218989818 (number)
218989818 is an even 9-digits composite number following 218989817 and preceding 218989819. In scientific notation, it is written as 2.18989818 × 10^8. The sum of its digits is 54. It has a total of 7 prime factors and 80 positive divisors. There are 68065920 positive integers (up to 218989818) that are relatively prime to 218989818.
Interesting facts
- 218989818 has 80 divisors, whose sum is 524392704
- The reverse of 218989818 is 818989812
- Previous prime number is 131
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 54
- Digital Root 9
Name
Name | two hundred eighteen million nine hundred eighty-nine thousand eight hundred eighteen |
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Notation
Scientific notation | 2.18989818 × 10^8 |
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Engineering notation | 2.18989818 × 10^6 |
Prime Factorization of 218989818
Prime Factorization 2 × 9 × 3 × 3 × 17 × 131 × 607
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 72996606 | Product of the distinct prime numbers |
The prime factorization of 218989818 is 2 × 9 × 3 × 3 × 17 × 131 × 607. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 218989818)
Multiplication
n×yn×2 | 437979636 |
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n×3 | 656969454 |
n×4 | 875959272 |
n×5 | 1094949090 |
Division
n÷yn÷2 | 109494909 |
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n÷3 | 72996606 |
n÷3 | 54747454.5 |
n÷5 | 43797963.6 |
Exponentiation
nyn2 | 47956540387673124 |
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n3 | 1.0501994051406E+25 |
n4 | 2.2998297659545E+33 |
n5 | 5.0363930187736E+41 |
Nth Root
y√n2√n | 14798.304565051 |
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3√n | 602.75567438863 |
4√n | 121.64828221167 |
5√n | 46.567699578713 |
Divisors of 218989818
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -218989817 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 218989818 can be divided by 80 positive divisors. The sum of these divisors (counting 218989818) is 1, the average is 0.0125.
Base conversion 218989818
Base | System | Value |
---|---|---|
2 | Binary | 1101000011011000010011111010 |
3 | Ternary | 120021001211120000 |
4 | Quaternary | 31003120103322 |
5 | Quinary | 422030133233 |
6 | Senary | 33421413430 |
8 | Octal | 1503302372 |
10 | Decimal | 218989818 |
12 | Duodecimal | 6140a276 |
16 | Hexadecimal | d0d84fa |
20 | Vigesimal | 388deai |
36 | Base36 | 3mdpmi |
Cryptographic Hash Functions
md5 | 4a411486b4f1607c04f6c9af09324115 |
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sha1 | 1f22f74bae576cf776b53b787f07be52e23306ab |
sha256 | 4f3c9dc9e8a628f9b8addecac9105b5a5767daa793600b0c9f07ec73b4f262cf |
sha512 | c204d44a9f254802c8c96c79ac50b06d6f0d4d3abbd5e2b2ebcf967a421d95cc8c6c9937f8ae4391fcdf8f8029b13e5024d61817744fb88f7fa229b847129829 |
ripemd-160 | d76d063ef49a89a10c0af3ec3c5299e57458986c |
218989818 as geometric shapes
Circle
Radius = nDiameter | 437979636 |
---|---|
Circumference | 1375953606.8795 |
Area | 1.506599149735E+17 |
Sphere
Radius = nVolume | 4.3990649813255E+25 |
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Surface area | 6.0263965989398E+17 |
Circumference | 1375953606.8795 |
Square
Length = nPerimeter | 875959272 |
---|---|
Area | 47956540387673124 |
Diagonal | 309698370.63722 |
Cube
Length = nSurface area | 287739242326038744 |
---|---|
Volume | 1.0501994051406E+25 |
Space diagonal | 379301491.11626 |
Equilateral Triangle
Length = nPerimeter | 656969454 |
---|---|
Area | 2.076579112667E+16 |
Altitude | 189650745.55813 |
Triangular Pyramid
Length = nSurface area | 2.076579112667E+16 |
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Volume | 1.2376718682883E+24 |
Height | 103232790.21241 |