68909425 is an odd 8-digits composite number following 68909424
and preceding 68909426 . In scientific notation, it is written as 6.8909425 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 50886720 positive integers (up to 68909425) that are relatively prime to 68909425.
68909425 has 12 divisors, whose sum is 92021020
The reverse of 68909425 is 52490986
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-eight million nine hundred nine thousand four hundred twenty-five
Scientific notation
6.8909425 × 10^7
Engineering notation
6.8909425 × 10^6
Prime Factorization
5 × 5 × 13 × 212029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13781885
Product of the distinct prime numbers
The prime factorization of 68909425 is 5 × 5 × 13 × 212029.
Since it has a total of 4 prime factors.
5 , 6 , 44 , 97 , 543 , 609 , 5366 , 8744 , 83156 , 99564 , 343717 , 567082 , 3961137 , 2645208 , 75968518 , 14043560 , 695139238 , 423006544 , 1698260545 , 2005743485
n×2
137818850
n×3
206728275
n×4
275637700
n×5
344547125
n÷2
34454712.5
n÷3
22969808.333333
n÷3
17227356.25
n÷5
13781885
n2
4748508853830625
n3
3.2721701472488E+23
n4
2.2548336334908E+31
n5
1.5537928915451E+39
2 √n
8301.1700982452
3 √n
409.97704610737
4 √n
91.110757313531
5 √n
36.953512501736
1 , 5 , 13 , 25 , 65 , 325 , 212029 , 1060145 , 2756377 , 5300725 , 13781885 , 68909425
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
-68909424
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 68909425 can be divided by 12 positive divisors.
The sum of these divisors (counting 68909425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000110110111100101110001
3
Ternary
11210122221221221
4
Quaternary
10012313211301
5
Quinary
120120100200
6
Senary
10500545041
8
Octal
406674561
10
Decimal
68909425
12
Duodecimal
1b0b2181
16
Hexadecimal
41b7971
20
Vigesimal
11addb5
36
Base36
150yup
md5
b2bae87f12fc3c645efea17ec8e8e7ca
sha1
c3b3e3de782a81c2518b516e10eae54ce79a1ec4
sha256
3a582bf4fd1ade43f3dc7f1b1ce3ff4459ca70d6f803104688362dd9067cb74d
sha512
88e3518d82312fe02d0f79d2a350b2769464ef5ab16ea8c9f74a7819b266d7113f45a3ab388f755b38bce90ba85ae8f9172fb2145be7502b3315a3bc7b6ce905
ripemd-160
439124bb3fc51c60a6d16818bde27fe90fa660f3
Diameter
137818850
Circumference
432970686.68619
Area
1.49178805307E+16
Volume
1.370643426119E+24
Surface area
5.9671522122802E+16
Circumference
432970686.68619
Perimeter
275637700
Area
4748508853830625
Diagonal
97452643.410332
Surface area
28491053122983750
Volume
3.2721701472488E+23
Space diagonal
119354625.22036
Perimeter
206728275
Area
2.0561646487563E+15
Altitude
59677312.610178
Surface area
2.0561646487563E+15
Volume
3.8562895005263E+22
Height
32484214.470111