21331331532
21,331,331,532 is an even composite number composed of four prime numbers multiplied together.
21331331532 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 21331331532:
22 × 34 × 7 × 9405349
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 9405349)See below for interesting mathematical facts about the number 21331331532 from the Numbermatics database.
Names of 21331331532
- Cardinal: 21331331532 can be written as Twenty-one billion, three hundred thirty-one million, three hundred thirty-one thousand, five hundred thirty-two.
Scientific notation
- Scientific notation: 2.1331331532 × 1010
Factors of 21331331532
Divisors of 21331331532
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 9405349 18810698 28216047 37621396 56432094 65837443 84648141 112864188 131674886 169296282 197512329 253944423 263349772 338592564 395024658 507888846 592536987 761833269 790049316 1015777692 1185073974 1523666538 1777610961 2370147948 3047333076 3555221922 5332832883 7110443844 10665665766 21331331532
- Sum of all divisors σ(n): 63730651600
- Sum of proper divisors (its aliquot sum) s(n): 42399320068
- 21331331532 is an abundant number, because the sum of its proper divisors (42399320068) is greater than itself. Its abundance is 21067988536
Bases of 21331331532
- Binary: 100111101110111001001001001110011002
- Hexadecimal: 0x4F77249CC
- Base-36: 9SS4GR0
Squares and roots of 21331331532
- 21331331532 squared (213313315322) is 455025704928097467024
- 21331331532 cubed (213313315323) is 9706304167403253291098381400768
-
The
square root of 21331331532 is 146052.4958088701 -
The
cube root of 21331331532 is 2773.3583464689
Scales and comparisons
How big is 21331331532?- 21,331,331,532 seconds is equal to 678 years, 14 weeks, 9 hours, 52 minutes, 12 seconds.
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To count from 1 to 21,331,331,532 would take you about one thousand, three hundred fifty-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 21331331532 cubic inches would be around 231.1 feet tall.
Recreational maths with 21331331532
- 21331331532 backwards is 23513313312
- 21331331532 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21331331532's digits is 27
- More coming soon!
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