20155149 (number)
20155149 is an odd 8-digits composite number following 20155148 and preceding 20155150. In scientific notation, it is written as 2.0155149 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 48 positive divisors. There are 10575360 positive integers (up to 20155149) that are relatively prime to 20155149.
Interesting facts
- 20155149 has 48 divisors, whose sum is 33008640
- The reverse of 20155149 is 94155102
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty million one hundred fifty-five thousand one hundred forty-nine |
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Notation
Scientific notation | 2.0155149 × 10^7 |
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Engineering notation | 2.0155149 × 10^6 |
Prime Factorization of 20155149
Prime Factorization 17 × 63 × 3 × 3 × 3 × 17 × 41
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 131733 | Product of the distinct prime numbers |
The prime factorization of 20155149 is 17 × 63 × 3 × 3 × 3 × 17 × 41. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20155149)
Multiplication
n×yn×2 | 40310298 |
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n×3 | 60465447 |
n×4 | 80620596 |
n×5 | 100775745 |
Division
n÷yn÷2 | 10077574.5 |
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n÷3 | 6718383 |
n÷3 | 5038787.25 |
n÷5 | 4031029.8 |
Exponentiation
nyn2 | 406230031212201 |
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n3 | 8.1876268073566E+21 |
n4 | 1.6502283825867E+29 |
n5 | 3.3260598935063E+36 |
Nth Root
y√n2√n | 4489.4486298431 |
---|---|
3√n | 272.14185309143 |
4√n | 67.003347900259 |
5√n | 28.898626540605 |
Divisors of 20155149
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20155148 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20155149 can be divided by 48 positive divisors. The sum of these divisors (counting 20155149) is 1, the average is 0.020833333333333.
Base conversion 20155149
Base | System | Value |
---|---|---|
2 | Binary | 1001100111000101100001101 |
3 | Ternary | 1101220222200000 |
4 | Quaternary | 1030320230031 |
5 | Quinary | 20124431044 |
6 | Senary | 1555554513 |
8 | Octal | 114705415 |
10 | Decimal | 20155149 |
12 | Duodecimal | 68bba39 |
16 | Hexadecimal | 1338b0d |
20 | Vigesimal | 65j7h9 |
36 | Base36 | bzzt9 |
Cryptographic Hash Functions
md5 | 6be9565e7f3ffaecf1b13324d7916163 |
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sha1 | 628e4dc5dbb26b67813e81ed1247ba016ef62b97 |
sha256 | 09d9b3c4f4c776e14b6250498969d0fb51d61a71586608cf68d363d78f26e45d |
sha512 | fb4fbcde3760bdddb5dd411f8fdef7bd48ac7476ee4f61964768e9aaf694383aca66deae75fde32596d9ecdea4541ba1cdcb34500089516392e26af07eccae19 |
ripemd-160 | 902e346be0bdc6ad573b15bd5f12af1e5af0e31b |
20155149 as geometric shapes
Circle
Radius = nDiameter | 40310298 |
---|---|
Circumference | 126638536.06082 |
Area | 1.2762092817238E+15 |
Sphere
Radius = nVolume | 3.4296250971102E+22 |
---|---|
Surface area | 5.1048371268952E+15 |
Circumference | 126638536.06082 |
Square
Length = nPerimeter | 80620596 |
---|---|
Area | 406230031212201 |
Diagonal | 28503685.067451 |
Cube
Length = nSurface area | 2437380187273206 |
---|---|
Volume | 8.1876268073566E+21 |
Space diagonal | 34909742.102121 |
Equilateral Triangle
Length = nPerimeter | 60465447 |
---|---|
Area | 1.7590276340496E+14 |
Altitude | 17454871.051061 |
Triangular Pyramid
Length = nSurface area | 1.7590276340496E+14 |
---|---|
Volume | 9.6492107288443E+20 |
Height | 9501228.3558168 |