21308429824
21,308,429,824 is an even composite number composed of four prime numbers multiplied together.
21308429824 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21308429824:
29 × 11 × 313 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 31 × 31 × 31 × 127)See below for interesting mathematical facts about the number 21308429824 from the Numbermatics database.
Names of 21308429824
- Cardinal: 21308429824 can be written as Twenty-one billion, three hundred eight million, four hundred twenty-nine thousand, eight hundred twenty-four.
Scientific notation
- Scientific notation: 2.1308429824 × 1010
Factors of 21308429824
Divisors of 21308429824
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 8 11 16 22 31 32 44 62 64 88 124 127 128 176 248 254 256 341 352 496 508 512 682 704 961 992 1016 1364 1397 1408 1922 1984 2032 2728 2794 2816 3844 3937 3968 4064 5456 5588 5632 7688 7874 7936 8128 10571 10912 11176 15376 15748 15872 16256 21142 21824 22352 29791 30752 31496 32512 42284 43307 43648 44704 59582 61504 62992 65024 84568 86614 87296 89408 119164 122047 123008 125984 169136 173228 174592 178816 238328 244094 246016 251968 327701 338272 346456 357632 476656 488188 492032 503936 655402 676544 692912 715264 953312 976376 1007872 1310804 1342517 1353088 1385824 1906624 1952752 2015744 2621608 2685034 2706176 2771648 3783457 3813248 3905504 5243216 5370068 5412352 5543296 7566914 7626496 7811008 10486432 10740136 11086592 15133828 15252992 15622016 20972864 21480272 22173184 30267656 31244032 41618027 41945728 42960544 60535312 62488064 83236054 83891456 85921088 121070624 166472108 167782912 171842176 242141248 332944216 343684352 484282496 665888432 687368704 968564992 1331776864 1937129984 2663553728 5327107456 10654214912 21308429824
- Sum of all divisors σ(n): 48371761152
- Sum of proper divisors (its aliquot sum) s(n): 27063331328
- 21308429824 is an abundant number, because the sum of its proper divisors (27063331328) is greater than itself. Its abundance is 5754901504
Bases of 21308429824
- Binary: 100111101100001010011010110000000002
- Hexadecimal: 0x4F614D600
- Base-36: 9SEHLOG
Squares and roots of 21308429824
- 21308429824 squared (213084298242) is 454049181564332670976
- 21308429824 cubed (213084298243) is 9675075122008217260882577588224
-
The
square root of 21308429824 is 145974.0724375395 -
The
cube root of 21308429824 is 2772.3654816357
Scales and comparisons
How big is 21308429824?- 21,308,429,824 seconds is equal to 677 years, 28 weeks, 1 day, 8 hours, 17 minutes, 4 seconds.
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To count from 1 to 21,308,429,824 would take you about one thousand, three hundred fifty-five 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 21308429824 cubic inches would be around 231 feet tall.
Recreational maths with 21308429824
- 21308429824 backwards is 42892480312
- The number of decimal digits it has is: 11
- The sum of 21308429824's digits is 43
- More coming soon!
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