21091356 (number)
21091356 is an even 8-digits composite number following 21091355 and preceding 21091357. In scientific notation, it is written as 2.1091356 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5529600 positive integers (up to 21091356) that are relatively prime to 21091356.
Interesting facts
- 21091356 has 48 divisors, whose sum is 42688800
- The reverse of 21091356 is 65319012
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million ninety-one thousand three hundred fifty-six |
---|
Notation
Scientific notation | 2.1091356 × 10^7 |
---|---|
Engineering notation | 2.1091356 × 10^6 |
Prime Factorization of 21091356
Prime Factorization 2 × 2 × 99 × 17 × 13 × 241
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10545678 | Product of the distinct prime numbers |
The prime factorization of 21091356 is 2 × 2 × 99 × 17 × 13 × 241. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21091356)
Multiplication
n×yn×2 | 42182712 |
---|---|
n×3 | 63274068 |
n×4 | 84365424 |
n×5 | 105456780 |
Division
n÷yn÷2 | 10545678 |
---|---|
n÷3 | 7030452 |
n÷3 | 5272839 |
n÷5 | 4218271.2 |
Exponentiation
nyn2 | 444845297918736 |
---|---|
n3 | 9.3823905433301E+21 |
n4 | 1.9788733908041E+29 |
n5 | 4.1737123164376E+36 |
Nth Root
y√n2√n | 4592.5326346146 |
---|---|
3√n | 276.29190917719 |
4√n | 67.768227323832 |
5√n | 29.162241385327 |
Divisors of 21091356
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 | -21091355 | 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 21091356 can be divided by 48 positive divisors. The sum of these divisors (counting 21091356) is 1, the average is 0.020833333333333.
Base conversion 21091356
Base | System | Value |
---|---|---|
2 | Binary | 1010000011101010000011100 |
3 | Ternary | 1110200112220100 |
4 | Quaternary | 1100131100130 |
5 | Quinary | 20344410411 |
6 | Senary | 2032021100 |
8 | Octal | 120352034 |
10 | Decimal | 21091356 |
12 | Duodecimal | 7091790 |
16 | Hexadecimal | 141d41c |
20 | Vigesimal | 6bg87g |
36 | Base36 | ck270 |
Cryptographic Hash Functions
md5 | 1ebe1328ce82ea6e8b3c84c281c67d81 |
---|---|
sha1 | d0549721b408c8f7b77a68509c48664196afd382 |
sha256 | 4e23f8804f24ee45d3c110f91d8ccfcf4017a5a3af944985906bfe45de3cc6f1 |
sha512 | 7432e6b5e13de2a21b292470b78bd1ea64beed99d75d78300818b47ec8bc9f7fd82deae6f2f5fb700a1d250583a10bc9d2568d388a97b49a8b9569645b9ebad5 |
ripemd-160 | 02b022bf0c815854566d73d1d5631e2c63572220 |
21091356 as geometric shapes
Circle
Radius = nDiameter | 42182712 |
---|---|
Circumference | 132520898.12769 |
Area | 1.3975227199255E+15 |
Sphere
Radius = nVolume | 3.9300865605382E+22 |
---|---|
Surface area | 5.5900908797019E+15 |
Circumference | 132520898.12769 |
Square
Length = nPerimeter | 84365424 |
---|---|
Area | 444845297918736 |
Diagonal | 29827681.704039 |
Cube
Length = nSurface area | 2669071787512416 |
---|---|
Volume | 9.3823905433301E+21 |
Space diagonal | 36531300.192523 |
Equilateral Triangle
Length = nPerimeter | 63274068 |
---|---|
Area | 1.9262366437584E+14 |
Altitude | 18265650.096261 |
Triangular Pyramid
Length = nSurface area | 1.9262366437584E+14 |
---|---|
Volume | 1.1057253294882E+21 |
Height | 9942560.5680131 |