68909424 is an even 8-digits composite number following 68909423
and preceding 68909425 . In scientific notation, it is written as 6.8909424 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 22969792 positive integers (up to 68909424) that are relatively prime to 68909424.
68909424 has 20 divisors, whose sum is 178016136
The reverse of 68909424 is 42490986
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million nine hundred nine thousand four hundred twenty-four
Scientific notation
6.8909424 × 10^7
Engineering notation
6.8909424 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1435613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8613678
Product of the distinct prime numbers
The prime factorization of 68909424 is 2 × 2 × 2 × 2 × 3 × 1435613.
Since it has a total of 6 prime factors.
3 , 8 , 23 , 45 , 903 , 929 , 6442 , 2140 , 60205 , 22848 , 402844 , 128597 , 761687 , 3694407 , 6707561 , 90948599 , 203106365 , 963185016 , 3011716697 , 7314088949
n×2
137818848
n×3
206728272
n×4
275637696
n×5
344547120
n÷2
34454712
n÷3
22969808
n÷3
17227356
n÷5
13781884.8
n2
4748508716011776
n3
3.2721700047935E+23
n4
2.254833502604E+31
n5
1.5537927788034E+39
2 √n
8301.1700380127
3 √n
409.9770441242
4 √n
91.110756982986
5 √n
36.953512394484
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1435613 , 2871226 , 4306839 , 5742452 , 8613678 , 11484904 , 17227356 , 22969808 , 34454712 , 68909424
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
-68909423
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 68909424 can be divided by 20 positive divisors.
The sum of these divisors (counting 68909424) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000110110111100101110000
3
Ternary
11210122221221220
4
Quaternary
10012313211300
5
Quinary
120120100144
6
Senary
10500545040
8
Octal
406674560
10
Decimal
68909424
12
Duodecimal
1b0b2180
16
Hexadecimal
41b7970
20
Vigesimal
11addb4
36
Base36
150yuo
md5
121ba0bb7d880acce17f592b2bb475ce
sha1
9d86872bc9a62c66eda81678845daa0d2f0d9913
sha256
7510e6da65e556aa82af24abada8328438d7eeff3f680018873d2e2906939d67
sha512
0a75a9c3d3fdce9d10fef3b54b392326dc19ecee5b3275863879784199ce88ffbe9f912a0add49bf2462b37598ee53fa5a83bfcfae4d54c17eac6f37e95645da
ripemd-160
3a0635ca3db72590d844f6c73e9b64c7fa7ce820
Diameter
137818848
Circumference
432970680.40301
Area
1.491788009773E+16
Volume
1.3706433664475E+24
Surface area
5.9671520390919E+16
Circumference
432970680.40301
Perimeter
275637696
Area
4748508716011776
Diagonal
97452641.996118
Surface area
28491052296070656
Volume
3.2721700047935E+23
Space diagonal
119354623.48831
Perimeter
206728272
Area
2.056164589079E+15
Altitude
59677311.744153
Surface area
2.056164589079E+15
Volume
3.8562893326412E+22
Height
32484213.998706