20808420 (number)
20808420 is an even 8-digits composite number following 20808419 and preceding 20808421. In scientific notation, it is written as 2.0808420 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5256576 positive integers (up to 20808420) that are relatively prime to 20808420.
Interesting facts
- 20808420 has 48 divisors, whose sum is 61333440
- The reverse of 20808420 is 02480802
- 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 | twenty million eight hundred eight thousand four hundred twenty |
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Notation
Scientific notation | 2.0808420 × 10^7 |
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Engineering notation | 2.0808420 × 10^6 |
Prime Factorization of 20808420
Prime Factorization 2 × 2 × 3 × 5 × 19 × 18253
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10404210 | Product of the distinct prime numbers |
The prime factorization of 20808420 is 2 × 2 × 3 × 5 × 19 × 18253. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20808420)
Multiplication
n×yn×2 | 41616840 |
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n×3 | 62425260 |
n×4 | 83233680 |
n×5 | 104042100 |
Division
n÷yn÷2 | 10404210 |
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n÷3 | 6936140 |
n÷3 | 5202105 |
n÷5 | 4161684 |
Exponentiation
nyn2 | 432990342896400 |
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n3 | 9.0098449109323E+21 |
n4 | 1.8748063704154E+29 |
n5 | 3.901175837428E+36 |
Nth Root
y√n2√n | 4561.6247105609 |
---|---|
3√n | 275.05087763891 |
4√n | 67.53980093664 |
5√n | 29.083577101427 |
Divisors of 20808420
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 | -20808419 | 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 20808420 can be divided by 48 positive divisors. The sum of these divisors (counting 20808420) is 1, the average is 0.020833333333333.
Base conversion 20808420
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000001011100100 |
3 | Ternary | 1110011011210020 |
4 | Quaternary | 1033120023210 |
5 | Quinary | 20311332140 |
6 | Senary | 2021555140 |
8 | Octal | 117301344 |
10 | Decimal | 20808420 |
12 | Duodecimal | 6b75ab0 |
16 | Hexadecimal | 13d82e4 |
20 | Vigesimal | 6a1110 |
36 | Base36 | cdzvo |
Cryptographic Hash Functions
md5 | c9a116016a5aa9f5ec34606a0b17234f |
---|---|
sha1 | 42da283ca1037e9e61943ebe1f57c2e96e8f17ba |
sha256 | 6ff3f1e078d5578cb15a251905d1494cbc96f46a35cbf12df8a4a58febb01526 |
sha512 | 0f225d2eab2f95da81b622e2385e42d93f997188e20142bca46c1470715f5f6c76b2cdc64d68e267d7c8e2a8971ad0caf9aa078dc9ffae4968a7128fae2f03b6 |
ripemd-160 | cd218dc72d946be259b39d438b67c425f60a66d8 |
20808420 as geometric shapes
Circle
Radius = nDiameter | 41616840 |
---|---|
Circumference | 130743158.80962 |
Area | 1.3602792803187E+15 |
Sphere
Radius = nVolume | 3.7740350109558E+22 |
---|---|
Surface area | 5.4411171212746E+15 |
Circumference | 130743158.80962 |
Square
Length = nPerimeter | 83233680 |
---|---|
Area | 432990342896400 |
Diagonal | 29427549.775556 |
Cube
Length = nSurface area | 2597942057378400 |
---|---|
Volume | 9.0098449109323E+21 |
Space diagonal | 36041240.665232 |
Equilateral Triangle
Length = nPerimeter | 62425260 |
---|---|
Area | 1.8749031827081E+14 |
Altitude | 18020620.332616 |
Triangular Pyramid
Length = nSurface area | 1.8749031827081E+14 |
---|---|
Volume | 1.0618204056599E+21 |
Height | 9809183.2585185 |