668844906 is an even 9-digits composite number following 668844905
and preceding 668844907 . In scientific notation, it is written as 6.68844906 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 209833664 positive integers (up to 668844906) that are relatively prime to 668844906.
668844906 has 16 divisors, whose sum is 1416377664
The reverse of 668844906 is 609448866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty-eight million eight hundred forty-four thousand nine hundred six
Scientific notation
6.68844906 × 10^8
Engineering notation
6.68844906 × 10^6
Prime Factorization
2 × 3 × 17 × 6557303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668844906
Product of the distinct prime numbers
The prime factorization of 668844906 is 2 × 3 × 17 × 6557303.
Since it has a total of 4 prime factors.
5 , 10 , 4 , 85 , 792 , 185 , 4989 , 4914 , 9798 , 23408 , 503988 , 871589 , 6006357 , 818721 , 37803689 , 21072147 , 579366231 , 449672075 , 6512327818 , 6696266782
n×2
1337689812
n×3
2006534718
n×4
2675379624
n×5
3344224530
n÷2
334422453
n÷3
222948302
n÷3
167211226.5
n÷5
133768981.2
n2
447353508282148836
n3
2.9921011519574E+26
n4
2.0012516137235E+35
n5
1.3385269474632E+44
2 √n
25862.035998738
3 √n
874.53086405261
4 √n
160.81677772775
5 √n
58.219046015269
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 6557303 , 13114606 , 19671909 , 39343818 , 111474151 , 222948302 , 334422453 , 668844906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668844905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668844906 can be divided by 16 positive divisors.
The sum of these divisors (counting 668844906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111011100001101101010
3
Ternary
1201121112211201120
4
Quaternary
213313130031222
5
Quinary
2332211014111
6
Senary
150211400110
8
Octal
4767341552
10
Decimal
668844906
12
Duodecimal
167bb3036
16
Hexadecimal
27ddc36a
20
Vigesimal
a905c56
36
Base36
b27o16
md5
d9a0e524315893c42070cca93e0f7806
sha1
aa99aff5181f30c6d162bcf0be88909fe8485568
sha256
2fb2a683135f6eb8c0a9939f5032fd03efc383a1bde2b9321d1b7321374480de
sha512
560dbcc9b928ddadc5889db0f8d9bdf90721a0f4bb84e43b39476eb155c7e8d840b78147d61e3ef56b06770c2b538bcddc16ae8c47b9bd964122de75945eef1f
ripemd-160
d2a3598bb4df581239c35e5bc39b3295605368c4
Diameter
1337689812
Circumference
4202476486.1611
Area
1.4054024951768E+18
Volume
1.2533283997049E+27
Surface area
5.6216099807073E+18
Circumference
4202476486.1611
Perimeter
2675379624
Area
447353508282148836
Diagonal
945889537.18936
Surface area
2684121049692893016
Volume
2.9921011519574E+26
Space diagonal
1158473359.5756
Perimeter
2006534718
Area
1.9370975132222E+17
Altitude
579236679.78781
Surface area
1.9370975132222E+17
Volume
3.526225024242E+25
Height
315296512.39645