668724906 is an even 9-digits composite number following 668724905
and preceding 668724907 . In scientific notation, it is written as 6.68724906 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 217453824 positive integers (up to 668724906) that are relatively prime to 668724906.
668724906 has 16 divisors, whose sum is 1012120200
The reverse of 668724906 is 609427866
Previous prime number is 1553
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred sixty-eight million seven hundred twenty-four thousand nine hundred six
Scientific notation
6.68724906 × 10^8
Engineering notation
6.68724906 × 10^6
Prime Factorization
2 × 129 × 1553 × 1669
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668724906
Product of the distinct prime numbers
The prime factorization of 668724906 is 2 × 129 × 1553 × 1669.
Since it has a total of 4 prime factors.
9 , 8 , 74 , 68 , 523 , 563 , 179 , 5799 , 89437 , 16976 , 622744 , 861759 , 5707143 , 9629230 , 45200125 , 77410624 , 731250998 , 823907416 , 6805764194 , 878254282
n×2
1337449812
n×3
2006174718
n×4
2674899624
n×5
3343624530
n÷2
334362453
n÷3
222908302
n÷3
167181226.5
n÷5
133744981.2
n2
447192999904708836
n3
2.9904909682513E+26
n4
1.9998157916377E+35
n5
1.3373266272803E+44
2 √n
25859.715891711
3 √n
874.47855995865
4 √n
160.80956405547
5 √n
58.216956805383
1 , 2 , 129 , 258 , 1553 , 1669 , 3106 , 3338 , 200337 , 215301 , 400674 , 430602 , 2591957 , 5183914 , 334362453 , 668724906
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
-668724905
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 668724906 can be divided by 16 positive divisors.
The sum of these divisors (counting 668724906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110110111110111010101010
3
Ternary
1201121022202010010
4
Quaternary
213312332322222
5
Quinary
2332143144111
6
Senary
150205032350
8
Octal
4766767252
10
Decimal
668724906
12
Duodecimal
167b556b6
16
Hexadecimal
27dbeeaa
20
Vigesimal
a8jac56
36
Base36
b253fu
md5
f8a7776b978f920dfbba58612b7d98e5
sha1
70836cef325b22c38446ce7abbcc25821b5f732d
sha256
277f4128e2c112bbb7549cb767438d6dce24ac185b794a5e50dea87928ca802a
sha512
44560a1b359dee81ed49ccb2bdb83f2e7ec8ae14407b51d21c5f592cc5eb97194edd60df34e7dd9b958af0aa125e325fa92a57ffbaf16d7bcc4f7089d32fdf14
ripemd-160
b3b574e84475d37b8e94667a5b4ee87fd3264404
Diameter
1337449812
Circumference
4201722503.9243
Area
1.4048982432374E+18
Volume
1.2526539275313E+27
Surface area
5.6195929729497E+18
Circumference
4201722503.9243
Perimeter
2674899624
Area
447192999904708836
Diagonal
945719831.56187
Surface area
2683157999428253016
Volume
2.9904909682513E+26
Space diagonal
1158265513.4787
Perimeter
2006174718
Area
1.9364024915602E+17
Altitude
579132756.73936
Surface area
1.9364024915602E+17
Volume
3.5243274045461E+25
Height
315239943.85396