21385340328
21,385,340,328 is an even composite number composed of seven prime numbers multiplied together.
21385340328 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21385340328:
23 × 3 × 11 × 31 × 43 × 67 × 907
(2 × 2 × 2 × 3 × 11 × 31 × 43 × 67 × 907)See below for interesting mathematical facts about the number 21385340328 from the Numbermatics database.
Names of 21385340328
- Cardinal: 21385340328 can be written as Twenty-one billion, three hundred eighty-five million, three hundred forty thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1385340328 × 1010
Factors of 21385340328
Divisors of 21385340328
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 11 12 22 24 31 33 43 44 62 66 67 86 88 93 124 129 132 134 172 186 201 248 258 264 268 341 344 372 402 473 516 536 682 737 744 804 907 946 1023 1032 1333 1364 1419 1474 1608 1814 1892 2046 2077 2211 2666 2721 2728 2838 2881 2948 3628 3784 3999 4092 4154 4422 5332 5442 5676 5762 5896 6231 7256 7998 8184 8308 8643 8844 9977 10664 10884 11352 11524 12462 14663 15996 16616 17286 17688 19954 21768 22847 23048 24924 28117 29326 29931 31691 31992 34572 39001 39908 43989 45694 49848 56234 58652 59862 60769 63382 68541 69144 78002 79816 84351 87978 89311 91388 95073 112468 117003 117304 119724 121538 126764 137082 156004 168702 175956 178622 182307 182776 190146 224936 234006 239448 243076 253528 267933 274164 309287 312008 337404 351912 357244 364614 380292 429011 468012 486152 535866 548328 618574 668459 674808 714488 729228 760584 858022 927861 936024 982421 1071732 1209031 1237148 1287033 1336918 1458456 1716044 1855722 1883839 1964842 2005377 2143464 2418062 2474296 2574066 2613067 2673836 2947263 3432088 3627093 3711444 3767678 3929684 4010754 4836124 5148132 5226134 5347672 5651517 5894526 7254186 7422888 7535356 7839201 7859368 8021508 9672248 10296264 10452268 11303034 11789052 13299341 14508372 15070712 15678402 16043016 20722229 20904536 22606068 23578104 26598682 28743737 29016744 31356804 39898023 41444458 45212136 53197364 57487474 62166687 62713608 79796046 81005077 82888916 86231211 106394728 114974948 124333374 159592092 162010154 165777832 172462422 229949896 243015231 248666748 319184184 324020308 344924844 486030462 497333496 648040616 689849688 891055847 972060924 1782111694 1944121848 2673167541 3564223388 5346335082 7128446776 10692670164 21385340328
- Sum of all divisors σ(n): 62593597440
- Sum of proper divisors (its aliquot sum) s(n): 41208257112
- 21385340328 is an abundant number, because the sum of its proper divisors (41208257112) is greater than itself. Its abundance is 19822916784
Bases of 21385340328
- Binary: 100111110101010101001100101101010002
- Hexadecimal: 0x4FAAA65A8
- Base-36: 9TOA27C
Squares and roots of 21385340328
- 21385340328 squared (213853403282) is 457332780944383147584
- 21385340328 cubed (213853403283) is 9780217163646306851111690967552
-
The
square root of 21385340328 is 146237.2740719683 -
The
cube root of 21385340328 is 2775.6969957355
Scales and comparisons
How big is 21385340328?- 21,385,340,328 seconds is equal to 679 years, 51 weeks, 2 days, 12 hours, 18 minutes, 48 seconds.
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To count from 1 to 21,385,340,328 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 21385340328 cubic inches would be around 231.3 feet tall.
Recreational maths with 21385340328
- 21385340328 backwards is 82304358312
- The number of decimal digits it has is: 11
- The sum of 21385340328's digits is 39
- More coming soon!
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The information we have on file for 21385340328 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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