21371904 (number)
21371904 is an even 8-digits composite number following 21371903 and preceding 21371905. In scientific notation, it is written as 2.1371904 × 10^7. The sum of its digits is 27. It has a total of 13 prime factors and 88 positive divisors. There are 7114752 positive integers (up to 21371904) that are relatively prime to 21371904.
Interesting facts
- 21371904 has 88 divisors, whose sum is 63375120
- The reverse of 21371904 is 40917312
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million three hundred seventy-one thousand nine hundred four |
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Notation
Scientific notation | 2.1371904 × 10^7 |
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Engineering notation | 2.1371904 × 10^6 |
Prime Factorization of 21371904
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 9 × 773
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 13 | Total number of prime factors |
rad | Radical | 41742 | Product of the distinct prime numbers |
The prime factorization of 21371904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 9 × 773. Since it has a total of 13 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21371904)
Multiplication
n×yn×2 | 42743808 |
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n×3 | 64115712 |
n×4 | 85487616 |
n×5 | 106859520 |
Division
n÷yn÷2 | 10685952 |
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n÷3 | 7123968 |
n÷3 | 5342976 |
n÷5 | 4274380.8 |
Exponentiation
nyn2 | 456758280585216 |
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n3 | 9.7617941238723E+21 |
n4 | 2.0862812688316E+29 |
n5 | 4.4587802994468E+36 |
Nth Root
y√n2√n | 4622.9756650885 |
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3√n | 277.51155539902 |
4√n | 67.992467708478 |
5√n | 29.239412549642 |
Divisors of 21371904
88 divisors
τ | Total Divisors | 88 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21371903 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.011363636363636 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 88 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21371904 can be divided by 88 positive divisors. The sum of these divisors (counting 21371904) is 1, the average is 0.011363636363636.
Base conversion 21371904
Base | System | Value |
---|---|---|
2 | Binary | 1010001100001110000000000 |
3 | Ternary | 1111012210202000 |
4 | Quaternary | 1101201300000 |
5 | Quinary | 20432400104 |
6 | Senary | 2042024000 |
8 | Octal | 121416000 |
10 | Decimal | 21371904 |
12 | Duodecimal | 71a8000 |
16 | Hexadecimal | 1461c00 |
20 | Vigesimal | 6db9f4 |
36 | Base36 | cq2o0 |
Cryptographic Hash Functions
md5 | 91343fbf009be56571bb0faf94fe8c34 |
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sha1 | 83e84c62054274561bb799edd6358e0b671324ed |
sha256 | 7ca64ef0592145a9ac34b7db61aaa143e4fc41707a63e602299564d57b3b8bb0 |
sha512 | d34d6af988ac3d75460742baa550057527f02be61f2229f32028635856e4bedf08951091494e9a0797301573b31fe751516d585b712ef1fe83c7689c5f1796ed |
ripemd-160 | 789b9efb8cd8aaf0e7ccb4008431572c5385ca85 |
21371904 as geometric shapes
Circle
Radius = nDiameter | 42743808 |
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Circumference | 134283633.19925 |
Area | 1.4349484587528E+15 |
Sphere
Radius = nVolume | 4.0890107607218E+22 |
---|---|
Surface area | 5.7397938350113E+15 |
Circumference | 134283633.19925 |
Square
Length = nPerimeter | 85487616 |
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Area | 456758280585216 |
Diagonal | 30224436.490536 |
Cube
Length = nSurface area | 2740549683511296 |
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Volume | 9.7617941238723E+21 |
Space diagonal | 37017223.582485 |
Equilateral Triangle
Length = nPerimeter | 64115712 |
---|---|
Area | 1.9778213718785E+14 |
Altitude | 18508611.791242 |
Triangular Pyramid
Length = nSurface area | 1.9778213718785E+14 |
---|---|
Volume | 1.1504384702562E+21 |
Height | 10074812.163512 |