68454939 is an odd 8-digits composite number following 68454938
and preceding 68454940 . In scientific notation, it is written as 6.8454939 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 38916192 positive integers (up to 68454939) that are relatively prime to 68454939.
68454939 has 16 divisors, whose sum is 104848128
The reverse of 68454939 is 93945486
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-eight million four hundred fifty-four thousand nine hundred thirty-nine
Scientific notation
6.8454939 × 10^7
Engineering notation
6.8454939 × 10^6
Prime Factorization
7 × 3 × 197 × 16547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68454939
Product of the distinct prime numbers
The prime factorization of 68454939 is 7 × 3 × 197 × 16547.
Since it has a total of 4 prime factors.
5 , 3 , 25 , 51 , 440 , 986 , 3278 , 4371 , 27580 , 93578 , 376432 , 300659 , 3185857 , 2408385 , 24487825 , 22541299 , 516486548 , 96494924 , 6364763416 , 8896291358
n×2
136909878
n×3
205364817
n×4
273819756
n×5
342274695
n÷2
34227469.5
n÷3
22818313
n÷3
17113734.75
n÷5
13690987.8
n2
4686078673493721
n3
3.2078522974321E+23
n4
2.1959333334173E+31
n5
1.5032248238715E+39
2 √n
8273.749996223
3 √n
409.07373487048
4 √n
90.960156091681
5 √n
36.904638671137
1 , 3 , 7 , 21 , 197 , 591 , 1379 , 4137 , 16547 , 49641 , 115829 , 347487 , 3259759 , 9779277 , 22818313 , 68454939
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68454938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68454939 can be divided by 16 positive divisors.
The sum of these divisors (counting 68454939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101001000101000011011
3
Ternary
11202210212112010
4
Quaternary
10011020220123
5
Quinary
120011024224
6
Senary
10443121003
8
Octal
405105033
10
Decimal
68454939
12
Duodecimal
1ab13163
16
Hexadecimal
4148a1b
20
Vigesimal
117gh6j
36
Base36
14r863
md5
62ab6d4249e46a896580d2d6e0291b87
sha1
dbb65bab4c22a4b35742fae5bbd5807c1ce1319d
sha256
280779184431099d37652d0a4608b1aeb466b34f1ccae8c5bbb6288fbb3f84e9
sha512
8d6a6f8cf7fa15aaa045d633d66d427ed253acc1b65467ad2d5331fb4e7b3e5c4be9bb716e78b73b7d34f9385a9f0ceb772dba40661013f7fdebc3d1d8bef1c5
ripemd-160
7c116a9dfe19d6a77de75993339829c5a981d2e3
Diameter
136909878
Circumference
430115066.92867
Area
1.4721750334792E+16
Volume
1.3437020281885E+24
Surface area
5.8887001339167E+16
Circumference
430115066.92867
Perimeter
273819756
Area
4686078673493721
Diagonal
96809903.145223
Surface area
28116472040962326
Volume
3.2078522974321E+23
Space diagonal
118567432.37703
Perimeter
205364817
Area
2.029131587689E+15
Altitude
59283716.188514
Surface area
2.029131587689E+15
Volume
3.7804901875985E+22
Height
32269967.715074