20646540 (number)
20646540 is an even 8-digits composite number following 20646539 and preceding 20646541. In scientific notation, it is written as 2.0646540 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5215104 positive integers (up to 20646540) that are relatively prime to 20646540.
Interesting facts
- 20646540 has 48 divisors, whose sum is 50719200
- The reverse of 20646540 is 04564602
- 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 six hundred forty-six thousand five hundred forty |
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Notation
Scientific notation | 2.0646540 × 10^7 |
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Engineering notation | 2.0646540 × 10^6 |
Prime Factorization of 20646540
Prime Factorization 2 × 2 × 9 × 5 × 19 × 6037
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10323270 | Product of the distinct prime numbers |
The prime factorization of 20646540 is 2 × 2 × 9 × 5 × 19 × 6037. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20646540)
Multiplication
n×yn×2 | 41293080 |
---|---|
n×3 | 61939620 |
n×4 | 82586160 |
n×5 | 103232700 |
Division
n÷yn÷2 | 10323270 |
---|---|
n÷3 | 6882180 |
n÷3 | 5161635 |
n÷5 | 4129308 |
Exponentiation
nyn2 | 426279613971600 |
---|---|
n3 | 8.8011991010492E+21 |
n4 | 1.8171430928778E+29 |
n5 | 3.7517717552824E+36 |
Nth Root
y√n2√n | 4543.8463882486 |
---|---|
3√n | 274.33576328142 |
4√n | 67.408058778225 |
5√n | 29.038184238248 |
Divisors of 20646540
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 | -20646539 | 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 20646540 can be divided by 48 positive divisors. The sum of these divisors (counting 20646540) is 1, the average is 0.020833333333333.
Base conversion 20646540
Base | System | Value |
---|---|---|
2 | Binary | 1001110110000101010001100 |
3 | Ternary | 1102211221201200 |
4 | Quaternary | 1032300222030 |
5 | Quinary | 20241142130 |
6 | Senary | 2014305500 |
8 | Octal | 116605214 |
10 | Decimal | 20646540 |
12 | Duodecimal | 6ab8290 |
16 | Hexadecimal | 13b0a8c |
20 | Vigesimal | 690g70 |
36 | Base36 | caiz0 |
Cryptographic Hash Functions
md5 | b049bbc25afbae5777e6e83204a113f9 |
---|---|
sha1 | 3639349a868a85c8d89ea5b555228aa1409fb2c7 |
sha256 | f0d776ac6ec62674f6f17bd7b58699e670e8159b8026f236275becd55fae95ef |
sha512 | 1e04ede658c98bc083d5bdb4a763cac9b87bd0b5d38fd0c1c5ea35dd5f5222b8b6f0a3fdbf2678aa8c889073e46e68e4ca1101d530e6bdb0dc60517be5b065df |
ripemd-160 | 43b3bdd22751adda5bda5e59b51d99e41f45461a |
20646540 as geometric shapes
Circle
Radius = nDiameter | 41293080 |
---|---|
Circumference | 129726036.7721 |
Area | 1.3391969036283E+15 |
Sphere
Radius = nVolume | 3.686637658485E+22 |
---|---|
Surface area | 5.3567876145131E+15 |
Circumference | 129726036.7721 |
Square
Length = nPerimeter | 82586160 |
---|---|
Area | 426279613971600 |
Diagonal | 29198616.884079 |
Cube
Length = nSurface area | 2557677683829600 |
---|---|
Volume | 8.8011991010492E+21 |
Space diagonal | 35760856.280503 |
Equilateral Triangle
Length = nPerimeter | 61939620 |
---|---|
Area | 1.8458448740741E+14 |
Altitude | 17880428.140252 |
Triangular Pyramid
Length = nSurface area | 1.8458448740741E+14 |
---|---|
Volume | 1.0372312611541E+21 |
Height | 9732872.2946929 |