21105040 (number)
21105040 is an even 8-digits composite number following 21105039 and preceding 21105041. In scientific notation, it is written as 2.1105040 × 10^7. The sum of its digits is 13. It has a total of 7 prime factors and 40 positive divisors. There are 7400960 positive integers (up to 21105040) that are relatively prime to 21105040.
Interesting facts
- 21105040 has 40 divisors, whose sum is 43122240
- The reverse of 21105040 is 04050112
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 13
- Digital Root 4
Name
Name | twenty-one million one hundred five thousand forty |
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Notation
Scientific notation | 2.1105040 × 10^7 |
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Engineering notation | 2.1105040 × 10^6 |
Prime Factorization of 21105040
Prime Factorization 2 × 2 × 2 × 2 × 55 × 29 × 827
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2638130 | Product of the distinct prime numbers |
The prime factorization of 21105040 is 2 × 2 × 2 × 2 × 55 × 29 × 827. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21105040)
Multiplication
n×yn×2 | 42210080 |
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n×3 | 63315120 |
n×4 | 84420160 |
n×5 | 105525200 |
Division
n÷yn÷2 | 10552520 |
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n÷3 | 7035013.3333333 |
n÷3 | 5276260 |
n÷5 | 4221008 |
Exponentiation
nyn2 | 445422713401600 |
---|---|
n3 | 9.4006641832493E+21 |
n4 | 1.9840139361404E+29 |
n5 | 4.1872693482801E+36 |
Nth Root
y√n2√n | 4594.0222028197 |
---|---|
3√n | 276.35164867628 |
4√n | 67.779216599336 |
5√n | 29.166024476267 |
Divisors of 21105040
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21105039 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21105040 can be divided by 40 positive divisors. The sum of these divisors (counting 21105040) is 1, the average is 0.025.
Base conversion 21105040
Base | System | Value |
---|---|---|
2 | Binary | 1010000100000100110010000 |
3 | Ternary | 1110201020200011 |
4 | Quaternary | 1100200212100 |
5 | Quinary | 20400330130 |
6 | Senary | 2032204304 |
8 | Octal | 120404620 |
10 | Decimal | 21105040 |
12 | Duodecimal | 7099694 |
16 | Hexadecimal | 1420990 |
20 | Vigesimal | 6bi2c0 |
36 | Base36 | ckcr4 |
Cryptographic Hash Functions
md5 | 3c7968c941545e3b065de83307933aab |
---|---|
sha1 | 8ca5dbbc00bfce3db95a5fa0947f9f09db5ec1ac |
sha256 | 12347632a8cf025e0f02d773d875f8a49b0138ff013fc9b24cb66e72dbcfd80d |
sha512 | da767aae8a0d710c0ecbd2b9d3d7c836286b97a6ba9a05b76a78eb27b2166d62ea4440a92b71b767a2e6ce0faf8e83a08255790de5ba90fef419aded10aede5d |
ripemd-160 | fa4936ca457baef7690541f4e099afc278b817ec |
21105040 as geometric shapes
Circle
Radius = nDiameter | 42210080 |
---|---|
Circumference | 132606877.23544 |
Area | 1.3993367241645E+15 |
Sphere
Radius = nVolume | 3.9377410049281E+22 |
---|---|
Surface area | 5.597346896658E+15 |
Circumference | 132606877.23544 |
Square
Length = nPerimeter | 84420160 |
---|---|
Area | 445422713401600 |
Diagonal | 29847033.802427 |
Cube
Length = nSurface area | 2672536280409600 |
---|---|
Volume | 9.4006641832493E+21 |
Space diagonal | 36555001.575773 |
Equilateral Triangle
Length = nPerimeter | 63315120 |
---|---|
Area | 1.9287369261419E+14 |
Altitude | 18277500.787887 |
Triangular Pyramid
Length = nSurface area | 1.9287369261419E+14 |
---|---|
Volume | 1.1078788986055E+21 |
Height | 9949011.2674756 |