668698728 (number)
668698728 is an even 9-digits composite number following 668698727 and preceding 668698729. In scientific notation, it is written as 6.68698728 × 10^8. The sum of its digits is 60. It has a total of 6 prime factors and 32 positive divisors. There are 221563520 positive integers (up to 668698728) that are relatively prime to 668698728.
Interesting facts
- 668698728 has 32 divisors, whose sum is 1681767360
- The reverse of 668698728 is 827896866
- Previous prime number is 167
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 60
- Digital Root 6
Name
Name | six hundred sixty-eight million six hundred ninety-eight thousand seven hundred twenty-eight |
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Notation
Scientific notation | 6.68698728 × 10^8 |
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Engineering notation | 6.68698728 × 10^6 |
Prime Factorization of 668698728
Prime Factorization 2 × 2 × 2 × 3 × 167 × 166841
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 167174682 | Product of the distinct prime numbers |
The prime factorization of 668698728 is 2 × 2 × 2 × 3 × 167 × 166841. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 668698728)
Multiplication
n×yn×2 | 1337397456 |
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n×3 | 2006096184 |
n×4 | 2674794912 |
n×5 | 3343493640 |
Division
n÷yn÷2 | 334349364 |
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n÷3 | 222899576 |
n÷3 | 167174682 |
n÷5 | 133739745.6 |
Exponentiation
nyn2 | 447157988828817984 |
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n3 | 2.9901397834487E+26 |
n4 | 1.9995026697343E+35 |
n5 | 1.337064891884E+44 |
Nth Root
y√n2√n | 25859.209732705 |
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3√n | 874.46714898918 |
4√n | 160.80799026387 |
5√n | 58.216501004397 |
Divisors of 668698728
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -668698727 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 668698728 can be divided by 32 positive divisors. The sum of these divisors (counting 668698728) is 1, the average is 0.03125.
Base conversion 668698728
Base | System | Value |
---|---|---|
2 | Binary | 100111110110111000100001101000 |
3 | Ternary | 1201121021102012120 |
4 | Quaternary | 213312320201220 |
5 | Quinary | 2332141324403 |
6 | Senary | 150204311240 |
8 | Octal | 4766704150 |
10 | Decimal | 668698728 |
12 | Duodecimal | 167b42520 |
16 | Hexadecimal | 27db8868 |
20 | Vigesimal | a8j76g8 |
36 | Base36 | b24j8o |
Cryptographic Hash Functions
md5 | 1de3c511a6da6505fa5bcf55e1047c05 |
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sha1 | 6bbac5e7ff7f40e26788b0b918d94c05b0ad76b6 |
sha256 | e0165d04b2c5df3d4dffa991addaac71ea08ac06abdfb78ad76cae04b5a7f06d |
sha512 | 05536bc6fd1d7ca28866d613a59449ead6942ed113c422f3045ab8e6140d8f93dbfe5b5345f2432fb8c4deb9e36ead7ba8e422eb7697d80564882a5a8ce41f8e |
ripemd-160 | 987886dd15211174ddd5e4307b33f9b8eb72e5be |
668698728 as geometric shapes
Circle
Radius = nDiameter | 1337397456 |
---|---|
Circumference | 4201558022.6993 |
Area | 1.4047882526986E+18 |
Sphere
Radius = nVolume | 1.2525068235852E+27 |
---|---|
Surface area | 5.6191530107944E+18 |
Circumference | 4201558022.6993 |
Square
Length = nPerimeter | 2674794912 |
---|---|
Area | 447157988828817984 |
Diagonal | 945682810.27924 |
Cube
Length = nSurface area | 2682947932972907904 |
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Volume | 2.9901397834487E+26 |
Space diagonal | 1158220171.8527 |
Equilateral Triangle
Length = nPerimeter | 2006096184 |
---|---|
Area | 1.9362508891546E+17 |
Altitude | 579110085.92634 |
Triangular Pyramid
Length = nSurface area | 1.9362508891546E+17 |
---|---|
Volume | 3.5239135292871E+25 |
Height | 315227603.42641 |