668431361 is an odd 9-digits composite number following 668431360
and preceding 668431362 . In scientific notation, it is written as 6.68431361 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 613316880 positive integers (up to 668431361) that are relatively prime to 668431361.
668431361 has 8 divisors, whose sum is 724161984
The reverse of 668431361 is 163134866
Previous prime number is 167
Is Prime? no Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
six hundred sixty-eight million four hundred thirty-one thousand three hundred sixty-one
Scientific notation
6.68431361 × 10^8
Engineering notation
6.68431361 × 10^6
Prime Factorization
13 × 167 × 307891
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
668431361 Product of the distinct prime numbers
The prime factorization of 668431361 is 13 × 167 × 307891.
Since it has a total of 3 prime factors.
8 , 5 , 2 , 53 , 335 , 196 , 672 , 3729 , 39675 , 51294 , 479838 , 444589 , 2833406 , 9774624 , 87757139 , 68059076 , 692873747 , 888829089 , 7859893561 , 1037961788
n×2
1336862722
n×3
2005294083
n×4
2673725444
n×5
3342156805
n÷2
334215680.5
n÷3
222810453.66667
n÷3
167107840.25
n÷5
133686272.2
n2
446800484368312321
n3
2.9865545586177E+26
n4
1.9963067283176E+35
n5
1.3343940233828E+44
2 √n25854.039548976
3 √n874.35058686832
4 √n160.79191381713
5 √n58.211844898276
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-668431360 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668431361 can be divided by 8 positive divisors.
The sum of these divisors (counting 668431361) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110101110111010000000001
3
Ternary
1201120202211110002
4
Quaternary
213311313100001
5
Quinary
2332104300421
6
Senary
150154445345
8
Octal
4765672001
10
Decimal
668431361
12
Duodecimal
167a33855
16
Hexadecimal
27d77401
20
Vigesimal
a8hdi81
36
Base36
b1ysxt
md5
110872ed7664244b5b75e59bd6ca67bb
sha1
cd087a9141827f0b05f410ade9f324e2ff66b381
sha256
a8b203a3b118a43d4ab80c5d5833c38264993a138b1adf7c661e734949b94bf8
sha512
fe3998b0d97e812ec3e459795dc3718880fa9ba76ef7a912b30ca192a7dad2ca07ad25d039e1436acb1bd0ad8ea4bc1191e1285b718ebb35cfcc04a2c0541fe4
ripemd-160
7e89e005c50a0958830456ad4536544d147fc355
Diameter
1336862722
Circumference
4199878106.2933
Area
1.4036651193119E+18
Volume
1.2510050481198E+27
Surface area
5.6146604772474E+18
Circumference
4199878106.2933
Perimeter
2673725444
Area
446800484368312321
Diagonal
945304696.24171
Surface area
2680802906209873926
Volume
2.9865545586177E+26
Space diagonal
1157757078.6244
Perimeter
2005294083
Area
1.9347028494308E+17
Altitude
578878539.31221
Surface area
1.9347028494308E+17
Volume
3.5196883013036E+25
Height
315101565.4139