21429864960
21,429,864,960 is an even composite number composed of five prime numbers multiplied together.
21429864960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21429864960:
29 × 3 × 5 × 7 × 398621
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 398621)See below for interesting mathematical facts about the number 21429864960 from the Numbermatics database.
Names of 21429864960
- Cardinal: 21429864960 can be written as Twenty-one billion, four hundred twenty-nine million, eight hundred sixty-four thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.142986496 × 1010
Factors of 21429864960
Divisors of 21429864960
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1120 1280 1344 1536 1680 1792 1920 2240 2560 2688 3360 3584 3840 4480 5376 6720 7680 8960 10752 13440 17920 26880 53760 398621 797242 1195863 1594484 1993105 2391726 2790347 3188968 3986210 4783452 5580694 5979315 6377936 7972420 8371041 9566904 11161388 11958630 12755872 13951735 15944840 16742082 19133808 22322776 23917260 25511744 27903470 31889680 33484164 38267616 41855205 44645552 47834520 51023488 55806940 63779360 66968328 76535232 83710410 89291104 95669040 102046976 111613880 127558720 133936656 153070464 167420820 178582208 191338080 204093952 223227760 255117440 267873312 306140928 334841640 357164416 382676160 446455520 510234880 535746624 612281856 669683280 714328832 765352320 892911040 1020469760 1071493248 1339366560 1428657664 1530704640 1785822080 2142986496 2678733120 3061409280 3571644160 4285972992 5357466240 7143288320 10714932480 21429864960
- Sum of all divisors σ(n): 78295738752
- Sum of proper divisors (its aliquot sum) s(n): 56865873792
- 21429864960 is an abundant number, because the sum of its proper divisors (56865873792) is greater than itself. Its abundance is 35436008832
Bases of 21429864960
- Binary: 100111111010101000111001010000000002
- Hexadecimal: 0x4FD51CA00
- Base-36: 9UESDMO
Squares and roots of 21429864960
- 21429864960 squared (214298649602) is 459239112203835801600
- 21429864960 cubed (214298649603) is 9841432158878489222301351936000
-
The
square root of 21429864960 is 146389.4291265595 -
The
cube root of 21429864960 is 2777.6220093891
Scales and comparisons
How big is 21429864960?- 21,429,864,960 seconds is equal to 681 years, 20 weeks, 6 days, 20 hours, 16 minutes.
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To count from 1 to 21,429,864,960 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 21429864960 cubic inches would be around 231.5 feet tall.
Recreational maths with 21429864960
- 21429864960 backwards is 06946892412
- The number of decimal digits it has is: 11
- The sum of 21429864960's digits is 51
- More coming soon!
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