21490839280
21,490,839,280 is an even composite number composed of six prime numbers multiplied together.
21490839280 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21490839280:
24 × 5 × 31 × 43 × 137 × 1471
(2 × 2 × 2 × 2 × 5 × 31 × 43 × 137 × 1471)See below for interesting mathematical facts about the number 21490839280 from the Numbermatics database.
Names of 21490839280
- Cardinal: 21490839280 can be written as Twenty-one billion, four hundred ninety million, eight hundred thirty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 2.149083928 × 1010
Factors of 21490839280
Divisors of 21490839280
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 40 43 62 80 86 124 137 155 172 215 248 274 310 344 430 496 548 620 685 688 860 1096 1240 1333 1370 1471 1720 2192 2480 2666 2740 2942 3440 4247 5332 5480 5884 5891 6665 7355 8494 10664 10960 11768 11782 13330 14710 16988 21235 21328 23536 23564 26660 29420 29455 33976 42470 45601 47128 53320 58840 58910 63253 67952 84940 91202 94256 106640 117680 117820 126506 169880 182404 182621 201527 228005 235640 253012 316265 339760 364808 365242 403054 456010 471280 506024 632530 729616 730484 806108 912020 913105 1007635 1012048 1265060 1460968 1612216 1824040 1826210 1960843 2015270 2530120 2921936 3224432 3648080 3652420 3921686 4030540 5060240 6247337 7304840 7843372 8061080 8665661 9804215 12494674 14609680 15686744 16122160 17331322 19608430 24989348 31236685 31373488 34662644 39216860 43328305 49978696 62473370 69325288 78433720 86656610 99957392 124946740 138650576 156867440 173313220 249893480 268635491 346626440 499786960 537270982 693252880 1074541964 1343177455 2149083928 2686354910 4298167856 5372709820 10745419640 21490839280
- Sum of all divisors σ(n): 53198880768
- Sum of proper divisors (its aliquot sum) s(n): 31708041488
- 21490839280 is an abundant number, because the sum of its proper divisors (31708041488) is greater than itself. Its abundance is 10217202208
Bases of 21490839280
- Binary: 101000000001111010000101110111100002
- Hexadecimal: 0x500F42EF0
- Base-36: 9VF39PS
Squares and roots of 21490839280
- 21490839280 squared (214908392802) is 461856172958790918400
- 21490839280 cubed (214908392803) is 9925676783533257690457994752000
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The
square root of 21490839280 is 146597.5418620653 -
The
cube root of 21490839280 is 2780.2539008653
Scales and comparisons
How big is 21490839280?- 21,490,839,280 seconds is equal to 683 years, 17 weeks, 5 days, 13 hours, 34 minutes, 40 seconds.
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To count from 1 to 21,490,839,280 would take you about one thousand, three hundred sixty-six 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 21490839280 cubic inches would be around 231.7 feet tall.
Recreational maths with 21490839280
- 21490839280 backwards is 08293809412
- The number of decimal digits it has is: 11
- The sum of 21490839280's digits is 46
- More coming soon!
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The information we have on file for 21490839280 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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