28808520 (number)
28808520 is an even 8-digits composite number following 28808519 and preceding 28808521. In scientific notation, it is written as 2.8808520 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 128 positive divisors. There are 6948864 positive integers (up to 28808520) that are relatively prime to 28808520.
Interesting facts
- 28808520 has 128 divisors, whose sum is 94953600
- The reverse of 28808520 is 02580882
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty-eight million eight hundred eight thousand five hundred twenty |
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Notation
Scientific notation | 2.8808520 × 10^7 |
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Engineering notation | 2.8808520 × 10^6 |
Prime Factorization of 28808520
Prime Factorization 2 × 2 × 2 × 5 × 3 × 59 × 13 × 313
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 7202130 | Product of the distinct prime numbers |
The prime factorization of 28808520 is 2 × 2 × 2 × 5 × 3 × 59 × 13 × 313. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28808520)
Multiplication
n×yn×2 | 57617040 |
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n×3 | 86425560 |
n×4 | 115234080 |
n×5 | 144042600 |
Division
n÷yn÷2 | 14404260 |
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n÷3 | 9602840 |
n÷3 | 7202130 |
n÷5 | 5761704 |
Exponentiation
nyn2 | 829930824590400 |
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n3 | 2.3909078758829E+22 |
n4 | 6.887851736053E+29 |
n5 | 1.9842881449512E+37 |
Nth Root
y√n2√n | 5367.3568914318 |
---|---|
3√n | 306.55399662706 |
4√n | 73.262247381798 |
5√n | 31.03874761164 |
Divisors of 28808520
128 divisors
τ | Total Divisors | 128 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28808519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28808520 can be divided by 128 positive divisors. The sum of these divisors (counting 28808520) is 1, the average is 0.0078125.
Base conversion 28808520
Base | System | Value |
---|---|---|
2 | Binary | 1101101111001010101001000 |
3 | Ternary | 2000012121212020 |
4 | Quaternary | 1231321111020 |
5 | Quinary | 24333333040 |
6 | Senary | 2505244440 |
8 | Octal | 155712510 |
10 | Decimal | 28808520 |
12 | Duodecimal | 9793720 |
16 | Hexadecimal | 1b79548 |
20 | Vigesimal | 901160 |
36 | Base36 | h5gso |
Cryptographic Hash Functions
md5 | 7526bfb6a45a244d19396b589bc190fd |
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sha1 | 5dbcf7799314ab465f55e1897dcef1632b64f8fd |
sha256 | da4d476bd4f16705cd5d4a0bc1d0123bef6d6a0e97dec37bf0bcc399c9f90d58 |
sha512 | 1cb41307ee7266513829701945e8a11478df05e4ed421c5bd53b9ca676cb95cd1c4531071ae3ba917e30c02b096e66692ed2ac3c3fa00d2c758c45f463f79bf9 |
ripemd-160 | 2e674576888826fd52d614ec1c3613db7aabd00e |
28808520 as geometric shapes
Circle
Radius = nDiameter | 57617040 |
---|---|
Circumference | 181009269.58559 |
Area | 2.6073045815209E+15 |
Sphere
Radius = nVolume | 1.0015011491045E+23 |
---|---|
Surface area | 1.0429218326084E+16 |
Circumference | 181009269.58559 |
Square
Length = nPerimeter | 115234080 |
---|---|
Area | 829930824590400 |
Diagonal | 40741399.695897 |
Cube
Length = nSurface area | 4979584947542400 |
---|---|
Volume | 2.3909078758829E+22 |
Space diagonal | 49897820.330864 |
Equilateral Triangle
Length = nPerimeter | 86425560 |
---|---|
Area | 3.5937058873953E+14 |
Altitude | 24948910.165432 |
Triangular Pyramid
Length = nSurface area | 3.5937058873953E+14 |
---|---|
Volume | 2.8177119537152E+21 |
Height | 13580466.565299 |