198181816 (number)
198181816 is an even 9-digits composite number following 198181815 and preceding 198181817. In scientific notation, it is written as 1.98181816 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors. There are 84787200 positive integers (up to 198181816) that are relatively prime to 198181816.
Interesting facts
- 198181816 has 32 divisors, whose sum is 425414880
- The reverse of 198181816 is 618181891
- Previous prime number is 641
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 43
- Digital Root 7
Name
Name | one hundred ninety-eight million one hundred eighty-one thousand eight hundred sixteen |
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Notation
Scientific notation | 1.98181816 × 10^8 |
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Engineering notation | 1.98181816 × 10^6 |
Prime Factorization of 198181816
Prime Factorization 2 × 2 × 2 × 7 × 641 × 5521
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 49545454 | Product of the distinct prime numbers |
The prime factorization of 198181816 is 2 × 2 × 2 × 7 × 641 × 5521. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 198181816)
Multiplication
n×yn×2 | 396363632 |
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n×3 | 594545448 |
n×4 | 792727264 |
n×5 | 990909080 |
Division
n÷yn÷2 | 99090908 |
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n÷3 | 66060605.333333 |
n÷3 | 49545454 |
n÷5 | 39636363.2 |
Exponentiation
nyn2 | 39276032193057856 |
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n3 | 7.7837953852947E+24 |
n4 | 1.5426067048301E+33 |
n5 | 3.0571659813701E+41 |
Nth Root
y√n2√n | 14077.706347271 |
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3√n | 583.02601615644 |
4√n | 118.64951052268 |
5√n | 45.647054708948 |
Divisors of 198181816
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -198181815 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 198181816 can be divided by 32 positive divisors. The sum of these divisors (counting 198181816) is 1, the average is 0.03125.
Base conversion 198181816
Base | System | Value |
---|---|---|
2 | Binary | 1011110100000000001110111000 |
3 | Ternary | 111210220200100021 |
4 | Quaternary | 23310000032320 |
5 | Quinary | 401213304231 |
6 | Senary | 31355420224 |
8 | Octal | 1364001670 |
10 | Decimal | 198181816 |
12 | Duodecimal | 56454674 |
16 | Hexadecimal | bd003b8 |
20 | Vigesimal | 31iceag |
36 | Base36 | 39zq2g |
Cryptographic Hash Functions
md5 | 01972fd977e14beddd24960aaf674065 |
---|---|
sha1 | 88ccc325c2b93c5d4571b4db3e8acc4ebe84bb12 |
sha256 | 333e7a913e31446ede14daa84480b62c778f5c075fb18d1969258b9f6febb14d |
sha512 | c7972c143058624e8fa8faa2b70daaa1af7c65d3560b0eafb76535a357d176c19dd56a2282fafd75bd6c37e9b4c4334c7b85acd8d6cf2d9702e293911546e0a9 |
ripemd-160 | 0870fbfd123d31ef733278334087fa108bbf7aab |
198181816 as geometric shapes
Circle
Radius = nDiameter | 396363632 |
---|---|
Circumference | 1245213074.4414 |
Area | 1.2338929419987E+17 |
Sphere
Radius = nVolume | 3.2604685865984E+25 |
---|---|
Surface area | 4.9355717679947E+17 |
Circumference | 1245213074.4414 |
Square
Length = nPerimeter | 792727264 |
---|---|
Area | 39276032193057856 |
Diagonal | 280271412.00293 |
Cube
Length = nSurface area | 235656193158347136 |
---|---|
Volume | 7.7837953852947E+24 |
Space diagonal | 343260974.44827 |
Equilateral Triangle
Length = nPerimeter | 594545448 |
---|---|
Area | 1.7007020819522E+16 |
Altitude | 171630487.22413 |
Triangular Pyramid
Length = nSurface area | 1.7007020819522E+16 |
---|---|
Volume | 9.1732908338507E+23 |
Height | 93423804.000976 |