18012912 (number)
18012912 is an even 8-digits composite number following 18012911 and preceding 18012913. In scientific notation, it is written as 1.8012912 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 5688000 positive integers (up to 18012912) that are relatively prime to 18012912.
Interesting facts
- 18012912 has 40 divisors, whose sum is 48984960
- The reverse of 18012912 is 21921081
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | eighteen million twelve thousand nine hundred twelve |
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Notation
Scientific notation | 1.8012912 × 10^7 |
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Engineering notation | 1.8012912 × 10^6 |
Prime Factorization of 18012912
Prime Factorization 2 × 2 × 2 × 2 × 3 × 19 × 19751
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2251614 | Product of the distinct prime numbers |
The prime factorization of 18012912 is 2 × 2 × 2 × 2 × 3 × 19 × 19751. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18012912)
Multiplication
n×yn×2 | 36025824 |
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n×3 | 54038736 |
n×4 | 72051648 |
n×5 | 90064560 |
Division
n÷yn÷2 | 9006456 |
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n÷3 | 6004304 |
n÷3 | 4503228 |
n÷5 | 3602582.4 |
Exponentiation
nyn2 | 324464998719744 |
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n3 | 5.8445594690189E+21 |
n4 | 1.052775353942E+29 |
n5 | 1.8963549806327E+36 |
Nth Root
y√n2√n | 4244.1621081198 |
---|---|
3√n | 262.13678928167 |
4√n | 65.147234078814 |
5√n | 28.256397112193 |
Divisors of 18012912
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 | -18012911 | 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 18012912 can be divided by 40 positive divisors. The sum of these divisors (counting 18012912) is 1, the average is 0.025.
Base conversion 18012912
Base | System | Value |
---|---|---|
2 | Binary | 1000100101101101011110000 |
3 | Ternary | 1020220011001220 |
4 | Quaternary | 1010231223300 |
5 | Quinary | 14102403122 |
6 | Senary | 1442025040 |
8 | Octal | 104555360 |
10 | Decimal | 18012912 |
12 | Duodecimal | 6048180 |
16 | Hexadecimal | 112daf0 |
20 | Vigesimal | 5cbc5c |
36 | Base36 | aq2uo |
Cryptographic Hash Functions
md5 | d3a1f76008dcea453bc19cc7e573f805 |
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sha1 | e3334fcdafb0a0041e5ba2517b4e6fe82bcc65c0 |
sha256 | 9e91555ed91e8aeb24711b0e2e70e74515fdfd3b7a2ee83ee6e3d9be96544271 |
sha512 | 335269e146791b1370e5c3237d850cc21b81bfae5d3508c59b6534e085f3c56c1d02745b894c18230b44f0b621d51f3452e491066ae322ed38153522c4c86c16 |
ripemd-160 | b8da88791704f5a463b6302fa0bdbbb0bb350090 |
18012912 as geometric shapes
Circle
Radius = nDiameter | 36025824 |
---|---|
Circumference | 113178464.01792 |
Area | 1.019336856325E+15 |
Sphere
Radius = nVolume | 2.4481633455118E+22 |
---|---|
Surface area | 4.0773474252999E+15 |
Circumference | 113178464.01792 |
Square
Length = nPerimeter | 72051648 |
---|---|
Area | 324464998719744 |
Diagonal | 25474104.448233 |
Cube
Length = nSurface area | 1946789992318464 |
---|---|
Volume | 5.8445594690189E+21 |
Space diagonal | 31199278.776267 |
Equilateral Triangle
Length = nPerimeter | 54038736 |
---|---|
Area | 1.4049746576509E+14 |
Altitude | 15599639.388134 |
Triangular Pyramid
Length = nSurface area | 1.4049746576509E+14 |
---|---|
Volume | 6.8878793893188E+20 |
Height | 8491368.149411 |