668549061 is an odd 9-digits composite number following 668549060
and preceding 668549062 . In scientific notation, it is written as 6.68549061 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 445595904 positive integers (up to 668549061) that are relatively prime to 668549061.
668549061 has 12 divisors, whose sum is 965906188
The reverse of 668549061 is 160945866
Previous prime number is 8893
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-eight million five hundred forty-nine thousand sixty-one
Scientific notation
6.68549061 × 10^8
Engineering notation
6.68549061 × 10^6
Prime Factorization
3 × 3 × 8893 × 8353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
222849687
Product of the distinct prime numbers
The prime factorization of 668549061 is 3 × 3 × 8893 × 8353.
Since it has a total of 4 prime factors.
2 , 10 , 99 , 5 , 918 , 815 , 9600 , 7207 , 35225 , 97185 , 319293 , 678716 , 7996971 , 5310595 , 20502515 , 32960081 , 451924693 , 823693889 , 6868162519 , 5578898833
n×2
1337098122
n×3
2005647183
n×4
2674196244
n×5
3342745305
n÷2
334274530.5
n÷3
222849687
n÷3
167137265.25
n÷5
133709812.2
n2
446957846963981721
n3
2.9881324889435E+26
n4
1.9977131696268E+35
n5
1.3355692637013E+44
2 √n
25856.315688822
3 √n
874.40190354312
4 √n
160.79899156656
5 √n
58.213894787619
1 , 3 , 9 , 8353 , 8893 , 25059 , 26679 , 75177 , 80037 , 74283229 , 222849687 , 668549061
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668549060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668549061 can be divided by 12 positive divisors.
The sum of these divisors (counting 668549061) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110110010011111111000101
3
Ternary
1201120222210220100
4
Quaternary
213312103333011
5
Quinary
2332122032221
6
Senary
150201154313
8
Octal
4766237705
10
Decimal
668549061
12
Duodecimal
167a8b999
16
Hexadecimal
27d93fc5
20
Vigesimal
a8i8cd1
36
Base36
b21br9
md5
3b17ce1b30cc81e9f80abfac40906b62
sha1
c5e5dc17de34fd27bd754a48bcd378c980638d04
sha256
6aee908c8918a933dcb1d38d1985fb78bc38b3f8ebe2e4adff7f8540d839046d
sha512
95de6fcbb36d847518fb05cbe21a7e3a541ee8b7def6a6f75431e0515851214d451df4874316491900904fde270c70eac8fe73439cf597a7917645fd3b9723fd
ripemd-160
3077e13bec6c51138c06966e694fd49f2482b72b
Diameter
1337098122
Circumference
4200617637.2039
Area
1.4041594884864E+18
Volume
1.2516660100291E+27
Surface area
5.6166379539454E+18
Circumference
4200617637.2039
Perimeter
2674196244
Area
446957846963981721
Diagonal
945471149.178
Surface area
2681747081783890326
Volume
2.9881324889435E+26
Space diagonal
1157960941.0045
Perimeter
2005647183
Area
1.935384249458E+17
Altitude
578980470.50223
Surface area
1.935384249458E+17
Volume
3.5215479100263E+25
Height
315157049.726