18894018 (number)
18894018 is an even 8-digits composite number following 18894017 and preceding 18894019. In scientific notation, it is written as 1.8894018 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 64 positive divisors. There are 4924800 positive integers (up to 18894018) that are relatively prime to 18894018.
Interesting facts
- 18894018 has 64 divisors, whose sum is 45247104
- The reverse of 18894018 is 81049881
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | eighteen million eight hundred ninety-four thousand eighteen |
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Notation
Scientific notation | 1.8894018 × 10^7 |
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Engineering notation | 1.8894018 × 10^6 |
Prime Factorization of 18894018
Prime Factorization 2 × 3 × 361 × 13 × 11 × 61
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 18894018 | Product of the distinct prime numbers |
The prime factorization of 18894018 is 2 × 3 × 361 × 13 × 11 × 61. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18894018)
Multiplication
n×yn×2 | 37788036 |
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n×3 | 56682054 |
n×4 | 75576072 |
n×5 | 94470090 |
Division
n÷yn÷2 | 9447009 |
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n÷3 | 6298006 |
n÷3 | 4723504.5 |
n÷5 | 3778803.6 |
Exponentiation
nyn2 | 356983916184324 |
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n3 | 6.7448605380971E+21 |
n4 | 1.274375164143E+29 |
n5 | 2.407806729007E+36 |
Nth Root
y√n2√n | 4346.7249740466 |
---|---|
3√n | 266.34309469099 |
4√n | 65.929697208819 |
5√n | 28.527575600033 |
Divisors of 18894018
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -18894017 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 18894018 can be divided by 64 positive divisors. The sum of these divisors (counting 18894018) is 1, the average is 0.015625.
Base conversion 18894018
Base | System | Value |
---|---|---|
2 | Binary | 1001000000100110011000010 |
3 | Ternary | 1022112220201110 |
4 | Quaternary | 1020010303002 |
5 | Quinary | 14314102033 |
6 | Senary | 1512544150 |
8 | Octal | 110046302 |
10 | Decimal | 18894018 |
12 | Duodecimal | 63b2056 |
16 | Hexadecimal | 1204cc2 |
20 | Vigesimal | 5i1f0i |
36 | Base36 | b8ypu |
Cryptographic Hash Functions
md5 | a1700196f2df1ed5ef9bb2e71d07563c |
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sha1 | 20db2ec2e614cf98caf3c5c5cc7d5fcc0c113bc3 |
sha256 | f02ce6c075d5420bdba3f2e4a9c28184be6e995cadd9c9f01e297d172a173fbc |
sha512 | b970e490a526b63b1d210249c7c1123ad6c46641860e54b8078769f7594e9536c075b91754b45e6da4ba942e52e474f94ad2611476b82f4ff5677488e549edc9 |
ripemd-160 | 473499c22069b2e1741a878767dd6056b42b7b0a |
18894018 as geometric shapes
Circle
Radius = nDiameter | 37788036 |
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Circumference | 118714616.29119 |
Area | 1.1214980485344E+15 |
Sphere
Radius = nVolume | 2.8252805754631E+22 |
---|---|
Surface area | 4.4859921941375E+15 |
Circumference | 118714616.29119 |
Square
Length = nPerimeter | 75576072 |
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Area | 356983916184324 |
Diagonal | 26720176.503321 |
Cube
Length = nSurface area | 2141903497105944 |
---|---|
Volume | 6.7448605380971E+21 |
Space diagonal | 32725399.135121 |
Equilateral Triangle
Length = nPerimeter | 56682054 |
---|---|
Area | 1.5457857007904E+14 |
Altitude | 16362699.56756 |
Triangular Pyramid
Length = nSurface area | 1.5457857007904E+14 |
---|---|
Volume | 7.94889437441E+20 |
Height | 8906725.5011071 |