123021808 (number)
123021808 is an even 9-digits composite number following 123021807 and preceding 123021809. In scientific notation, it is written as 1.23021808 × 10^8. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 46096128 positive integers (up to 123021808) that are relatively prime to 123021808.
Interesting facts
- 123021808 has 40 divisors, whose sum is 258677888
- The reverse of 123021808 is 808120321
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 25
- Digital Root 7
Name
Name | one hundred twenty-three million twenty-one thousand eight hundred eight |
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Notation
Scientific notation | 1.23021808 × 10^8 |
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Engineering notation | 1.23021808 × 10^6 |
Prime Factorization of 123021808
Prime Factorization 2 × 2 × 2 × 2 × 133 × 13 × 4447
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 15377726 | Product of the distinct prime numbers |
The prime factorization of 123021808 is 2 × 2 × 2 × 2 × 133 × 13 × 4447. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 123021808)
Multiplication
n×yn×2 | 246043616 |
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n×3 | 369065424 |
n×4 | 492087232 |
n×5 | 615109040 |
Division
n÷yn÷2 | 61510904 |
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n÷3 | 41007269.333333 |
n÷3 | 30755452 |
n÷5 | 24604361.6 |
Exponentiation
nyn2 | 15134365243588864 |
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n3 | 1.8618569751987E+24 |
n4 | 2.2904901132635E+32 |
n5 | 2.817802349398E+40 |
Nth Root
y√n2√n | 11091.519643403 |
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3√n | 497.34837327666 |
4√n | 105.31628384729 |
5√n | 41.495062310447 |
Divisors of 123021808
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 | -123021807 | 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 123021808 can be divided by 40 positive divisors. The sum of these divisors (counting 123021808) is 1, the average is 0.025.
Base conversion 123021808
Base | System | Value |
---|---|---|
2 | Binary | 111010101010010100111110000 |
3 | Ternary | 22120111011012021 |
4 | Quaternary | 13111102213300 |
5 | Quinary | 222443144213 |
6 | Senary | 20112441224 |
8 | Octal | 725224760 |
10 | Decimal | 123021808 |
12 | Duodecimal | 35249214 |
16 | Hexadecimal | 75529f0 |
20 | Vigesimal | 1i8hea8 |
36 | Base36 | 218s8g |
Cryptographic Hash Functions
md5 | c0331402f5e929262766bfbcf1fa9f82 |
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sha1 | 52bc9d27aca19b4a5aed7de88e1f539533bf7ba4 |
sha256 | a3bd8991eaca2e18b851a65fd6d4d26b83c38bc3253f10693396f4a694140b0c |
sha512 | 4d56f681e313ca4356280a14e75b2f1bd3759f9098047922eb0663533b5e24ccbfc38fb41d2e5ffc36d7dcb081d3184e10f5ea095e9d89060c518573f7f49c8f |
ripemd-160 | 1f42b4f23a65ac36acc32f313309f945d161cffd |
123021808 as geometric shapes
Circle
Radius = nDiameter | 246043616 |
---|---|
Circumference | 772968816.48827 |
Area | 4.7546010666003E+16 |
Sphere
Radius = nVolume | 7.7989282604254E+24 |
---|---|
Surface area | 1.9018404266401E+17 |
Circumference | 772968816.48827 |
Square
Length = nPerimeter | 492087232 |
---|---|
Area | 15134365243588864 |
Diagonal | 173979109.34126 |
Cube
Length = nSurface area | 90806191461533184 |
---|---|
Volume | 1.8618569751987E+24 |
Space diagonal | 213080021.89498 |
Equilateral Triangle
Length = nPerimeter | 369065424 |
---|---|
Area | 6.5533723855501E+15 |
Altitude | 106540010.94749 |
Triangular Pyramid
Length = nSurface area | 6.5533723855501E+15 |
---|---|
Volume | 2.1942194879374E+23 |
Height | 57993036.447086 |