20157138 (number)
20157138 is an even 8-digits composite number following 20157137 and preceding 20157139. In scientific notation, it is written as 2.0157138 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5989248 positive integers (up to 20157138) that are relatively prime to 20157138.
Interesting facts
- 20157138 has 48 divisors, whose sum is 48690720
- The reverse of 20157138 is 83175102
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty million one hundred fifty-seven thousand one hundred thirty-eight |
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Notation
Scientific notation | 2.0157138 × 10^7 |
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Engineering notation | 2.0157138 × 10^6 |
Prime Factorization of 20157138
Prime Factorization 2 × 3 × 3 × 17 × 19 × 3467
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 6719046 | Product of the distinct prime numbers |
The prime factorization of 20157138 is 2 × 3 × 3 × 17 × 19 × 3467. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20157138)
Multiplication
n×yn×2 | 40314276 |
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n×3 | 60471414 |
n×4 | 80628552 |
n×5 | 100785690 |
Division
n÷yn÷2 | 10078569 |
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n÷3 | 6719046 |
n÷3 | 5039284.5 |
n÷5 | 4031427.6 |
Exponentiation
nyn2 | 406310212351044 |
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n3 | 8.1900510211693E+21 |
n4 | 1.6508798866075E+29 |
n5 | 3.3277013695772E+36 |
Nth Root
y√n2√n | 4489.6701437856 |
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3√n | 272.15080485426 |
4√n | 67.005000886394 |
5√n | 28.899196887164 |
Divisors of 20157138
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 | -20157137 | 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 20157138 can be divided by 48 positive divisors. The sum of these divisors (counting 20157138) is 1, the average is 0.020833333333333.
Base conversion 20157138
Base | System | Value |
---|---|---|
2 | Binary | 1001100111001001011010010 |
3 | Ternary | 1101221002101200 |
4 | Quaternary | 1030321023102 |
5 | Quinary | 20130012023 |
6 | Senary | 2000012030 |
8 | Octal | 114711322 |
10 | Decimal | 20157138 |
12 | Duodecimal | 6901016 |
16 | Hexadecimal | 13392d2 |
20 | Vigesimal | 65jcgi |
36 | Base36 | c01ci |
Cryptographic Hash Functions
md5 | f370d8c4cc09c0eac18b0ec908e7407f |
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sha1 | acc982ea8c7e4eedfa3ecdfb51b8f8f1369929e9 |
sha256 | ed4aa93342b0d0117290f3b5d6735f605250da9327239116064ba75737375a3a |
sha512 | 7472769aa2462856f3936a2a9d3d563e81107fa954054cd62aa96fd2bb2872b33853552113cbd4943c1874b24f3479ee714f683a4d4855036c80b41392d87a98 |
ripemd-160 | 76bf7d1737c6fda420cca68cc1118406be1c0f6d |
20157138 as geometric shapes
Circle
Radius = nDiameter | 40314276 |
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Circumference | 126651033.31639 |
Area | 1.2764611782005E+15 |
Sphere
Radius = nVolume | 3.4306405494175E+22 |
---|---|
Surface area | 5.1058447128022E+15 |
Circumference | 126651033.31639 |
Square
Length = nPerimeter | 80628552 |
---|---|
Area | 406310212351044 |
Diagonal | 28506497.938226 |
Cube
Length = nSurface area | 2437861274106264 |
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Volume | 8.1900510211693E+21 |
Space diagonal | 34913187.151177 |
Equilateral Triangle
Length = nPerimeter | 60471414 |
---|---|
Area | 1.7593748285653E+14 |
Altitude | 17456593.575589 |
Triangular Pyramid
Length = nSurface area | 1.7593748285653E+14 |
---|---|
Volume | 9.652067692221E+20 |
Height | 9502165.9794087 |