20728816421000
20,728,816,421,000 is an even composite number composed of four prime numbers multiplied together.
20728816421000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20728816421000:
23 × 53 × 229 × 4493
(2 × 2 × 2 × 5 × 5 × 5 × 229 × 449 × 449 × 449)See below for interesting mathematical facts about the number 20728816421000 from the Numbermatics database.
Names of 20728816421000
- Cardinal: 20728816421000 can be written as Twenty trillion, seven hundred twenty-eight billion, eight hundred sixteen million, four hundred twenty-one thousand.
Scientific notation
- Scientific notation: 2.0728816421 × 1013
Factors of 20728816421000
Divisors of 20728816421000
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 20 25 40 50 100 125 200 229 250 449 458 500 898 916 1000 1145 1796 1832 2245 2290 3592 4490 4580 5725 8980 9160 11225 11450 17960 22450 22900 28625 44900 45800 56125 57250 89800 102821 112250 114500 201601 205642 224500 229000 403202 411284 449000 514105 806404 822568 1008005 1028210 1612808 2016010 2056420 2570525 4032020 4112840 5040025 5141050 8064040 10080050 10282100 12852625 20160100 20564200 25200125 25705250 40320200 46166629 50400250 51410500 90518849 92333258 100800500 102821000 181037698 184666516 201601000 230833145 362075396 369333032 452594245 461666290 724150792 905188490 923332580 1154165725 1810376980 1846665160 2262971225 2308331450 3620753960 4525942450 4616662900 5770828625 9051884900 9233325800 11314856125 11541657250 18103769800 20728816421 22629712250 23083314500 41457632842 45259424500 46166629000 82915265684 90518849000 103644082105 165830531368 207288164210 414576328420 518220410525 829152656840 1036440821050 2072881642100 2591102052625 4145763284200 5182204105250 10364408210500 20728816421000
- Sum of all divisors σ(n): 48825988380000
- Sum of proper divisors (its aliquot sum) s(n): 28097171959000
- 20728816421000 is an abundant number, because the sum of its proper divisors (28097171959000) is greater than itself. Its abundance is 7368355538000
Bases of 20728816421000
- Binary: 1001011011010010011011011110101001000100010002
- Hexadecimal: 0x12DA4DBD4888
- Base-36: 7CIOQ3EYW
Squares and roots of 20728816421000
- 20728816421000 squared (207288164210002) is 429683830215519249241000000
- 20728816421000 cubed (207288164210003) is 8906837235609631382708432586461000000000
-
The
square root of 20728816421000 is 4552890.9959497163 -
The
cube root of 20728816421000 is 27469.9689451385
Scales and comparisons
How big is 20728816421000?- 20,728,816,421,000 seconds is equal to 659,112 years, 12 weeks, 4 days, 17 hours, 23 minutes, 20 seconds.
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To count from 1 to 20,728,816,421,000 would take you about one million, six hundred forty-seven thousand, seven hundred eighty 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 20728816421000 cubic inches would be around 2289.2 feet tall.
Recreational maths with 20728816421000
- 20728816421000 backwards is 00012461882702
- The number of decimal digits it has is: 14
- The sum of 20728816421000's digits is 41
- More coming soon!
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