21423812928
21,423,812,928 is an even composite number composed of five prime numbers multiplied together.
21423812928 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21423812928:
26 × 3 × 73 × 61 × 5333
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 61 × 5333)See below for interesting mathematical facts about the number 21423812928 from the Numbermatics database.
Names of 21423812928
- Cardinal: 21423812928 can be written as Twenty-one billion, four hundred twenty-three million, eight hundred twelve thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1423812928 × 1010
Factors of 21423812928
Divisors of 21423812928
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 61 64 84 96 98 112 122 147 168 183 192 196 224 244 294 336 343 366 392 427 448 488 588 672 686 732 784 854 976 1029 1176 1281 1344 1372 1464 1568 1708 1952 2058 2352 2562 2744 2928 2989 3136 3416 3904 4116 4704 5124 5333 5488 5856 5978 6832 8232 8967 9408 10248 10666 10976 11712 11956 13664 15999 16464 17934 20496 20923 21332 21952 23912 27328 31998 32928 35868 37331 40992 41846 42664 47824 62769 63996 65856 71736 74662 81984 83692 85328 95648 111993 125538 127992 143472 149324 167384 170656 191296 223986 251076 255984 261317 286944 298648 325313 334768 341312 447972 502152 511968 522634 573888 597296 650626 669536 783951 895944 975939 1004304 1023936 1045268 1194592 1301252 1339072 1567902 1791888 1829219 1951878 2008608 2090536 2277191 2389184 2602504 3135804 3583776 3658438 3903756 4017216 4181072 4554382 5205008 5487657 6271608 6831573 7167552 7316876 7807512 8362144 9108764 10410016 10975314 12543216 13663146 14633752 15615024 15940337 16724288 18217528 20820032 21950628 25086432 27326292 29267504 31230048 31880674 36435056 43901256 47821011 50172864 54652584 58535008 62460096 63761348 72870112 87802512 95642022 109305168 111582359 117070016 127522696 145740224 175605024 191284044 218610336 223164718 255045392 334747077 351210048 382568088 437220672 446329436 510090784 669494154 765136176 892658872 1020181568 1338988308 1530272352 1785317744 2677976616 3060544704 3570635488 5355953232 7141270976 10711906464 21423812928
- Sum of all divisors σ(n): 67199865600
- Sum of proper divisors (its aliquot sum) s(n): 45776052672
- 21423812928 is an abundant number, because the sum of its proper divisors (45776052672) is greater than itself. Its abundance is 24352239744
Bases of 21423812928
- Binary: 100111111001111010101110001010000002
- Hexadecimal: 0x4FCF57140
- Base-36: 9UB6NUO
Squares and roots of 21423812928
- 21423812928 squared (214238129282) is 458979760373939933184
- 21423812928 cubed (214238129283) is 9833096523989556454842835402752
-
The
square root of 21423812928 is 146368.7566661683 -
The
cube root of 21423812928 is 2777.3605076635
Scales and comparisons
How big is 21423812928?- 21,423,812,928 seconds is equal to 681 years, 10 weeks, 6 days, 19 hours, 8 minutes, 48 seconds.
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To count from 1 to 21,423,812,928 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 21423812928 cubic inches would be around 231.4 feet tall.
Recreational maths with 21423812928
- 21423812928 backwards is 82921832412
- 21423812928 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21423812928's digits is 42
- More coming soon!
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The information we have on file for 21423812928 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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