668351639 is an odd 9-digits composite number following 668351638
and preceding 668351640 . In scientific notation, it is written as 6.68351639 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 662105256 positive integers (up to 668351639) that are relatively prime to 668351639.
668351639 has 4 divisors, whose sum is 674598024
The reverse of 668351639 is 936153866
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-eight million three hundred fifty-one thousand six hundred thirty-nine
Scientific notation
6.68351639 × 10^8
Engineering notation
6.68351639 × 10^6
Prime Factorization
107 × 6246277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668351639
Product of the distinct prime numbers
The prime factorization of 668351639 is 107 × 6246277.
Since it has a total of 2 prime factors.
7 , 6 , 49 , 82 , 905 , 185 , 3120 , 1457 , 24012 , 6320 , 369682 , 336762 , 2683130 , 805080 , 91908675 , 55068509 , 152931771 , 135741696 , 1945335770 , 9658199630
n×2
1336703278
n×3
2005054917
n×4
2673406556
n×5
3341758195
n÷2
334175819.5
n÷3
222783879.66667
n÷3
167087909.75
n÷5
133670327.8
n2
446693913353986321
n3
2.9854860912146E+26
n4
1.995354522275E+35
n5
1.3335984653485E+44
2 √n
25852.497732328
3 √n
874.31582500998
4 √n
160.78711929855
5 √n
58.210456278178
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
-668351638
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 668351639 can be divided by 4 positive divisors.
The sum of these divisors (counting 668351639) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110101100011110010010111
3
Ternary
1201120121210002102
4
Quaternary
213311203302113
5
Quinary
2332044223024
6
Senary
150153032315
8
Octal
4765436227
10
Decimal
668351639
12
Duodecimal
1679b569b
16
Hexadecimal
27d63c97
20
Vigesimal
a8h3j1j
36
Base36
b1x3fb
md5
7e6bf24d7e84ed109adbe5fbdc5b8d88
sha1
e8cbff81c966af80b814b2691e765eaac50063bc
sha256
d6ae000d1ebd5a68e17902c7ca9f79a3440830df77f7a1018407cf5df75e2ac0
sha512
dc36723e1b2d0c7f42ebaff9e9f5629b4b4ecf784392aa00e8a397ab8dfc7ce04dc3d13d37eb891f02fe12cd7350bcb547148ef473f7ba31ac0e359024dd0b33
ripemd-160
6174da37fedf8b3f9e705473f5c8d10282be8fd5
Diameter
1336703278
Circumference
4199377198.1942
Area
1.4033303165962E+18
Volume
1.2505574895406E+27
Surface area
5.6133212663846E+18
Circumference
4199377198.1942
Perimeter
2673406556
Area
446693913353986321
Diagonal
945191952.30809
Surface area
2680163480123917926
Volume
2.9854860912146E+26
Space diagonal
1157618996.0699
Perimeter
2005054917
Area
1.9342413834022E+17
Altitude
578809498.03497
Surface area
1.9342413834022E+17
Volume
3.5184291003933E+25
Height
315063984.1027