21342640 (number)
21342640 is an even 8-digits composite number following 21342639 and preceding 21342641. In scientific notation, it is written as 2.1342640 × 10^7. The sum of its digits is 22. It has a total of 8 prime factors and 80 positive divisors. There are 7637760 positive integers (up to 21342640) that are relatively prime to 21342640.
Interesting facts
- 21342640 has 80 divisors, whose sum is 54996480
- The reverse of 21342640 is 04624312
- Previous prime number is 79
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
Name | twenty-one million three hundred forty-two thousand six hundred forty |
---|
Notation
Scientific notation | 2.1342640 × 10^7 |
---|---|
Engineering notation | 2.1342640 × 10^6 |
Prime Factorization of 21342640
Prime Factorization 2 × 2 × 2 × 2 × 11 × 5 × 79 × 307
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2667830 | Product of the distinct prime numbers |
The prime factorization of 21342640 is 2 × 2 × 2 × 2 × 11 × 5 × 79 × 307. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21342640)
Multiplication
n×yn×2 | 42685280 |
---|---|
n×3 | 64027920 |
n×4 | 85370560 |
n×5 | 106713200 |
Division
n÷yn÷2 | 10671320 |
---|---|
n÷3 | 7114213.3333333 |
n÷3 | 5335660 |
n÷5 | 4268528 |
Exponentiation
nyn2 | 455508282169600 |
---|---|
n3 | 9.7217492833642E+21 |
n4 | 2.074877951251E+29 |
n5 | 4.4283373157488E+36 |
Nth Root
y√n2√n | 4619.8095198828 |
---|---|
3√n | 277.38483439107 |
4√n | 67.969180662141 |
5√n | 29.231400804795 |
Divisors of 21342640
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21342639 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21342640 can be divided by 80 positive divisors. The sum of these divisors (counting 21342640) is 1, the average is 0.0125.
Base conversion 21342640
Base | System | Value |
---|---|---|
2 | Binary | 1010001011010100110110000 |
3 | Ternary | 1111011022121011 |
4 | Quaternary | 1101122212300 |
5 | Quinary | 20430431030 |
6 | Senary | 2041240304 |
8 | Octal | 121324660 |
10 | Decimal | 21342640 |
12 | Duodecimal | 7193094 |
16 | Hexadecimal | 145a9b0 |
20 | Vigesimal | 6d7gc0 |
36 | Base36 | cpg34 |
Cryptographic Hash Functions
md5 | e716c3c6c91f2ecfdd1d38683ea1975b |
---|---|
sha1 | e3c97d44c388efd4076368f6631360b5e4937d01 |
sha256 | 64fcf822477eeae192224a5a4c2438a9f27eaedc4fba4405c2d7f41e1b1505dd |
sha512 | f53c3b7feb2549054602688fefe5336463c7d3ca66c9e84232f41f493275bda39b2b03d683fd654b90932cb7f54d61dab12d44460976adc89a418e714b345c12 |
ripemd-160 | 18ce33115304fc14601639ccbc97c37b2f970a7d |
21342640 as geometric shapes
Circle
Radius = nDiameter | 42685280 |
---|---|
Circumference | 134099762.06442 |
Area | 1.4310214729133E+15 |
Sphere
Radius = nVolume | 4.0722368171545E+22 |
---|---|
Surface area | 5.7240858916533E+15 |
Circumference | 134099762.06442 |
Square
Length = nPerimeter | 85370560 |
---|---|
Area | 455508282169600 |
Diagonal | 30183050.944847 |
Cube
Length = nSurface area | 2733049693017600 |
---|---|
Volume | 9.7217492833642E+21 |
Space diagonal | 36966536.847652 |
Equilateral Triangle
Length = nPerimeter | 64027920 |
---|---|
Area | 1.9724087199654E+14 |
Altitude | 18483268.423826 |
Triangular Pyramid
Length = nSurface area | 1.9724087199654E+14 |
---|---|
Volume | 1.1457191405437E+21 |
Height | 10061016.981616 |