15221208 (number)
15221208 is an even 8-digits composite number following 15221207 and preceding 15221209. In scientific notation, it is written as 1.5221208 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 64 positive divisors. There are 4838400 positive integers (up to 15221208) that are relatively prime to 15221208.
Interesting facts
- 15221208 has 64 divisors, whose sum is 39863520
- The reverse of 15221208 is 80212251
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | fifteen million two hundred twenty-one thousand two hundred eight |
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Notation
Scientific notation | 1.5221208 × 10^7 |
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Engineering notation | 1.5221208 × 10^6 |
Prime Factorization of 15221208
Prime Factorization 2 × 2 × 2 × 3 × 37 × 61 × 281
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3805302 | Product of the distinct prime numbers |
The prime factorization of 15221208 is 2 × 2 × 2 × 3 × 37 × 61 × 281. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 15221208)
Multiplication
n×yn×2 | 30442416 |
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n×3 | 45663624 |
n×4 | 60884832 |
n×5 | 76106040 |
Division
n÷yn÷2 | 7610604 |
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n÷3 | 5073736 |
n÷3 | 3805302 |
n÷5 | 3044241.6 |
Exponentiation
nyn2 | 231685172979264 |
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n3 | 3.5265282084334E+21 |
n4 | 5.3678019378431E+28 |
n5 | 8.1704429798714E+35 |
Nth Root
y√n2√n | 3901.4366584631 |
---|---|
3√n | 247.82762041151 |
4√n | 62.461481398244 |
5√n | 27.320574288753 |
Divisors of 15221208
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -15221207 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 15221208 can be divided by 64 positive divisors. The sum of these divisors (counting 15221208) is 1, the average is 0.015625.
Base conversion 15221208
Base | System | Value |
---|---|---|
2 | Binary | 111010000100000111011000 |
3 | Ternary | 1001122022120110 |
4 | Quaternary | 322010013120 |
5 | Quinary | 12344034313 |
6 | Senary | 1302124320 |
8 | Octal | 72040730 |
10 | Decimal | 15221208 |
12 | Duodecimal | 51206a0 |
16 | Hexadecimal | e841d8 |
20 | Vigesimal | 4f2d08 |
36 | Base36 | 928rc |
Cryptographic Hash Functions
md5 | a7d6b5c6e6d21103a1e613793583a802 |
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sha1 | 3ade7bb63e872f816d95de183879c91be1396c5d |
sha256 | 9fe57d3d2f2870717783492e7e34687f3041a9a074a91b5bb5a8e09bd906e43a |
sha512 | 4d294febdee3eff26b62ed4fffe7f22b6efdada9c53d83bd5b91c86a6fa20f0d79463f825da2303ea4a266536e7bb6bb9812ebc2691ddf2858725e648f19db65 |
ripemd-160 | 9f1627b9fc67474a4a087aaca5633d3da35a99da |
15221208 as geometric shapes
Circle
Radius = nDiameter | 30442416 |
---|---|
Circumference | 95637670.463124 |
Area | 7.2786043737734E+14 |
Sphere
Radius = nVolume | 1.4771886816389E+22 |
---|---|
Surface area | 2.9114417495093E+15 |
Circumference | 95637670.463124 |
Square
Length = nPerimeter | 60884832 |
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Area | 231685172979264 |
Diagonal | 21526038.789302 |
Cube
Length = nSurface area | 1390111037875584 |
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Volume | 3.5265282084334E+21 |
Space diagonal | 26363905.608574 |
Equilateral Triangle
Length = nPerimeter | 45663624 |
---|---|
Area | 1.0032262274012E+14 |
Altitude | 13181952.804287 |
Triangular Pyramid
Length = nSurface area | 1.0032262274012E+14 |
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Volume | 4.1560533503815E+20 |
Height | 7175346.2631006 |