21438924040
21,438,924,040 is an even composite number composed of five prime numbers multiplied together.
21438924040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21438924040:
23 × 5 × 47 × 251 × 45433
(2 × 2 × 2 × 5 × 47 × 251 × 45433)See below for interesting mathematical facts about the number 21438924040 from the Numbermatics database.
Names of 21438924040
- Cardinal: 21438924040 can be written as Twenty-one billion, four hundred thirty-eight million, nine hundred twenty-four thousand and forty.
Scientific notation
- Scientific notation: 2.143892404 × 1010
Factors of 21438924040
Divisors of 21438924040
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 40 47 94 188 235 251 376 470 502 940 1004 1255 1880 2008 2510 5020 10040 11797 23594 45433 47188 58985 90866 94376 117970 181732 227165 235940 363464 454330 471880 908660 1817320 2135351 4270702 8541404 10676755 11403683 17082808 21353510 22807366 42707020 45614732 57018415 85414040 91229464 114036830 228073660 456147320 535973101 1071946202 2143892404 2679865505 4287784808 5359731010 10719462020 21438924040
- Sum of all divisors σ(n): 49461269760
- Sum of proper divisors (its aliquot sum) s(n): 28022345720
- 21438924040 is an abundant number, because the sum of its proper divisors (28022345720) is greater than itself. Its abundance is 6583421680
Bases of 21438924040
- Binary: 100111111011101110000000101000010002
- Hexadecimal: 0x4FDDC0508
- Base-36: 9UK6JNS
Squares and roots of 21438924040
- 21438924040 squared (214389240402) is 459627463992889921600
- 21438924040 cubed (214389240403) is 9853918287241402129263955264000
-
The
square root of 21438924040 is 146420.3675722745 -
The
cube root of 21438924040 is 2778.0133504013
Scales and comparisons
How big is 21438924040?- 21,438,924,040 seconds is equal to 681 years, 35 weeks, 6 days, 16 hours, 40 minutes, 40 seconds.
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To count from 1 to 21,438,924,040 would take you about one thousand, three hundred sixty-three 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 21438924040 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438924040
- 21438924040 backwards is 04042983412
- The number of decimal digits it has is: 11
- The sum of 21438924040's digits is 37
- More coming soon!
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The information we have on file for 21438924040 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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