21388243000
21,388,243,000 is an even composite number composed of six prime numbers multiplied together.
21388243000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21388243000:
23 × 53 × 19 × 43 × 47 × 557
(2 × 2 × 2 × 5 × 5 × 5 × 19 × 43 × 47 × 557)See below for interesting mathematical facts about the number 21388243000 from the Numbermatics database.
Names of 21388243000
- Cardinal: 21388243000 can be written as Twenty-one billion, three hundred eighty-eight million, two hundred forty-three thousand.
Scientific notation
- Scientific notation: 2.1388243 × 1010
Factors of 21388243000
Divisors of 21388243000
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 19 20 25 38 40 43 47 50 76 86 94 95 100 125 152 172 188 190 200 215 235 250 344 376 380 430 470 475 500 557 760 817 860 893 940 950 1000 1075 1114 1175 1634 1720 1786 1880 1900 2021 2150 2228 2350 2375 2785 3268 3572 3800 4042 4085 4300 4456 4465 4700 4750 5375 5570 5875 6536 7144 8084 8170 8600 8930 9400 9500 10105 10583 10750 11140 11750 13925 16168 16340 17860 19000 20210 20425 21166 21500 22280 22325 23500 23951 26179 27850 32680 35720 38399 40420 40850 42332 43000 44650 47000 47902 50525 52358 52915 55700 69625 76798 80840 81700 84664 89300 95804 101050 102125 104716 105830 111400 111625 119755 130895 139250 153596 163400 178600 191608 191995 202100 204250 209432 211660 223250 239510 252625 261790 264575 278500 307192 383990 404200 408500 423320 446500 455069 479020 497401 505250 523580 529150 557000 598775 654475 767980 817000 893000 910138 958040 959975 994802 1010500 1047160 1058300 1125697 1197550 1308950 1322875 1535960 1820276 1919950 1989604 2021000 2116600 2251394 2275345 2395100 2487005 2617900 2645750 2993875 3272375 3640552 3839900 3979208 4502788 4550690 4790200 4799875 4974010 5235800 5291500 5628485 5987750 6544750 7679800 9005576 9101380 9599750 9948020 10583000 11256970 11376725 11975500 12435025 13089500 18202760 19199500 19896040 21388243 22513940 22753450 23951000 24870050 26179000 28142425 38399000 42776486 45027880 45506900 49740100 56284850 56883625 62175125 85552972 91013800 99480200 106941215 112569700 113767250 124350250 140712125 171105944 213882430 225139400 227534500 248700500 281424250 427764860 455069000 497401000 534706075 562848500 855529720 1069412150 1125697000 2138824300 2673530375 4277648600 5347060750 10694121500 21388243000
- Sum of all divisors σ(n): 55153612800
- Sum of proper divisors (its aliquot sum) s(n): 33765369800
- 21388243000 is an abundant number, because the sum of its proper divisors (33765369800) is greater than itself. Its abundance is 12377126800
Bases of 21388243000
- Binary: 100111110101101011010110000001110002
- Hexadecimal: 0x4FAD6B038
- Base-36: 9TQ09X4
Squares and roots of 21388243000
- 21388243000 squared (213882430002) is 457456938627049000000
- 21388243000 cubed (213882430003) is 9784200165391410384907000000000
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The
square root of 21388243000 is 146247.1982637617 -
The
cube root of 21388243000 is 2775.8225735583
Scales and comparisons
How big is 21388243000?- 21,388,243,000 seconds is equal to 680 years, 4 weeks, 1 day, 2 hours, 36 minutes, 40 seconds.
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To count from 1 to 21,388,243,000 would take you about one thousand, three hundred sixty 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 21388243000 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388243000
- 21388243000 backwards is 00034288312
- The number of decimal digits it has is: 11
- The sum of 21388243000's digits is 31
- More coming soon!
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The information we have on file for 21388243000 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!
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