668809738 is an even 9-digits composite number following 668809737
and preceding 668809739 . In scientific notation, it is written as 6.68809738 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 334404868 positive integers (up to 668809738) that are relatively prime to 668809738.
668809738 has 4 divisors, whose sum is 1003214610
The reverse of 668809738 is 837908866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million eight hundred nine thousand seven hundred thirty-eight
Scientific notation
6.68809738 × 10^8
Engineering notation
6.68809738 × 10^6
Prime Factorization
2 × 334404869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668809738
Product of the distinct prime numbers
The prime factorization of 668809738 is 2 × 334404869.
Since it has a total of 2 prime factors.
6 , 4 , 76 , 66 , 791 , 923 , 3341 , 6632 , 6142 , 31583 , 57427 , 881728 , 8700457 , 6714646 , 74010400 , 46720217 , 783807937 , 22252822 , 146742041 , 172502539
n×2
1337619476
n×3
2006429214
n×4
2675238952
n×5
3344048690
n÷2
334404869
n÷3
222936579.33333
n÷3
167202434.5
n÷5
133761947.6
n2
447306465643628644
n3
2.9916292009282E+26
n4
2.0008307420659E+35
n5
1.3381750843835E+44
2 √n
25861.356074266
3 √n
874.51553611425
4 √n
160.81466374142
5 √n
58.218433768557
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668809737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668809738 can be divided by 4 positive divisors.
The sum of these divisors (counting 668809738) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111010011101000001010
3
Ternary
1201121111001111001
4
Quaternary
213313103220022
5
Quinary
2332203402423
6
Senary
150210525214
8
Octal
4767235012
10
Decimal
668809738
12
Duodecimal
167b9680a
16
Hexadecimal
27dd3a0a
20
Vigesimal
a90146i
36
Base36
b26wwa
md5
c3d52c7426da21f93d537ac20c469f6f
sha1
1e86ef6021bb58c08beec4923181d12f80ab0aa3
sha256
5cc3d89cc76392909b1d13e7d35a1a4741564a962371f63aa5688f1bb9e93e30
sha512
91e68496039c010a8be09b41d16c843cc0f413d47a06548e605a1cb73b935592f2c2d19b9da12ef83677b3a2b3554e0f8de2d7d6f52dd289707426dd2fc85f0a
ripemd-160
64501516bf8f01ae60a4c5377e14e4f16c2df7a0
Diameter
1337619476
Circumference
4202255519.1002
Area
1.4052547063692E+18
Volume
1.2531307093201E+27
Surface area
5.621018825477E+18
Circumference
4202255519.1002
Perimeter
2675238952
Area
447306465643628644
Diagonal
945839802.1268
Surface area
2683838793861771864
Volume
2.9916292009282E+26
Space diagonal
1158412446.8128
Perimeter
2006429214
Area
1.9368938126221E+17
Altitude
579206223.40641
Surface area
1.9368938126221E+17
Volume
3.5256688246201E+25
Height
315279934.04227