21372742728
Divisors of 21372742728
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 36 41 54 72 82 108 123 164 216 246 328 369 397 492 738 794 984 1107 1191 1476 1588 2214 2382 2952 3176 3573 4428 4764 6079 7146 8856 9528 10719 12158 14292 16277 18237 21438 24316 28584 32554 36474 42876 48632 48831 54711 65108 72948 85752 97662 109422 130216 145896 146493 164133 195324 218844 249239 292986 328266 390648 437688 439479 498478 585972 656532 747717 878958 996956 1171944 1313064 1495434 1757916 1993912 2243151 2413363 2990868 3515832 4486302 4826726 5981736 6729453 7240089 8972604 9653452 13458906 14480178 17945208 19306904 21720267 26917812 28960356 43440534 53835624 57920712 65160801 86881068 98947883 130321602 173762136 197895766 260643204 296843649 395791532 521286408 593687298 791583064 890530947 1187374596 1781061894 2374749192 2671592841 3562123788 5343185682 7124247576 10686371364 21372742728
- Sum of all divisors σ(n): 60979968000
- Sum of proper divisors (its aliquot sum) s(n): 39607225272
- 21372742728 is an abundant number, because the sum of its proper divisors (39607225272) is greater than itself. Its abundance is 18234482544
Bases of 21372742728
- Binary: 100111110011110101000101100010010002
- Hexadecimal: 0x4F9EA2C48
- Base-36: 9TGS1U0
Squares and roots of 21372742728
- 21372742728 squared (213727427282) is 456794131717276881984
- 21372742728 cubed (213727427283) is 9762943456853503631386050212352
-
The
square root of 21372742728 is 146194.1952609611 -
The
cube root of 21372742728 is 2775.1518561165
Scales and comparisons
How big is 21372742728?- 21,372,742,728 seconds is equal to 679 years, 30 weeks, 3 days, 16 hours, 58 minutes, 48 seconds.
-
To count from 1 to 21,372,742,728 would take you about one thousand, three hundred fifty-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 21372742728 cubic inches would be around 231.3 feet tall.
Recreational maths with 21372742728
- 21372742728 backwards is 82724727312
- The number of decimal digits it has is: 11
- The sum of 21372742728'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 21372742728 - Facts about the integer". Numbermatics.com. 2024. Web. 15 June 2024.
APA style:
Numbermatics. (2024). Number 21372742728 - Facts about the integer. Retrieved 15 June 2024, from https://numbermatics.com/n/21372742728/
Chicago style:
Numbermatics. 2024. "Number 21372742728 - Facts about the integer". https://numbermatics.com/n/21372742728/
The information we have on file for 21372742728 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 21372742728, math, Factors of 21372742728, curriculum, school, college, exams, university, Prime factorization of 21372742728, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred seventy-two million, seven hundred forty-two thousand, seven hundred twenty-eight.