68909724 (number)
68909724 is an even 8-digits composite number following 68909723 and preceding 68909725. In scientific notation, it is written as 6.8909724 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 21202560 positive integers (up to 68909724) that are relatively prime to 68909724.
Interesting facts
- 68909724 has 48 divisors, whose sum is 192401440
- The reverse of 68909724 is 42790986
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | sixty-eight million nine hundred nine thousand seven hundred twenty-four |
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Notation
Scientific notation | 6.8909724 × 10^7 |
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Engineering notation | 6.8909724 × 10^6 |
Prime Factorization of 68909724
Prime Factorization 2 × 2 × 9 × 3 × 13 × 49081
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 34454862 | Product of the distinct prime numbers |
The prime factorization of 68909724 is 2 × 2 × 9 × 3 × 13 × 49081. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 68909724)
Multiplication
n×yn×2 | 137819448 |
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n×3 | 206729172 |
n×4 | 275638896 |
n×5 | 344548620 |
Division
n÷yn÷2 | 34454862 |
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n÷3 | 22969908 |
n÷3 | 17227431 |
n÷5 | 13781944.8 |
Exponentiation
nyn2 | 4748550061756176 |
---|---|
n3 | 3.272212741558E+23 |
n4 | 2.2548727689005E+31 |
n5 | 1.5538266016005E+39 |
Nth Root
y√n2√n | 8301.1881077349 |
---|---|
3√n | 409.97763907396 |
4√n | 91.110856146427 |
5√n | 36.953544570154 |
Divisors of 68909724
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 | -68909723 | 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 68909724 can be divided by 48 positive divisors. The sum of these divisors (counting 68909724) is 1, the average is 0.020833333333333.
Base conversion 68909724
Base | System | Value |
---|---|---|
2 | Binary | 100000110110111101010011100 |
3 | Ternary | 11210122222101000 |
4 | Quaternary | 10012313222130 |
5 | Quinary | 120120102344 |
6 | Senary | 10500550300 |
8 | Octal | 406675234 |
10 | Decimal | 68909724 |
12 | Duodecimal | 1b0b2390 |
16 | Hexadecimal | 41b7a9c |
20 | Vigesimal | 11ade64 |
36 | Base36 | 150z30 |
Cryptographic Hash Functions
md5 | f92bef7f04d42fa3eb1c43b1f2d51d90 |
---|---|
sha1 | 10ca6ef20abad96f18fd402b4fad52a8adf64dd1 |
sha256 | 7ed249589a6d3f4c0f9c247b7f7863a8d4b4a0a6a41e926103ac6fc28354c34d |
sha512 | 6cd9124ea8e7e447e2e81cd44f1c4b957dc6b8033bf4e387eb22521829ca5353b9ac1d78a966451fd962f6d698e7ae6c685047ca1a013baeabcd1c55d744074c |
ripemd-160 | 2542ea45705a4a1ee8ce5109ae35f2514d256d50 |
68909724 as geometric shapes
Circle
Radius = nDiameter | 137819448 |
---|---|
Circumference | 432972565.3586 |
Area | 1.4918009989217E+16 |
Sphere
Radius = nVolume | 1.3706612679815E+24 |
---|---|
Surface area | 5.9672039956866E+16 |
Circumference | 432972565.3586 |
Square
Length = nPerimeter | 275638896 |
---|---|
Area | 4748550061756176 |
Diagonal | 97453066.260187 |
Cube
Length = nSurface area | 28491300370537056 |
---|---|
Volume | 3.272212741558E+23 |
Space diagonal | 119355143.10355 |
Equilateral Triangle
Length = nPerimeter | 206729172 |
---|---|
Area | 2.0561824923115E+15 |
Altitude | 59677571.551774 |
Triangular Pyramid
Length = nSurface area | 2.0561824923115E+15 |
---|---|
Volume | 3.8563396984012E+22 |
Height | 32484355.420062 |