21315321216
21,315,321,216 is an even composite number composed of five prime numbers multiplied together.
21315321216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21315321216:
27 × 32 × 7 × 532 × 941
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 53 × 53 × 941)See below for interesting mathematical facts about the number 21315321216 from the Numbermatics database.
Names of 21315321216
- Cardinal: 21315321216 can be written as Twenty-one billion, three hundred fifteen million, three hundred twenty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1315321216 × 1010
Factors of 21315321216
Divisors of 21315321216
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 53 56 63 64 72 84 96 106 112 126 128 144 159 168 192 212 224 252 288 318 336 371 384 424 448 477 504 576 636 672 742 848 896 941 954 1008 1113 1152 1272 1344 1484 1696 1882 1908 2016 2226 2544 2688 2809 2823 2968 3339 3392 3764 3816 4032 4452 5088 5618 5646 5936 6587 6678 6784 7528 7632 8064 8427 8469 8904 10176 11236 11292 11872 13174 13356 15056 15264 16854 16938 17808 19663 19761 20352 22472 22584 23744 25281 26348 26712 30112 30528 33708 33876 35616 39326 39522 44944 45168 47488 49873 50562 52696 53424 58989 59283 60224 61056 67416 67752 71232 78652 79044 89888 90336 99746 101124 105392 106848 117978 118566 120448 134832 135504 142464 149619 157304 158088 176967 179776 180672 199492 202248 210784 213696 235956 237132 269664 271008 299238 314608 316176 349111 353934 359552 361344 398984 404496 421568 427392 448857 471912 474264 539328 542016 598476 629216 632352 698222 707868 797968 808992 843136 897714 943824 948528 1047333 1078656 1084032 1196952 1258432 1264704 1396444 1415736 1595936 1617984 1795428 1887648 1897056 2094666 2393904 2516864 2529408 2643269 2792888 2831472 3141999 3191872 3235968 3590856 3775296 3794112 4189332 4787808 5286538 5585776 5662944 6283998 6383744 7181712 7550592 7588224 7929807 8378664 9575616 10573076 11171552 11325888 12567996 14363424 15859614 16757328 18502883 19151232 21146152 22343104 22651776 23789421 25135992 28726848 31719228 33514656 37005766 42292304 44686208 47578842 50271984 55508649 57453696 63438456 67029312 74011532 84584608 95157684 100543968 111017298 126876912 134058624 148023064 166525947 169169216 190315368 201087936 222034596 253753824 296046128 333051894 338338432 380630736 402175872 444069192 507507648 592092256 666103788 761261472 888138384 1015015296 1184184512 1332207576 1522522944 1776276768 2368369024 2664415152 3045045888 3552553536 5328830304 7105107072 10657660608 21315321216
- Sum of all divisors σ(n): 71523007920
- Sum of proper divisors (its aliquot sum) s(n): 50207686704
- 21315321216 is an abundant number, because the sum of its proper divisors (50207686704) is greater than itself. Its abundance is 28892365488
Bases of 21315321216
- Binary: 100111101100111110111111101100000002
- Hexadecimal: 0x4F67DFD80
- Base-36: 9SILB40
Squares and roots of 21315321216
- 21315321216 squared (213153212162) is 454342918541259718656
- 21315321216 cubed (213153212163) is 9684465250921873052434427805696
-
The
square root of 21315321216 is 145997.6753787539 -
The
cube root of 21315321216 is 2772.6643210809
Scales and comparisons
How big is 21315321216?- 21,315,321,216 seconds is equal to 677 years, 39 weeks, 4 days, 2 hours, 33 minutes, 36 seconds.
-
To count from 1 to 21,315,321,216 would take you about one thousand, three hundred fifty-five 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 21315321216 cubic inches would be around 231.1 feet tall.
Recreational maths with 21315321216
- 21315321216 backwards is 61212351312
- The number of decimal digits it has is: 11
- The sum of 21315321216's digits is 27
- 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 21315321216 - Facts about the integer". Numbermatics.com. 2024. Web. 4 June 2024.
APA style:
Numbermatics. (2024). Number 21315321216 - Facts about the integer. Retrieved 4 June 2024, from https://numbermatics.com/n/21315321216/
Chicago style:
Numbermatics. 2024. "Number 21315321216 - Facts about the integer". https://numbermatics.com/n/21315321216/
The information we have on file for 21315321216 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 21315321216, math, Factors of 21315321216, curriculum, school, college, exams, university, Prime factorization of 21315321216, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred fifteen million, three hundred twenty-one thousand, two hundred sixteen.