668804539 is an odd 9-digits composite number following 668804538
and preceding 668804540 . In scientific notation, it is written as 6.68804539 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 617103360 positive integers (up to 668804539) that are relatively prime to 668804539.
668804539 has 8 divisors, whose sum is 720548192
The reverse of 668804539 is 935408866
Previous prime number is 2791
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred sixty-eight million eight hundred four thousand five hundred thirty-nine
Scientific notation
6.68804539 × 10^8
Engineering notation
6.68804539 × 10^6
Prime Factorization
13 × 2791 × 18433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668804539
Product of the distinct prime numbers
The prime factorization of 668804539 is 13 × 2791 × 18433.
Since it has a total of 3 prime factors.
5 , 5 , 77 , 29 , 625 , 522 , 7754 , 7664 , 11225 , 28389 , 399349 , 667343 , 7542244 , 8613579 , 77770107 , 87215063 , 895858109 , 566683459 , 4608441454 , 1595522872
n×2
1337609078
n×3
2006413617
n×4
2675218156
n×5
3344022695
n÷2
334402269.5
n÷3
222934846.33333
n÷3
167201134.75
n÷5
133760907.8
n2
447299511387002521
n3
2.9915594350811E+26
n4
2.0007685288705E+35
n5
1.338123073597E+44
2 √n
25861.2555573
3 √n
874.5132700896
4 √n
160.81435121686
5 √n
58.218343255946
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
-668804538
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 668804539 can be divided by 8 positive divisors.
The sum of these divisors (counting 668804539) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111010010010110111011
3
Ternary
1201121110210100111
4
Quaternary
213313102112323
5
Quinary
2332203221124
6
Senary
150210445151
8
Octal
4767222673
10
Decimal
668804539
12
Duodecimal
167b937b7
16
Hexadecimal
27dd25bb
20
Vigesimal
a900b6j
36
Base36
b26svv
md5
07a9198a30051d7369954c296f51a4b2
sha1
7741795fbf928539fb6eea86db812116229dcd25
sha256
cbf179085928f7752058e31dd585965d5fbfdbeb28d5cd4a55ac9bd0606c2303
sha512
00036ea85d1825b39fc587e52c69ede526cbb5e346d8410c75fbb86f48a137c3ff781f6cf0b900da4a8dcd2ba9e3f550a13d3089b1ca67faf90043185878ef52
ripemd-160
9171286f4ec14a34dc2b6142ba7d3e30e7535993
Diameter
1337609078
Circumference
4202222852.8198
Area
1.4052328589277E+18
Volume
1.2531014858704E+27
Surface area
5.6209314357108E+18
Circumference
4202222852.8198
Perimeter
2675218156
Area
447299511387002521
Diagonal
945832449.63049
Surface area
2683797068322015126
Volume
2.9915594350811E+26
Space diagonal
1158403441.8807
Perimeter
2006413617
Area
1.9368636998076E+17
Altitude
579201720.94034
Surface area
1.9368636998076E+17
Volume
3.5255866047807E+25
Height
315277483.21016