668366928 is an even 9-digits composite number following 668366927
and preceding 668366929 . In scientific notation, it is written as 6.68366928 × 10^8.
The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors.
There are 222788928 positive integers (up to 668366928) that are relatively prime to 668366928.
668366928 has 20 divisors, whose sum is 1438845780
The reverse of 668366928 is 829663866
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-eight million three hundred sixty-six thousand nine hundred twenty-eight
Scientific notation
6.68366928 × 10^8
Engineering notation
6.68366928 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 4641437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
83545866
Product of the distinct prime numbers
The prime factorization of 668366928 is 2 × 2 × 2 × 2 × 9 × 4641437.
Since it has a total of 6 prime factors.
7 , 4 , 89 , 40 , 155 , 321 , 3976 , 8587 , 63292 , 30695 , 795256 , 226740 , 8060643 , 8727336 , 88244173 , 71248312 , 584734583 , 872565421 , 9403752077 , 1646996512
n×2
1336733856
n×3
2005100784
n×4
2673467712
n×5
3341834640
n÷2
334183464
n÷3
222788976
n÷3
167091732
n÷5
133673385.6
n2
446714350444157184
n3
2.9856909809988E+26
n4
1.9955371089275E+35
n5
1.3337510072038E+44
2 √n
25852.793427404
3 √n
874.32249181626
4 √n
160.78803881945
5 √n
58.210722596526
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 4641437 , 9282874 , 18565748 , 37131496 , 41772933 , 74262992 , 83545866 , 167091732 , 334183464 , 668366928
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668366927
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668366928 can be divided by 20 positive divisors.
The sum of these divisors (counting 668366928) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111110101100111100001010000
3
Ternary
1201120122120001200
4
Quaternary
213311213201100
5
Quinary
2332100220203
6
Senary
150153231200
8
Octal
4765474120
10
Decimal
668366928
12
Duodecimal
167a02500
16
Hexadecimal
27d67850
20
Vigesimal
a8h5h68
36
Base36
b1xf80
md5
f2df85e93f6cd48d2885317a8e6768ba
sha1
6dc2e2fd073ded5e442e29390e5193bf6b877f5f
sha256
749e31d570b672bd8a5615dca1393c9a61004672a14e92690f025eb52a07cc48
sha512
862026cfc95a02a7bf7ad28593d57e8bd9fc5ae4c488ac49d3d1bd418436101341b4615ff11cca07b3da309cd6c6d8219d963ff144cbe25b08b270d40c6e667f
ripemd-160
995b1a786a793b048768203941b8764d237a03b3
Diameter
1336733856
Circumference
4199473261.8144
Area
1.4033945216085E+18
Volume
1.2506433135727E+27
Surface area
5.613578086434E+18
Circumference
4199473261.8144
Perimeter
2673467712
Area
446714350444157184
Diagonal
945213574.21924
Surface area
2680286102664943104
Volume
2.9856909809988E+26
Space diagonal
1157645477.3947
Perimeter
2005100784
Area
1.9343298785985E+17
Altitude
578822738.69736
Surface area
1.9343298785985E+17
Volume
3.5186705653196E+25
Height
315071191.40641