668695969 is an odd 9-digits composite number following 668695968
and preceding 668695970 . In scientific notation, it is written as 6.68695969 × 10^8.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 619042560 positive integers (up to 668695969) that are relatively prime to 668695969.
668695969 has 8 divisors, whose sum is 719639208
The reverse of 668695969 is 969596866
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred sixty-eight million six hundred ninety-five thousand nine hundred sixty-nine
Scientific notation
6.68695969 × 10^8
Engineering notation
6.68695969 × 10^6
Prime Factorization
17 × 61 × 644837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668695969
Product of the distinct prime numbers
The prime factorization of 668695969 is 17 × 61 × 644837.
Since it has a total of 3 prime factors.
2 , 8 , 89 , 19 , 320 , 945 , 5925 , 5902 , 59955 , 67801 , 627224 , 999691 , 8293284 , 3012370 , 2704142 , 2934663 , 939751306 , 491848080 , 2922570092 , 861682655
n×2
1337391938
n×3
2006087907
n×4
2674783876
n×5
3343479845
n÷2
334347984.5
n÷3
222898656.33333
n÷3
167173992.25
n÷5
133739193.8
n2
447154298956848961
n3
2.9901027723347E+26
n4
1.9994696707559E+35
n5
1.3370373089722E+44
2 √n
25859.156386085
3 √n
874.46594632591
4 √n
160.80782439323
5 √n
58.216452964948
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
-668695968
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 668695969 can be divided by 8 positive divisors.
The sum of these divisors (counting 668695969) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110110110111110110100001
3
Ternary
1201121021021102101
4
Quaternary
213312313312201
5
Quinary
2332141232334
6
Senary
150204250401
8
Octal
4766676641
10
Decimal
668695969
12
Duodecimal
167b40a01
16
Hexadecimal
27db7da1
20
Vigesimal
a8j6ji9
36
Base36
b24h41
md5
8b553fdc6b93ec1737a9625764c3e374
sha1
cf0519e9e374d193609ce501ab54850674248b4d
sha256
3bc6642817108b733711eb6e5ce7dd453f9f5d96230f214a037b9569d210201f
sha512
a165e5466880ac7a828d8cd22bc097f68642ff43c2d37075a7b0e96d417d6895e1898767401b0875f0a715db0fd97f74d80484982eb2cd723532c05e548308a6
ripemd-160
be10bda125579c88e89d09eeff21865602b1d401
Diameter
1337391938
Circumference
4201540687.391
Area
1.4047766606239E+18
Volume
1.252491320406E+27
Surface area
5.6191066424957E+18
Circumference
4201540687.391
Perimeter
2674783876
Area
447154298956848961
Diagonal
945678908.46402
Surface area
2682925793741093766
Volume
2.9901027723347E+26
Space diagonal
1158215393.1245
Perimeter
2006087907
Area
1.9362349115403E+17
Altitude
579107696.56225
Surface area
1.9362349115403E+17
Volume
3.5238699112709E+25
Height
315226302.82134