21344428072
21,344,428,072 is an even composite number composed of five prime numbers multiplied together.
21344428072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21344428072:
23 × 112 × 83 × 113 × 2351
(2 × 2 × 2 × 11 × 11 × 83 × 113 × 2351)See below for interesting mathematical facts about the number 21344428072 from the Numbermatics database.
Names of 21344428072
- Cardinal: 21344428072 can be written as Twenty-one billion, three hundred forty-four million, four hundred twenty-eight thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1344428072 × 1010
Factors of 21344428072
Divisors of 21344428072
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 8 11 22 44 83 88 113 121 166 226 242 332 452 484 664 904 913 968 1243 1826 2351 2486 3652 4702 4972 7304 9379 9404 9944 10043 13673 18758 18808 20086 25861 27346 37516 40172 51722 54692 75032 80344 103169 103444 109384 195133 206338 206888 265663 284471 390266 412676 531326 568942 780532 825352 1062652 1134859 1137884 1561064 2125304 2146463 2269718 2275768 2922293 4292926 4539436 5844586 8585852 9078872 11689172 17171704 22050029 23378344 23611093 32145223 44100058 47222186 64290446 88200116 94444372 128580892 176400232 188888744 242550319 257161784 485100638 970201276 1940402552 2668053509 5336107018 10672214036 21344428072
- Sum of all divisors σ(n): 44932890240
- Sum of proper divisors (its aliquot sum) s(n): 23588462168
- 21344428072 is an abundant number, because the sum of its proper divisors (23588462168) is greater than itself. Its abundance is 2244034096
Bases of 21344428072
- Binary: 100111110000011101000100000001010002
- Hexadecimal: 0x4F83A2028
- Base-36: 9SZX63S
Squares and roots of 21344428072
- 21344428072 squared (213444280722) is 455584609720781637184
- 21344428072 cubed (213444280723) is 9724192932895415658492288629248
-
The
square root of 21344428072 is 146097.3239727545 -
The
cube root of 21344428072 is 2773.9258054625
Scales and comparisons
How big is 21344428072?- 21,344,428,072 seconds is equal to 678 years, 35 weeks, 4 days, 23 hours, 47 minutes, 52 seconds.
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To count from 1 to 21,344,428,072 would take you about one thousand, three hundred fifty-seven 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 21344428072 cubic inches would be around 231.2 feet tall.
Recreational maths with 21344428072
- 21344428072 backwards is 27082444312
- The number of decimal digits it has is: 11
- The sum of 21344428072's digits is 37
- More coming soon!
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