21425165328
21,425,165,328 is an even composite number composed of five prime numbers multiplied together.
What does the number 21425165328 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 180 divisors.
21425165328 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21425165328:
24 × 3 × 72 × 412 × 5419
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 41 × 41 × 5419)See below for interesting mathematical facts about the number 21425165328 from the Numbermatics database.
Names of 21425165328
- Cardinal: 21425165328 can be written as Twenty-one billion, four hundred twenty-five million, one hundred sixty-five thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1425165328 × 1010
Factors of 21425165328
Divisors of 21425165328
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 48 49 56 82 84 98 112 123 147 164 168 196 246 287 294 328 336 392 492 574 588 656 784 861 984 1148 1176 1681 1722 1968 2009 2296 2352 3362 3444 4018 4592 5043 5419 6027 6724 6888 8036 10086 10838 11767 12054 13448 13776 16072 16257 20172 21676 23534 24108 26896 32144 32514 35301 37933 40344 43352 47068 48216 65028 70602 75866 80688 82369 86704 94136 96432 113799 130056 141204 151732 164738 188272 222179 227598 247107 260112 265531 282408 303464 329476 444358 455196 494214 531062 564816 606928 658952 666537 796593 888716 910392 988428 1062124 1317904 1333074 1555253 1593186 1777432 1820784 1976856 2124248 2666148 3110506 3186372 3554864 3953712 4248496 4665759 5332296 6221012 6372744 9109339 9331518 10664592 10886771 12442024 12745488 18218678 18663036 21773542 24884048 27328017 32660313 36437356 37326072 43547084 54656034 63765373 65320626 72874712 74652144 87094168 109312068 127530746 130641252 145749424 174188336 191296119 218624136 255061492 261282504 382592238 437248272 446357611 510122984 522565008 765184476 892715222 1020245968 1339072833 1530368952 1785430444 2678145666 3060737904 3570860888 5356291332 7141721776 10712582664 21425165328
- Sum of all divisors σ(n): 66005648880
- Sum of proper divisors (its aliquot sum) s(n): 44580483552
- 21425165328 is an abundant number, because the sum of its proper divisors (44580483552) is greater than itself. Its abundance is 23155318224
Bases of 21425165328
- Binary: 100111111010000101000010100000100002
- Hexadecimal: 0x4FD0A1410
- Base-36: 9UBZNDC
Squares and roots of 21425165328
- 21425165328 squared (214251653282) is 459037709332133347584
- 21425165328 cubed (214251653283) is 9834958814227365434929289367552
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The
square root of 21425165328 is 146373.3764316449 -
The
cube root of 21425165328 is 2777.4189476701
Scales and comparisons
How big is 21425165328?- 21,425,165,328 seconds is equal to 681 years, 13 weeks, 1 day, 10 hours, 48 minutes, 48 seconds.
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To count from 1 to 21,425,165,328 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 21425165328 cubic inches would be around 231.5 feet tall.
Recreational maths with 21425165328
- 21425165328 backwards is 82356152412
- The number of decimal digits it has is: 11
- The sum of 21425165328's digits is 39
- More coming soon!
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