21200489984
21,200,489,984 is an even composite number composed of three prime numbers multiplied together.
21200489984 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 21200489984:
29 × 127 × 5712
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 127 × 571 × 571)See below for interesting mathematical facts about the number 21200489984 from the Numbermatics database.
Names of 21200489984
- Cardinal: 21200489984 can be written as Twenty-one billion, two hundred million, four hundred eighty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1200489984 × 1010
Factors of 21200489984
Divisors of 21200489984
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 4 8 16 32 64 127 128 254 256 508 512 571 1016 1142 2032 2284 4064 4568 8128 9136 16256 18272 32512 36544 65024 72517 73088 145034 146176 290068 292352 326041 580136 652082 1160272 1304164 2320544 2608328 4641088 5216656 9282176 10433312 18564352 20866624 37128704 41407207 41733248 82814414 83466496 165628828 166932992 331257656 662515312 1325030624 2650061248 5300122496 10600244992 21200489984
- Sum of all divisors σ(n): 42768012672
- Sum of proper divisors (its aliquot sum) s(n): 21567522688
- 21200489984 is an abundant number, because the sum of its proper divisors (21567522688) is greater than itself. Its abundance is 367032704
Bases of 21200489984
- Binary: 100111011111010010111001110000000002
- Hexadecimal: 0x4EFA5CE00
- Base-36: 9QM82RK
Squares and roots of 21200489984
- 21200489984 squared (212004899842) is 449460775561684320256
- 21200489984 cubed (212004899843) is 9528788670496360405757176315904
-
The
square root of 21200489984 is 145603.8803878525 -
The
cube root of 21200489984 is 2767.6763295565
Scales and comparisons
How big is 21200489984?- 21,200,489,984 seconds is equal to 674 years, 5 weeks, 5 days, 59 minutes, 44 seconds.
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To count from 1 to 21,200,489,984 would take you about one thousand, three hundred forty-eight 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 21200489984 cubic inches would be around 230.6 feet tall.
Recreational maths with 21200489984
- 21200489984 backwards is 48998400212
- The number of decimal digits it has is: 11
- The sum of 21200489984's digits is 47
- More coming soon!
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