68628668 is an even 8-digits composite number following 68628667
and preceding 68628669 . In scientific notation, it is written as 6.8628668 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 33207360 positive integers (up to 68628668) that are relatively prime to 68628668.
68628668 has 12 divisors, whose sum is 123974592
The reverse of 68628668 is 86682686
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million six hundred twenty-eight thousand six hundred sixty-eight
Scientific notation
6.8628668 × 10^7
Engineering notation
6.8628668 × 10^6
Prime Factorization
2 × 2 × 31 × 553457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34314334
Product of the distinct prime numbers
The prime factorization of 68628668 is 2 × 2 × 31 × 553457.
Since it has a total of 4 prime factors.
7 , 4 , 34 , 67 , 593 , 467 , 8879 , 2029 , 14973 , 94330 , 775395 , 680868 , 4284951 , 851423 , 69835301 , 20267840 , 281440925 , 64941786 , 267962007 , 2946418971
n×2
137257336
n×3
205886004
n×4
274514672
n×5
343143340
n÷2
34314334
n÷3
22876222.666667
n÷3
17157167
n÷5
13725733.6
n2
4709894071454224
n3
3.23233756545E+23
n4
2.218310216432E+31
n5
1.5223967536452E+39
2 √n
8284.2421500099
3 √n
409.41949972142
4 √n
91.017812267764
5 √n
36.923351440325
1 , 2 , 4 , 31 , 62 , 124 , 553457 , 1106914 , 2213828 , 17157167 , 34314334 , 68628668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68628667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68628668 can be divided by 12 positive divisors.
The sum of these divisors (counting 68628668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101110011000010111100
3
Ternary
11210010200211112
4
Quaternary
10011303002330
5
Quinary
120032104133
6
Senary
10450541152
8
Octal
405630274
10
Decimal
68628668
12
Duodecimal
1ab977b8
16
Hexadecimal
41730bc
20
Vigesimal
118ibd8
36
Base36
14uy7w
md5
57af5a034ae221c3ba335b9c69c0086d
sha1
6a0a28820099e6169b97b104c5825bf4f3e1abc0
sha256
d873751d659381baab6418ed6d7d0a04ce3b0e9e28558687719b5f60c4d09af5
sha512
79332f1406e63b6284aabae63829725b7cac59a380a25193de38dfc063742b13a123cdd4b668a1d5d678bc3116c459705ce947145b142254d26b5056e669dcde
ripemd-160
c77a9f94fe6d509bde8b0889c627c0dc53619cbf
Diameter
137257336
Circumference
431206638.42891
Area
1.4796568614067E+16
Volume
1.353958393272E+24
Surface area
5.9186274456267E+16
Circumference
431206638.42891
Perimeter
274514672
Area
4709894071454224
Diagonal
97055593.0532
Surface area
28259364428725344
Volume
3.23233756545E+23
Space diagonal
118868339.83178
Perimeter
205886004
Area
2.0394439575065E+15
Altitude
59434169.915888
Surface area
2.0394439575065E+15
Volume
3.8093463526895E+22
Height
32351864.351067