21353668 (number)
21353668 is an even 8-digits composite number following 21353667 and preceding 21353669. In scientific notation, it is written as 2.1353668 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 48 positive divisors. There are 8709120 positive integers (up to 21353668) that are relatively prime to 21353668.
Interesting facts
- 21353668 has 48 divisors, whose sum is 44821504
- The reverse of 21353668 is 86635312
- Previous prime number is 337
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 34
- Digital Root 7
Name
Name | twenty-one million three hundred fifty-three thousand six hundred sixty-eight |
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Notation
Scientific notation | 2.1353668 × 10^7 |
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Engineering notation | 2.1353668 × 10^6 |
Prime Factorization of 21353668
Prime Factorization 2 × 2 × 7 × 31 × 337 × 73
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10676834 | Product of the distinct prime numbers |
The prime factorization of 21353668 is 2 × 2 × 7 × 31 × 337 × 73. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21353668)
Multiplication
n×yn×2 | 42707336 |
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n×3 | 64061004 |
n×4 | 85414672 |
n×5 | 106768340 |
Division
n÷yn÷2 | 10676834 |
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n÷3 | 7117889.3333333 |
n÷3 | 5338417 |
n÷5 | 4270733.6 |
Exponentiation
nyn2 | 455979137054224 |
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n3 | 9.7368271075824E+21 |
n4 | 2.0791697342871E+29 |
n5 | 4.4397900221616E+36 |
Nth Root
y√n2√n | 4621.0029214447 |
---|---|
3√n | 277.4326021966 |
4√n | 67.977959085608 |
5√n | 29.234421024233 |
Divisors of 21353668
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 | -21353667 | 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 21353668 can be divided by 48 positive divisors. The sum of these divisors (counting 21353668) is 1, the average is 0.020833333333333.
Base conversion 21353668
Base | System | Value |
---|---|---|
2 | Binary | 1010001011101010011000100 |
3 | Ternary | 1111011212201121 |
4 | Quaternary | 1101131103010 |
5 | Quinary | 20431304133 |
6 | Senary | 2041403324 |
8 | Octal | 121352304 |
10 | Decimal | 21353668 |
12 | Duodecimal | 7199544 |
16 | Hexadecimal | 145d4c4 |
20 | Vigesimal | 6d9438 |
36 | Base36 | cpolg |
Cryptographic Hash Functions
md5 | 45ad2d3d1eb6df7fb8f09c34426baca7 |
---|---|
sha1 | b1269f5b7e75e392932f8fd41812a1ca759becfa |
sha256 | 2be01b72485a9f2f5e4beca2b46ecb905d1747ce1a674a8d0ece1c7b3aaf690f |
sha512 | ddbeb19e652e5c10224a3b469fe19f4a8ebfae931eab965a95203e2a4cbda19d2acbf72995a6efb8758f5fe91a8582996ee1f224feef5568d1a34bd894c395c7 |
ripemd-160 | 097834459ee3a6e1feeb4dd5393c8de7d1e50bda |
21353668 as geometric shapes
Circle
Radius = nDiameter | 42707336 |
---|---|
Circumference | 134169053.03199 |
Area | 1.4325007071598E+15 |
Sphere
Radius = nVolume | 4.078552601394E+22 |
---|---|
Surface area | 5.7300028286391E+15 |
Circumference | 134169053.03199 |
Square
Length = nPerimeter | 85414672 |
---|---|
Area | 455979137054224 |
Diagonal | 30198646.892012 |
Cube
Length = nSurface area | 2735874822325344 |
---|---|
Volume | 9.7368271075824E+21 |
Space diagonal | 36985637.903958 |
Equilateral Triangle
Length = nPerimeter | 64061004 |
---|---|
Area | 1.9744475814233E+14 |
Altitude | 18492818.951979 |
Triangular Pyramid
Length = nSurface area | 1.9744475814233E+14 |
---|---|
Volume | 1.1474960791688E+21 |
Height | 10066215.630671 |