18690640 (number)
18690640 is an even 8-digits composite number following 18690639 and preceding 18690641. In scientific notation, it is written as 1.8690640 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 40 positive divisors. There are 7426176 positive integers (up to 18690640) that are relatively prime to 18690640.
Interesting facts
- 18690640 has 40 divisors, whose sum is 43747200
- The reverse of 18690640 is 04609681
- Previous prime number is 167
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 34
- Digital Root 7
Name
Name | eighteen million six hundred ninety thousand six hundred forty |
---|
Notation
Scientific notation | 1.8690640 × 10^7 |
---|---|
Engineering notation | 1.8690640 × 10^6 |
Prime Factorization of 18690640
Prime Factorization 2 × 2 × 2 × 2 × 5 × 167 × 1399
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2336330 | Product of the distinct prime numbers |
The prime factorization of 18690640 is 2 × 2 × 2 × 2 × 5 × 167 × 1399. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18690640)
Multiplication
n×yn×2 | 37381280 |
---|---|
n×3 | 56071920 |
n×4 | 74762560 |
n×5 | 93453200 |
Division
n÷yn÷2 | 9345320 |
---|---|
n÷3 | 6230213.3333333 |
n÷3 | 4672660 |
n÷5 | 3738128 |
Exponentiation
nyn2 | 349340023609600 |
---|---|
n3 | 6.5293886188785E+21 |
n4 | 1.2203845209556E+29 |
n5 | 2.2809767742753E+36 |
Nth Root
y√n2√n | 4323.2672829701 |
---|---|
3√n | 265.38399297567 |
4√n | 65.751557266502 |
5√n | 28.465894439807 |
Divisors of 18690640
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 | -18690639 | 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 18690640 can be divided by 40 positive divisors. The sum of these divisors (counting 18690640) is 1, the average is 0.025.
Base conversion 18690640
Base | System | Value |
---|---|---|
2 | Binary | 1000111010011001001010000 |
3 | Ternary | 1022011120201221 |
4 | Quaternary | 1013103021100 |
5 | Quinary | 14241100030 |
6 | Senary | 1504334424 |
8 | Octal | 107231120 |
10 | Decimal | 18690640 |
12 | Duodecimal | 6314414 |
16 | Hexadecimal | 11d3250 |
20 | Vigesimal | 5gg6c0 |
36 | Base36 | b4lsg |
Cryptographic Hash Functions
md5 | 82c9c1fe37b00188293a6091f1df9b82 |
---|---|
sha1 | cf3a8b04f00e60fe04ac30fbbbf7487328f29d83 |
sha256 | 2daf1cdb715f280b09733d367338743c2527fcb4d807c7dc8fce959b5128fbf5 |
sha512 | 825efc96d23235d9781e95bce5bdf863bba0b0a270c9588bd1f41432a6dec1536313d3d478bb3bb868a8d2ddd3f3a75b859ba259353ecb6335ff8ae4049e8d6a |
ripemd-160 | f10c3f419d1d606bdff6470da5d40152cfec8d13 |
18690640 as geometric shapes
Circle
Radius = nDiameter | 37381280 |
---|---|
Circumference | 117436754.62978 |
Area | 1.0974840517768E+15 |
Sphere
Radius = nVolume | 2.7350239090002E+22 |
---|---|
Surface area | 4.3899362071072E+15 |
Circumference | 117436754.62978 |
Square
Length = nPerimeter | 74762560 |
---|---|
Area | 349340023609600 |
Diagonal | 26432556.577433 |
Cube
Length = nSurface area | 2096040141657600 |
---|---|
Volume | 6.5293886188785E+21 |
Space diagonal | 32373138.105979 |
Equilateral Triangle
Length = nPerimeter | 56071920 |
---|---|
Area | 1.5126866750228E+14 |
Altitude | 16186569.05299 |
Triangular Pyramid
Length = nSurface area | 1.5126866750228E+14 |
---|---|
Volume | 7.6949582823521E+20 |
Height | 8810852.1924777 |