21694428 (number)
21694428 is an even 8-digits composite number following 21694427 and preceding 21694429. In scientific notation, it is written as 2.1694428 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 5588352 positive integers (up to 21694428) that are relatively prime to 21694428.
Interesting facts
- 21694428 has 72 divisors, whose sum is 63135072
- The reverse of 21694428 is 82449612
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty-one million six hundred ninety-four thousand four hundred twenty-eight |
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Notation
Scientific notation | 2.1694428 × 10^7 |
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Engineering notation | 2.1694428 × 10^6 |
Prime Factorization of 21694428
Prime Factorization 2 × 2 × 3 × 3 × 437 × 7 × 197
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3615738 | Product of the distinct prime numbers |
The prime factorization of 21694428 is 2 × 2 × 3 × 3 × 437 × 7 × 197. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21694428)
Multiplication
n×yn×2 | 43388856 |
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n×3 | 65083284 |
n×4 | 86777712 |
n×5 | 108472140 |
Division
n÷yn÷2 | 10847214 |
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n÷3 | 7231476 |
n÷3 | 5423607 |
n÷5 | 4338885.6 |
Exponentiation
nyn2 | 470648206247184 |
---|---|
n3 | 1.0210443623759E+22 |
n4 | 2.2150973404369E+29 |
n5 | 4.80552697651E+36 |
Nth Root
y√n2√n | 4657.7277722082 |
---|---|
3√n | 278.90056964869 |
4√n | 68.24754773769 |
5√n | 29.327135164394 |
Divisors of 21694428
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21694427 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21694428 can be divided by 72 positive divisors. The sum of these divisors (counting 21694428) is 1, the average is 0.013888888888889.
Base conversion 21694428
Base | System | Value |
---|---|---|
2 | Binary | 1010010110000011111011100 |
3 | Ternary | 1111211012011100 |
4 | Quaternary | 1102300133130 |
5 | Quinary | 21023210203 |
6 | Senary | 2052553100 |
8 | Octal | 122603734 |
10 | Decimal | 21694428 |
12 | Duodecimal | 7322790 |
16 | Hexadecimal | 14b07dc |
20 | Vigesimal | 6fbg18 |
36 | Base36 | cwzj0 |
Cryptographic Hash Functions
md5 | 38d3b99bf65e31812f5795ff84026a9f |
---|---|
sha1 | 81ea6f7e2fa4695372d24d128746f426e2f44488 |
sha256 | c2f63ee5c62fddeac88beaca551e3ffed5cf6d29b6468bf279486d41ad9bfae0 |
sha512 | 409eb5458f7831dcad52d196f0e91c49476ba8f2777bbaa4905a4134b72afea5f09f20addc2ce3af4c1e2360ee0ecf3a1079c697f4f321374da87f8c541a5084 |
ripemd-160 | da081929e97457776c5b65591e2f786a319865c3 |
21694428 as geometric shapes
Circle
Radius = nDiameter | 43388856 |
---|---|
Circumference | 136310111.25727 |
Area | 1.4785849471714E+15 |
Sphere
Radius = nVolume | 4.2769406237724E+22 |
---|---|
Surface area | 5.9143397886855E+15 |
Circumference | 136310111.25727 |
Square
Length = nPerimeter | 86777712 |
---|---|
Area | 470648206247184 |
Diagonal | 30680554.305527 |
Cube
Length = nSurface area | 2823889237483104 |
---|---|
Volume | 1.0210443623759E+22 |
Space diagonal | 37575851.537145 |
Equilateral Triangle
Length = nPerimeter | 65083284 |
---|---|
Area | 2.0379665142782E+14 |
Altitude | 18787925.768572 |
Triangular Pyramid
Length = nSurface area | 2.0379665142782E+14 |
---|---|
Volume | 1.2033123208805E+21 |
Height | 10226851.435176 |