128429904 (number)
128429904 is an even 9-digits composite number following 128429903 and preceding 128429905. In scientific notation, it is written as 1.28429904 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 42415488 positive integers (up to 128429904) that are relatively prime to 128429904.
Interesting facts
- 128429904 has 40 divisors, whose sum is 334834720
- The reverse of 128429904 is 409924821
- Previous prime number is 109
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 39
- Digital Root 3
Name
Name | one hundred twenty-eight million four hundred twenty-nine thousand nine hundred four |
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Notation
Scientific notation | 1.28429904 × 10^8 |
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Engineering notation | 1.28429904 × 10^6 |
Prime Factorization of 128429904
Prime Factorization 2 × 2 × 2 × 2 × 3 × 109 × 24547
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 16053738 | Product of the distinct prime numbers |
The prime factorization of 128429904 is 2 × 2 × 2 × 2 × 3 × 109 × 24547. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 128429904)
Multiplication
n×yn×2 | 256859808 |
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n×3 | 385289712 |
n×4 | 513719616 |
n×5 | 642149520 |
Division
n÷yn÷2 | 64214952 |
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n÷3 | 42809968 |
n÷3 | 32107476 |
n÷5 | 25685980.8 |
Exponentiation
nyn2 | 16494240241449216 |
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n3 | 2.1183536907623E+24 |
n4 | 2.7205996114264E+32 |
n5 | 3.4940634691793E+40 |
Nth Root
y√n2√n | 11332.691824981 |
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3√n | 504.53200311808 |
4√n | 106.45511648099 |
5√n | 41.853639724057 |
Divisors of 128429904
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 | -128429903 | 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 128429904 can be divided by 40 positive divisors. The sum of these divisors (counting 128429904) is 1, the average is 0.025.
Base conversion 128429904
Base | System | Value |
---|---|---|
2 | Binary | 111101001111010111101010000 |
3 | Ternary | 22221122220201010 |
4 | Quaternary | 13221322331100 |
5 | Quinary | 230334224104 |
6 | Senary | 20424410520 |
8 | Octal | 751727520 |
10 | Decimal | 128429904 |
12 | Duodecimal | 37016a40 |
16 | Hexadecimal | 7a7af50 |
20 | Vigesimal | 202def4 |
36 | Base36 | 24gp5c |
Cryptographic Hash Functions
md5 | f2ad757c2418647a66727cf0b4b264ff |
---|---|
sha1 | 090c1fc85a124da2fe229ea089af3de59ecd5564 |
sha256 | 3f104ba30fbc117f1fe61e61557fc2ae5423db43eb56d59ed2d05ef5edfa9b6e |
sha512 | 9720b9f894443bfbeb7aed79e073b9aca40bfa1647aa23cfbefc6510c44bc1e3da428273ab1aed2d968b8b8c8640c92fe398e0b79defb19128ea70a21f97def8 |
ripemd-160 | c049b82dde9f99a1d1622227c7c282133720b6f8 |
128429904 as geometric shapes
Circle
Radius = nDiameter | 256859808 |
---|---|
Circumference | 806948885.81528 |
Area | 5.1818183969082E+16 |
Sphere
Radius = nVolume | 8.8733391901381E+24 |
---|---|
Surface area | 2.0727273587633E+17 |
Circumference | 806948885.81528 |
Square
Length = nPerimeter | 513719616 |
---|---|
Area | 16494240241449216 |
Diagonal | 181627312.05107 |
Cube
Length = nSurface area | 98965441448695296 |
---|---|
Volume | 2.1183536907623E+24 |
Space diagonal | 222447118.93919 |
Equilateral Triangle
Length = nPerimeter | 385289712 |
---|---|
Area | 7.1422155326093E+15 |
Altitude | 111223559.4696 |
Triangular Pyramid
Length = nSurface area | 7.1422155326093E+15 |
---|---|
Volume | 2.4965037661492E+23 |
Height | 60542437.350358 |