28379904 (number)
28379904 is an even 8-digits composite number following 28379903 and preceding 28379905. In scientific notation, it is written as 2.8379904 × 10^7. The sum of its digits is 42. It has a total of 11 prime factors and 72 positive divisors. There are 8107008 positive integers (up to 28379904) that are relatively prime to 28379904.
Interesting facts
- 28379904 has 72 divisors, whose sum is 86338560
- The reverse of 28379904 is 40997382
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
Name | twenty-eight million three hundred seventy-nine thousand nine hundred four |
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Notation
Scientific notation | 2.8379904 × 10^7 |
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Engineering notation | 2.8379904 × 10^6 |
Prime Factorization of 28379904
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 5279
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 11 | Total number of prime factors |
rad | Radical | 221718 | Product of the distinct prime numbers |
The prime factorization of 28379904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 5279. Since it has a total of 11 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28379904)
Multiplication
n×yn×2 | 56759808 |
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n×3 | 85139712 |
n×4 | 113519616 |
n×5 | 141899520 |
Division
n÷yn÷2 | 14189952 |
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n÷3 | 9459968 |
n÷3 | 7094976 |
n÷5 | 5675980.8 |
Exponentiation
nyn2 | 805418951049216 |
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n3 | 2.2857712510557E+22 |
n4 | 6.4869968670922E+29 |
n5 | 1.8410034833638E+37 |
Nth Root
y√n2√n | 5327.2792305266 |
---|---|
3√n | 305.0260803641 |
4√n | 72.988212956111 |
5√n | 30.945833490477 |
Divisors of 28379904
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 | -28379903 | 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 28379904 can be divided by 72 positive divisors. The sum of these divisors (counting 28379904) is 1, the average is 0.013888888888889.
Base conversion 28379904
Base | System | Value |
---|---|---|
2 | Binary | 1101100010000101100000000 |
3 | Ternary | 1222101211220120 |
4 | Quaternary | 1230100230000 |
5 | Quinary | 24231124104 |
6 | Senary | 2452140240 |
8 | Octal | 154205400 |
10 | Decimal | 28379904 |
12 | Duodecimal | 9607680 |
16 | Hexadecimal | 1b10b00 |
20 | Vigesimal | 8h79f4 |
36 | Base36 | gwa2o |
Cryptographic Hash Functions
md5 | cf80e21fbac4ceb78985c1f595e6e433 |
---|---|
sha1 | a29a6874d14becf3b31bad70895594a1006c9338 |
sha256 | c3eb8b6515c32cc92d63f9e9be8836b37ccd33001681b7116454166cde1f8b0b |
sha512 | d6b47fcdd0920893eea42120bf93dbbca05311dd1ae1727e8bfc6ae1ab0e009fee5512f3765f049e29ca3d00a75f9ab74040586aa865de7ca9e3635ad69d8a7b |
ripemd-160 | 8f4c1f733ff335e0521cbef543b00fe326749eb7 |
28379904 as geometric shapes
Circle
Radius = nDiameter | 56759808 |
---|---|
Circumference | 178316195.83197 |
Area | 2.5302982596782E+15 |
Sphere
Radius = nVolume | 9.5746162268046E+22 |
---|---|
Surface area | 1.0121193038713E+16 |
Circumference | 178316195.83197 |
Square
Length = nPerimeter | 113519616 |
---|---|
Area | 805418951049216 |
Diagonal | 40135245.135646 |
Cube
Length = nSurface area | 4832513706295296 |
---|---|
Volume | 2.2857712510557E+22 |
Space diagonal | 49155435.641927 |
Equilateral Triangle
Length = nPerimeter | 85139712 |
---|---|
Area | 3.4875663614902E+14 |
Altitude | 24577717.820964 |
Triangular Pyramid
Length = nSurface area | 3.4875663614902E+14 |
---|---|
Volume | 2.6938072531046E+21 |
Height | 13378415.045215 |