668747907 is an odd 9-digits composite number following 668747906
and preceding 668747908 . In scientific notation, it is written as 6.68747907 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 445831776 positive integers (up to 668747907) that are relatively prime to 668747907.
668747907 has 8 divisors, whose sum is 902672400
The reverse of 668747907 is 709747866
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-eight million seven hundred forty-seven thousand nine hundred seven
Scientific notation
6.68747907 × 10^8
Engineering notation
6.68747907 × 10^6
Prime Factorization
81 × 3 × 2752049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668747907
Product of the distinct prime numbers
The prime factorization of 668747907 is 81 × 3 × 2752049.
Since it has a total of 3 prime factors.
6 , 8 , 74 , 100 , 651 , 689 , 3636 , 4396 , 40145 , 53885 , 624678 , 888988 , 6452394 , 6012267 , 86569852 , 24286158 , 456273028 , 571902723 , 4465659105 , 3106849546
n×2
1337495814
n×3
2006243721
n×4
2674991628
n×5
3343739535
n÷2
334373953.5
n÷3
222915969
n÷3
167186976.75
n÷5
133749581.4
n2
447223763116880649
n3
2.9907995554508E+26
n4
2.0000909429642E+35
n5
1.337556631917E+44
2 √n
25860.16061435
3 √n
874.48858583056
4 √n
160.81094681131
5 √n
58.217357277921
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
-668747906
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 668747907 can be divided by 8 positive divisors.
The sum of these divisors (counting 668747907) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111000100100010000011
3
Ternary
1201121100220200000
4
Quaternary
213313010202003
5
Quinary
2332144413112
6
Senary
150205331043
8
Octal
4767044203
10
Decimal
668747907
12
Duodecimal
167b66a83
16
Hexadecimal
27dc4883
20
Vigesimal
a8jd9f7
36
Base36
b25l6r
md5
93e05c9d2b7172e48d75e1692568c198
sha1
af3682d2ba30b3dd90d6ea6d2fffdfcb315f3a87
sha256
a1361cc844e002628ae4d809a5716d76f2044c431794258e64543bbb76775fe2
sha512
6ba0028c222e5c16e7116fbe816cff7b8e6262c2513b1a420ec48e0f0f1f9eb908690afee78221452aafdc2c66a2d9b95712b605bcf535bde62377785993f3ae
ripemd-160
37b3465d11344aa4396c8673525e9048a988c710
Diameter
1337495814
Circumference
4201867023.4695
Area
1.4049948887188E+18
Volume
1.2527831882352E+27
Surface area
5.6199795548751E+18
Circumference
4201867023.4695
Perimeter
2674991628
Area
447223763116880649
Diagonal
945752359.88802
Surface area
2683342578701283894
Volume
2.9907995554508E+26
Space diagonal
1158305352.3793
Perimeter
2006243721
Area
1.9365357001765E+17
Altitude
579152676.18967
Surface area
1.9365357001765E+17
Volume
3.5246910780483E+25
Height
315250786.62934