68388900 (number)
68388900 is an even 8-digits composite number following 68388899 and preceding 68388901. In scientific notation, it is written as 6.8388900 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 48 positive divisors. There are 18153600 positive integers (up to 68388900) that are relatively prime to 68388900.
Interesting facts
- 68388900 has 48 divisors, whose sum is 153893376
- The reverse of 68388900 is 00988386
- Previous prime number is 733
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
Name | sixty-eight million three hundred eighty-eight thousand nine hundred |
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Notation
Scientific notation | 6.8388900 × 10^7 |
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Engineering notation | 6.8388900 × 10^6 |
Prime Factorization of 68388900
Prime Factorization 2 × 2 × 15 × 5 × 733 × 311
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 34194450 | Product of the distinct prime numbers |
The prime factorization of 68388900 is 2 × 2 × 15 × 5 × 733 × 311. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 68388900)
Multiplication
n×yn×2 | 136777800 |
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n×3 | 205166700 |
n×4 | 273555600 |
n×5 | 341944500 |
Division
n÷yn÷2 | 34194450 |
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n÷3 | 22796300 |
n÷3 | 17097225 |
n÷5 | 13677780 |
Exponentiation
nyn2 | 4677041643210000 |
---|---|
n3 | 3.1985773323332E+23 |
n4 | 2.187471853232E+31 |
n5 | 1.495987938235E+39 |
Nth Root
y√n2√n | 8269.7581584953 |
---|---|
3√n | 408.94214703297 |
4√n | 90.93821066249 |
5√n | 36.8975154848 |
Divisors of 68388900
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 | -68388899 | 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 68388900 can be divided by 48 positive divisors. The sum of these divisors (counting 68388900) is 1, the average is 0.020833333333333.
Base conversion 68388900
Base | System | Value |
---|---|---|
2 | Binary | 100000100111000100000100100 |
3 | Ternary | 11202200111221020 |
4 | Quaternary | 10010320200210 |
5 | Quinary | 120001421100 |
6 | Senary | 10441451140 |
8 | Octal | 404704044 |
10 | Decimal | 68388900 |
12 | Duodecimal | 1aaa0ab0 |
16 | Hexadecimal | 4138824 |
20 | Vigesimal | 1178c50 |
36 | Base36 | 14pt7o |
Cryptographic Hash Functions
md5 | 4e09da1446f9d69788cc34d4a62cdcbb |
---|---|
sha1 | d79c0663e701d004f76f2ac35e0bb01aede455d4 |
sha256 | 02a16ea18830205fb350aeeefc59d168746b76cc8ef7750a781512c0676e10d5 |
sha512 | a39507b0fd838318081a760c84a5f29d7d45eca7872aa7026d39a51edb4007aab1dc36d36c670d4917954b30cab635ce7cf32b7a5574808f423db6164d978f18 |
ripemd-160 | 924b50b280129d7bb67077b223871f1eac4e56b6 |
68388900 as geometric shapes
Circle
Radius = nDiameter | 136777800 |
---|---|
Circumference | 429700131.65417 |
Area | 1.4693359666842E+16 |
Sphere
Radius = nVolume | 1.3398169398929E+24 |
---|---|
Surface area | 5.8773438667368E+16 |
Circumference | 429700131.65417 |
Square
Length = nPerimeter | 273555600 |
---|---|
Area | 4677041643210000 |
Diagonal | 96716509.895777 |
Cube
Length = nSurface area | 28062249859260000 |
---|---|
Volume | 3.1985773323332E+23 |
Space diagonal | 118453049.47375 |
Equilateral Triangle
Length = nPerimeter | 205166700 |
---|---|
Area | 2.0252184387888E+15 |
Altitude | 59226524.736874 |
Triangular Pyramid
Length = nSurface area | 2.0252184387888E+15 |
---|---|
Volume | 3.769559536404E+22 |
Height | 32238836.631926 |