21409340240
21,409,340,240 is an even composite number composed of five prime numbers multiplied together.
21409340240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21409340240:
24 × 5 × 23 × 3919 × 2969
(2 × 2 × 2 × 2 × 5 × 23 × 3919 × 2969)See below for interesting mathematical facts about the number 21409340240 from the Numbermatics database.
Names of 21409340240
- Cardinal: 21409340240 can be written as Twenty-one billion, four hundred nine million, three hundred forty thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.140934024 × 1010
Factors of 21409340240
Divisors of 21409340240
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 2969 3919 5938 7838 11876 14845 15676 19595 23752 29690 31352 39190 47504 59380 62704 68287 78380 90137 118760 136574 156760 180274 237520 273148 313520 341435 360548 450685 546296 682870 721096 901370 1092592 1365740 1442192 1802740 2731480 3605480 5462960 7210960 11635511 23271022 46542044 58177555 93084088 116355110 186168176 232710220 267616753 465420440 535233506 930840880 1070467012 1338083765 2140934024 2676167530 4281868048 5352335060 10704670120 21409340240
- Sum of all divisors σ(n): 51971673600
- Sum of proper divisors (its aliquot sum) s(n): 30562333360
- 21409340240 is an abundant number, because the sum of its proper divisors (30562333360) is greater than itself. Its abundance is 9152993120
Bases of 21409340240
- Binary: 100111111000001100010011011010100002
- Hexadecimal: 0x4FC189B50
- Base-36: 9U2KGNK
Squares and roots of 21409340240
- 21409340240 squared (214093402402) is 458359849512083257600
- 21409340240 cubed (214093402403) is 9813181970559388453165965824000
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The
square root of 21409340240 is 146319.3091837163 -
The
cube root of 21409340240 is 2776.7349587791
Scales and comparisons
How big is 21409340240?- 21,409,340,240 seconds is equal to 680 years, 39 weeks, 6 hours, 57 minutes, 20 seconds.
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To count from 1 to 21,409,340,240 would take you about one thousand, three hundred sixty-one 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 21409340240 cubic inches would be around 231.4 feet tall.
Recreational maths with 21409340240
- 21409340240 backwards is 04204390412
- The number of decimal digits it has is: 11
- The sum of 21409340240's digits is 29
- More coming soon!
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The information we have on file for 21409340240 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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