21089904 (number)
21089904 is an even 8-digits composite number following 21089903 and preceding 21089905. In scientific notation, it is written as 2.1089904 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 6273280 positive integers (up to 21089904) that are relatively prime to 21089904.
Interesting facts
- 21089904 has 80 divisors, whose sum is 60531840
- The reverse of 21089904 is 40998012
- Previous prime number is 59
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty-one million eighty-nine thousand nine hundred four |
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Notation
Scientific notation | 2.1089904 × 10^7 |
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Engineering notation | 2.1089904 × 10^6 |
Prime Factorization of 21089904
Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 59 × 677
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2636238 | Product of the distinct prime numbers |
The prime factorization of 21089904 is 2 × 2 × 2 × 2 × 3 × 11 × 59 × 677. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21089904)
Multiplication
n×yn×2 | 42179808 |
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n×3 | 63269712 |
n×4 | 84359616 |
n×5 | 105449520 |
Division
n÷yn÷2 | 10544952 |
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n÷3 | 7029968 |
n÷3 | 5272476 |
n÷5 | 4217980.8 |
Exponentiation
nyn2 | 444784050729216 |
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n3 | 9.3804529306103E+21 |
n4 | 1.9783285178309E+29 |
n5 | 4.1722758521516E+36 |
Nth Root
y√n2√n | 4592.3745491848 |
---|---|
3√n | 276.28556874309 |
4√n | 67.767060945453 |
5√n | 29.161839848882 |
Divisors of 21089904
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 | -21089903 | 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 21089904 can be divided by 80 positive divisors. The sum of these divisors (counting 21089904) is 1, the average is 0.0125.
Base conversion 21089904
Base | System | Value |
---|---|---|
2 | Binary | 1010000011100111001110000 |
3 | Ternary | 1110200110220120 |
4 | Quaternary | 1100130321300 |
5 | Quinary | 20344334104 |
6 | Senary | 2032010240 |
8 | Octal | 120347160 |
10 | Decimal | 21089904 |
12 | Duodecimal | 7090980 |
16 | Hexadecimal | 141ce70 |
20 | Vigesimal | 6bg4f4 |
36 | Base36 | ck12o |
Cryptographic Hash Functions
md5 | ab63e73d5106380b147291941ceee8b0 |
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sha1 | fc5a6740d375e9e249567e8ed1760dd97f79af9b |
sha256 | a3ae66c052a4768905906c37d1fb678298c62487e013926b80e2bfe51d41022e |
sha512 | 7457f84149ed1383f2e743d3e53752929c0b63a6d4f1a8a406dd51dcf649b157a9d8ac81b4d95668cf0464efae90ac71cf6d5a9bead9ee1478acb13ddb4f36c0 |
ripemd-160 | 7cc40916e86de527717cdc51c273ea9708a860c0 |
21089904 as geometric shapes
Circle
Radius = nDiameter | 42179808 |
---|---|
Circumference | 132511774.94263 |
Area | 1.3973303062048E+15 |
Sphere
Radius = nVolume | 3.92927493522E+22 |
---|---|
Surface area | 5.5893212248193E+15 |
Circumference | 132511774.94263 |
Square
Length = nPerimeter | 84359616 |
---|---|
Area | 444784050729216 |
Diagonal | 29825628.265947 |
Cube
Length = nSurface area | 2668704304375296 |
---|---|
Volume | 9.3804529306103E+21 |
Space diagonal | 36528785.25475 |
Equilateral Triangle
Length = nPerimeter | 63269712 |
---|---|
Area | 1.9259714356482E+14 |
Altitude | 18264392.627375 |
Triangular Pyramid
Length = nSurface area | 1.9259714356482E+14 |
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Volume | 1.1054969796393E+21 |
Height | 9941876.0886489 |