668049690 (number)
668049690 is an even 9-digits composite number following 668049689 and preceding 668049691. In scientific notation, it is written as 6.68049690 × 10^8. The sum of its digits is 48. It has a total of 7 prime factors and 128 positive divisors. There are 127008000 positive integers (up to 668049690) that are relatively prime to 668049690.
Interesting facts
- 668049690 has 128 divisors, whose sum is 1853383680
- The reverse of 668049690 is 096940866
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 48
- Digital Root 3
Name
Name | six hundred sixty-eight million forty-nine thousand six hundred ninety |
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Notation
Scientific notation | 6.68049690 × 10^8 |
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Engineering notation | 6.68049690 × 10^6 |
Prime Factorization of 668049690
Prime Factorization 2 × 3 × 5 × 217 × 11 × 19 × 491
Composite numberω | Distinct Factors | 7 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 668049690 | Product of the distinct prime numbers |
The prime factorization of 668049690 is 2 × 3 × 5 × 217 × 11 × 19 × 491. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 668049690)
Multiplication
n×yn×2 | 1336099380 |
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n×3 | 2004149070 |
n×4 | 2672198760 |
n×5 | 3340248450 |
Division
n÷yn÷2 | 334024845 |
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n÷3 | 222683230 |
n÷3 | 167012422.5 |
n÷5 | 133609938 |
Exponentiation
nyn2 | 446290388309096100 |
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n3 | 2.9814415555987E+26 |
n4 | 1.9917511069708E+35 |
n5 | 1.330588709569E+44 |
Nth Root
y√n2√n | 25846.657230675 |
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3√n | 874.18413856419 |
4√n | 160.76895605394 |
5√n | 58.20519564434 |
Divisors of 668049690
128 divisors
τ | Total Divisors | 128 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -668049689 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 668049690 can be divided by 128 positive divisors. The sum of these divisors (counting 668049690) is 1, the average is 0.0078125.
Base conversion 668049690
Base | System | Value |
---|---|---|
2 | Binary | 100111110100011010000100011010 |
3 | Ternary | 1201120001102220010 |
4 | Quaternary | 213310122010122 |
5 | Quinary | 2332010042230 |
6 | Senary | 150142342350 |
8 | Octal | 4764320432 |
10 | Decimal | 668049690 |
12 | Duodecimal | 16788a9b6 |
16 | Hexadecimal | 27d1a11a |
20 | Vigesimal | a8f644a |
36 | Base36 | b1qmfu |
Cryptographic Hash Functions
md5 | cfcc7694788361245d82715e73ff2303 |
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sha1 | 5186f114bea662b21fca0f419d77cfd55eda2e51 |
sha256 | 3ef805eb3738280ccf55b0329e737d212da5595bf749074a7bde930355a34550 |
sha512 | 5cff9865c0eaf981b78c8e100f6c6d35e5f0919298e82868e51b4d35f6d89e97f12c8ecdc5564941a7adff029a256d51c29539fd545c9157b9ac926a8088396e |
ripemd-160 | 5dc99a2ad9e18d3ebbfc973c7e9b796baa144bea |
668049690 as geometric shapes
Circle
Radius = nDiameter | 1336099380 |
---|---|
Circumference | 4197479996.6739 |
Area | 1.4020626052796E+18 |
Sphere
Radius = nVolume | 1.2488633184235E+27 |
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Surface area | 5.6082504211184E+18 |
Circumference | 4197479996.6739 |
Square
Length = nPerimeter | 2672198760 |
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Area | 446290388309096100 |
Diagonal | 944764931.93714 |
Cube
Length = nSurface area | 2677742329854576600 |
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Volume | 2.9814415555987E+26 |
Space diagonal | 1157096005.0606 |
Equilateral Triangle
Length = nPerimeter | 2004149070 |
---|---|
Area | 1.9324940687025E+17 |
Altitude | 578548002.53032 |
Triangular Pyramid
Length = nSurface area | 1.9324940687025E+17 |
---|---|
Volume | 3.5136625694587E+25 |
Height | 314921643.97905 |