128520 (number)
128520 is an even 6-digits composite number following 128519 and preceding 128521. In scientific notation, it is written as 1.28520 × 10^5. The sum of its digits is 18. It has a total of 8 prime factors and 128 positive divisors. There are 27648 positive integers (up to 128520) that are relatively prime to 128520.
Interesting facts
- 128520 has 128 divisors, whose sum is 518400
- The reverse of 128520 is 025821
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 18
- Digital Root 9
Name
Name | one hundred twenty-eight thousand five hundred twenty |
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Notation
Scientific notation | 1.28520 × 10^5 |
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Engineering notation | 1.28520 × 10^3 |
Prime Factorization of 128520
Prime Factorization 2 × 2 × 2 × 5 × 3 × 7 × 9 × 17
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 32130 | Product of the distinct prime numbers |
The prime factorization of 128520 is 2 × 2 × 2 × 5 × 3 × 7 × 9 × 17. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 128520)
Multiplication
n×yn×2 | 257040 |
---|---|
n×3 | 385560 |
n×4 | 514080 |
n×5 | 642600 |
Division
n÷yn÷2 | 64260 |
---|---|
n÷3 | 42840 |
n÷3 | 32130 |
n÷5 | 25704 |
Exponentiation
nyn2 | 16517390400 |
---|---|
n3 | 2122815014208000 |
n4 | 2.7282418562601E+20 |
n5 | 3.5063364336655E+25 |
Nth Root
y√n2√n | 358.49686191095 |
---|---|
3√n | 50.464995511262 |
4√n | 18.934013359849 |
5√n | 10.514633595345 |
Divisors of 128520
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 | -128519 | 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 128520 can be divided by 128 positive divisors. The sum of these divisors (counting 128520) is 1, the average is 0.0078125.
Base conversion 128520
Base | System | Value |
---|---|---|
2 | Binary | 11111011000001000 |
3 | Ternary | 20112022000 |
4 | Quaternary | 133120020 |
5 | Quinary | 13103040 |
6 | Senary | 2431000 |
8 | Octal | 373010 |
10 | Decimal | 128520 |
12 | Duodecimal | 62460 |
16 | Hexadecimal | 1f608 |
20 | Vigesimal | g160 |
36 | Base36 | 2r60 |
Cryptographic Hash Functions
md5 | e301f4b956cea261b4a279396f397c63 |
---|---|
sha1 | 7abaee8799769757c21f941f4cb3932a5b63fe19 |
sha256 | 92bf319029333b1a1bc1d013d3c031775deff2544cdc47e9dd8a0f60e40ecee8 |
sha512 | cd911bf20fdb7d7d64baa94eb340457d9c1de34643d8a705fe3af6ea8a395b0f817fb9540a9aded5ce3bd884b15d83ab9c4fda25710c3d984e2d896908cf2485 |
ripemd-160 | 560a70e116ed760721cda43fc72ba47b9fb60a06 |
128520 as geometric shapes
Circle
Radius = nDiameter | 257040 |
---|---|
Circumference | 807514.97567872 |
Area | 51890912337.115 |
Sphere
Radius = nVolume | 8.892026738088E+15 |
---|---|
Surface area | 207563649348.46 |
Circumference | 807514.97567872 |
Square
Length = nPerimeter | 514080 |
---|---|
Area | 16517390400 |
Diagonal | 181754.72703619 |
Cube
Length = nSurface area | 99104342400 |
---|---|
Volume | 2122815014208000 |
Space diagonal | 222603.16978875 |
Equilateral Triangle
Length = nPerimeter | 385560 |
---|---|
Area | 7152239845.3126 |
Altitude | 111301.58489438 |
Triangular Pyramid
Length = nSurface area | 7152239845.3126 |
---|---|
Volume | 2.5017614862518E+14 |
Height | 60584.909012063 |