18180640 (number)
18180640 is an even 8-digits composite number following 18180639 and preceding 18180641. In scientific notation, it is written as 1.8180640 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 48 positive divisors. There are 7223040 positive integers (up to 18180640) that are relatively prime to 18180640.
Interesting facts
- 18180640 has 48 divisors, whose sum is 43243200
- The reverse of 18180640 is 04608181
- Previous prime number is 199
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
Name | eighteen million one hundred eighty thousand six hundred forty |
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Notation
Scientific notation | 1.8180640 × 10^7 |
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Engineering notation | 1.8180640 × 10^6 |
Prime Factorization of 18180640
Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 199 × 571
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1136290 | Product of the distinct prime numbers |
The prime factorization of 18180640 is 2 × 2 × 2 × 2 × 2 × 5 × 199 × 571. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18180640)
Multiplication
n×yn×2 | 36361280 |
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n×3 | 54541920 |
n×4 | 72722560 |
n×5 | 90903200 |
Division
n÷yn÷2 | 9090320 |
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n÷3 | 6060213.3333333 |
n÷3 | 4545160 |
n÷5 | 3636128 |
Exponentiation
nyn2 | 330535670809600 |
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n3 | 6.0093500381478E+21 |
n4 | 1.0925382967755E+29 |
n5 | 1.9863045459889E+36 |
Nth Root
y√n2√n | 4263.8761708098 |
---|---|
3√n | 262.94790951271 |
4√n | 65.298362696241 |
5√n | 28.308824332734 |
Divisors of 18180640
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -18180639 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 18180640 can be divided by 48 positive divisors. The sum of these divisors (counting 18180640) is 1, the average is 0.020833333333333.
Base conversion 18180640
Base | System | Value |
---|---|---|
2 | Binary | 1000101010110101000100000 |
3 | Ternary | 1021012200011001 |
4 | Quaternary | 1011112220200 |
5 | Quinary | 14123240030 |
6 | Senary | 1445401344 |
8 | Octal | 105265040 |
10 | Decimal | 18180640 |
12 | Duodecimal | 6109254 |
16 | Hexadecimal | 1156a20 |
20 | Vigesimal | 5dcbc0 |
36 | Base36 | ato9s |
Cryptographic Hash Functions
md5 | bfcf922660f06332df1540f7c32fb451 |
---|---|
sha1 | 1e8354ac2f5117e2d17a7f6c677e3fdf6384e65b |
sha256 | d6f745a5b6f31e00bef0a6c277cdd6811ba2db2c3a09f41eaf6427b0516d3ec6 |
sha512 | 045cb673950872cf5d6af3311258986a6168617a8cb0d6ff0a20abc3083fda10525a1769105303c4eb882b3b189bdbd7b772c06e541fb840ac7003c27a83d8a4 |
ripemd-160 | 855b5ff8b1602cc4558e230266d8933080f787f1 |
18180640 as geometric shapes
Circle
Radius = nDiameter | 36361280 |
---|---|
Circumference | 114232330.12312 |
Area | 1.0384084351648E+15 |
Sphere
Radius = nVolume | 2.5171906576926E+22 |
---|---|
Surface area | 4.1536337406593E+15 |
Circumference | 114232330.12312 |
Square
Length = nPerimeter | 72722560 |
---|---|
Area | 330535670809600 |
Diagonal | 25711307.660623 |
Cube
Length = nSurface area | 1983214024857600 |
---|---|
Volume | 6.0093500381478E+21 |
Space diagonal | 31489792.194119 |
Equilateral Triangle
Length = nPerimeter | 54541920 |
---|---|
Area | 1.4312614388902E+14 |
Altitude | 15744896.09706 |
Triangular Pyramid
Length = nSurface area | 1.4312614388902E+14 |
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Volume | 7.0820869374966E+20 |
Height | 8570435.8868743 |