21031980 (number)
21031980 is an even 8-digits composite number following 21031979 and preceding 21031981. In scientific notation, it is written as 2.1031980 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5572288 positive integers (up to 21031980) that are relatively prime to 21031980.
Interesting facts
- 21031980 has 48 divisors, whose sum is 59270400
- The reverse of 21031980 is 08913012
- Previous prime number is 167
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million thirty-one thousand nine hundred eighty |
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Notation
Scientific notation | 2.1031980 × 10^7 |
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Engineering notation | 2.1031980 × 10^6 |
Prime Factorization of 21031980
Prime Factorization 2 × 2 × 3 × 5 × 167 × 2099
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10515990 | Product of the distinct prime numbers |
The prime factorization of 21031980 is 2 × 2 × 3 × 5 × 167 × 2099. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031980)
Multiplication
n×yn×2 | 42063960 |
---|---|
n×3 | 63095940 |
n×4 | 84127920 |
n×5 | 105159900 |
Division
n÷yn÷2 | 10515990 |
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n÷3 | 7010660 |
n÷3 | 5257995 |
n÷5 | 4206396 |
Exponentiation
nyn2 | 442344182720400 |
---|---|
n3 | 9.3033740040918E+21 |
n4 | 1.9566837598658E+29 |
n5 | 4.1152933703822E+36 |
Nth Root
y√n2√n | 4586.0636716034 |
---|---|
3√n | 276.03239485333 |
4√n | 67.720481920933 |
5√n | 29.145803462784 |
Divisors of 21031980
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 | -21031979 | 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 21031980 can be divided by 48 positive divisors. The sum of these divisors (counting 21031980) is 1, the average is 0.020833333333333.
Base conversion 21031980
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110110000101100 |
3 | Ternary | 1110120112110020 |
4 | Quaternary | 1100032300230 |
5 | Quinary | 20341010410 |
6 | Senary | 2030442140 |
8 | Octal | 120166054 |
10 | Decimal | 21031980 |
12 | Duodecimal | 7063350 |
16 | Hexadecimal | 140ec2c |
20 | Vigesimal | 6b8jj0 |
36 | Base36 | cisdo |
Cryptographic Hash Functions
md5 | 354a5f90d11811061bcd9ca998e53508 |
---|---|
sha1 | 08e3fb2d24e82eb7a79016f3b28d11c9d22682f5 |
sha256 | 915d6c3d2681d7ff0d8b90fedc1dd71cb6baaad8449c06b38f4f2ff2e141ec51 |
sha512 | e484e89f9e363257459ea89d6654530198f3d656a9d3991bae1a451d8dcbe94d412b08c01567e4be7f1947d2bea764d4ea6a42c4c8e35405fb43b9e879bb81c3 |
ripemd-160 | a04870b899f4752152512cd1111243e036b83792 |
21031980 as geometric shapes
Circle
Radius = nDiameter | 42063960 |
---|---|
Circumference | 132147827.71689 |
Area | 1.3896652347926E+15 |
Sphere
Radius = nVolume | 3.8969881899804E+22 |
---|---|
Surface area | 5.5586609391704E+15 |
Circumference | 132147827.71689 |
Square
Length = nPerimeter | 84127920 |
---|---|
Area | 442344182720400 |
Diagonal | 29743711.35956 |
Cube
Length = nSurface area | 2654065096322400 |
---|---|
Volume | 9.3033740040918E+21 |
Space diagonal | 36428457.943772 |
Equilateral Triangle
Length = nPerimeter | 63095940 |
---|---|
Area | 1.9154064972607E+14 |
Altitude | 18214228.971886 |
Triangular Pyramid
Length = nSurface area | 1.9154064972607E+14 |
---|---|
Volume | 1.0964131410347E+21 |
Height | 9914570.4531866 |