21427470840
21,427,470,840 is an even composite number composed of five prime numbers multiplied together.
21427470840 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 21427470840:
23 × 3 × 5 × 41 × 4355177
(2 × 2 × 2 × 3 × 5 × 41 × 4355177)See below for interesting mathematical facts about the number 21427470840 from the Numbermatics database.
Names of 21427470840
- Cardinal: 21427470840 can be written as Twenty-one billion, four hundred twenty-seven million, four hundred seventy thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.142747084 × 1010
Factors of 21427470840
Divisors of 21427470840
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 4355177 8710354 13065531 17420708 21775885 26131062 34841416 43551770 52262124 65327655 87103540 104524248 130655310 174207080 178562257 261310620 357124514 522621240 535686771 714249028 892811285 1071373542 1428498056 1785622570 2142747084 2678433855 3571245140 4285494168 5356867710 7142490280 10713735420 21427470840
- Sum of all divisors σ(n): 65850291360
- Sum of proper divisors (its aliquot sum) s(n): 44422820520
- 21427470840 is an abundant number, because the sum of its proper divisors (44422820520) is greater than itself. Its abundance is 22995349680
Bases of 21427470840
- Binary: 100111111010010110101000001111110002
- Hexadecimal: 0x4FD2D41F8
- Base-36: 9UDD2BC
Squares and roots of 21427470840
- 21427470840 squared (214274708402) is 459136506599050305600
- 21427470840 cubed (214274708403) is 9838134106730617994937088704000
-
The
square root of 21427470840 is 146381.2516683745 -
The
cube root of 21427470840 is 2777.5185679523
Scales and comparisons
How big is 21427470840?- 21,427,470,840 seconds is equal to 681 years, 17 weeks, 3 hours, 14 minutes.
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To count from 1 to 21,427,470,840 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 21427470840 cubic inches would be around 231.5 feet tall.
Recreational maths with 21427470840
- 21427470840 backwards is 04807472412
- The number of decimal digits it has is: 11
- The sum of 21427470840's digits is 39
- More coming soon!
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The information we have on file for 21427470840 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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