21438386640
21,438,386,640 is an even composite number composed of five prime numbers multiplied together.
21438386640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21438386640:
24 × 34 × 5 × 11 × 673
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 11 × 67 × 67 × 67)See below for interesting mathematical facts about the number 21438386640 from the Numbermatics database.
Names of 21438386640
- Cardinal: 21438386640 can be written as Twenty-one billion, four hundred thirty-eight million, three hundred eighty-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.143838664 × 1010
Factors of 21438386640
Divisors of 21438386640
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 67 72 80 81 88 90 99 108 110 120 132 134 135 144 162 165 176 180 198 201 216 220 240 264 268 270 297 324 330 335 360 396 402 405 432 440 495 528 536 540 594 603 648 660 670 720 737 792 804 810 880 891 990 1005 1072 1080 1188 1206 1296 1320 1340 1474 1485 1584 1608 1620 1782 1809 1980 2010 2160 2211 2376 2412 2640 2680 2948 2970 3015 3216 3240 3564 3618 3685 3960 4020 4422 4455 4489 4752 4824 5360 5427 5896 5940 6030 6480 6633 7128 7236 7370 7920 8040 8844 8910 8978 9045 9648 10854 11055 11792 11880 12060 13266 13467 14256 14472 14740 16080 17688 17820 17956 18090 19899 21708 22110 22445 23760 24120 26532 26934 27135 28944 29480 33165 35376 35640 35912 36180 39798 40401 43416 44220 44890 48240 49379 53064 53868 54270 58960 59697 66330 67335 71280 71824 72360 79596 80802 86832 88440 89780 98758 99495 106128 107736 108540 119394 121203 132660 134670 144720 148137 159192 161604 176880 179560 197516 198990 202005 215472 217080 238788 242406 246895 265320 269340 296274 298485 300763 318384 323208 359120 363609 395032 397980 404010 434160 444411 477576 484812 493790 530640 538680 592548 596970 601526 606015 646416 727218 740685 790064 795960 808020 888822 902289 955152 969624 987580 1077360 1185096 1193940 1203052 1212030 1333233 1454436 1481370 1503815 1591920 1616040 1777644 1804578 1818045 1939248 1975160 2222055 2370192 2387880 2406104 2424060 2666466 2706867 2908872 2962740 3007630 3232080 3308393 3555288 3609156 3636090 3950320 3999699 4444110 4511445 4775760 4812208 4848120 5332932 5413734 5817744 5925480 6015260 6616786 6666165 7110576 7218312 7272180 7999398 8120601 8888220 9022890 9696240 9925179 10665864 10827468 11850960 12030520 13233572 13332330 13534335 14436624 14544360 15998796 16241202 16541965 17776440 18045780 19850358 19998495 21331728 21654936 24061040 24361803 26467144 26664660 27068670 29088720 29775537 31997592 32482404 33083930 35552880 36091560 39700716 39996990 40603005 43309872 48723606 49625895 52934288 53329320 54137340 59551074 63995184 64964808 66167860 72183120 79401432 79993980 81206010 89326611 97447212 99251790 106658640 108274680 119102148 121809015 129929616 132335720 148877685 158802864 159987960 162412020 178653222 194894424 198503580 216549360 238204296 243618030 264671440 267979833 297755370 319975920 324824040 357306444 389788848 397007160 446633055 476408592 487236060 535959666 595510740 649648080 714612888 794014320 893266110 974472120 1071919332 1191021480 1339899165 1429225776 1786532220 1948944240 2143838664 2382042960 2679798330 3573064440 4287677328 5359596660 7146128880 10719193320 21438386640
- Sum of all divisors σ(n): 82458383040
- Sum of proper divisors (its aliquot sum) s(n): 61019996400
- 21438386640 is an abundant number, because the sum of its proper divisors (61019996400) is greater than itself. Its abundance is 39581609760
Bases of 21438386640
- Binary: 100111111011101001111010001110100002
- Hexadecimal: 0x4FDD3D1D0
- Base-36: 9UJV100
Squares and roots of 21438386640
- 21438386640 squared (214383866402) is 459604421726130489600
- 21438386640 cubed (214383866403) is 9853177294418401627137298944000
-
The
square root of 21438386640 is 146418.5324335687 -
The
cube root of 21438386640 is 2777.9901384645
Scales and comparisons
How big is 21438386640?- 21,438,386,640 seconds is equal to 681 years, 35 weeks, 11 hours, 24 minutes.
-
To count from 1 to 21,438,386,640 would take you about one thousand, three hundred sixty-three 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 21438386640 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438386640
- 21438386640 backwards is 04668383412
- 21438386640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21438386640'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 21438386640 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.
APA style:
Numbermatics. (2024). Number 21438386640 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/21438386640/
Chicago style:
Numbermatics. 2024. "Number 21438386640 - Facts about the integer". https://numbermatics.com/n/21438386640/
The information we have on file for 21438386640 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 21438386640, math, Factors of 21438386640, curriculum, school, college, exams, university, Prime factorization of 21438386640, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred thirty-eight million, three hundred eighty-six thousand, six hundred forty.