68129968 is an even 8-digits composite number following 68129967
and preceding 68129969 . In scientific notation, it is written as 6.8129968 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 33733440 positive integers (up to 68129968) that are relatively prime to 68129968.
68129968 has 20 divisors, whose sum is 133286608
The reverse of 68129968 is 86992186
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million one hundred twenty-nine thousand nine hundred sixty-eight
Scientific notation
6.8129968 × 10^7
Engineering notation
6.8129968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 103 × 41341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8516246
Product of the distinct prime numbers
The prime factorization of 68129968 is 2 × 2 × 2 × 2 × 103 × 41341.
Since it has a total of 6 prime factors.
10 , 7 , 24 , 22 , 107 , 987 , 817 , 4537 , 42951 , 11632 , 319644 , 944077 , 5985422 , 604044 , 18538116 , 68148685 , 305944128 , 544441726 , 6160434871 , 796078148
n×2
136259936
n×3
204389904
n×4
272519872
n×5
340649840
n÷2
34064984
n÷3
22709989.333333
n÷3
17032492
n÷5
13625993.6
n2
4641692539681024
n3
3.1623836419431E+23
n4
2.154530963293E+31
n5
1.4678812558416E+39
2 √n
8254.0879568854
3 √n
408.42538614175
4 √n
90.852011297964
5 √n
36.869533021026
1 , 2 , 4 , 8 , 16 , 103 , 206 , 412 , 824 , 1648 , 41341 , 82682 , 165364 , 330728 , 661456 , 4258123 , 8516246 , 17032492 , 34064984 , 68129968
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
-68129967
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 68129968 can be divided by 20 positive divisors.
The sum of these divisors (counting 68129968) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000011111001010010110000
3
Ternary
11202012100202011
4
Quaternary
10003321102300
5
Quinary
114420124333
6
Senary
10432132304
8
Octal
403712260
10
Decimal
68129968
12
Duodecimal
1a997094
16
Hexadecimal
40f94b0
20
Vigesimal
115g4i8
36
Base36
14k9f4
md5
aa32c9769bde2fab210b88fcf5ebe650
sha1
d9b0e3549bfc3cdd5a4bc56e0c9786087eefe8e5
sha256
6d98c136f4b300fdf479a53d34a8a902bbeb2b36f64b46d5b6e924c5c7a01e84
sha512
fd82219f14741a1a4fe7d6818225575af0ca9b608b87771cf095175a237a45606d4d6ff0dea3f8a6d01d09663773ef3ce02271a9fc830a4b774ecc77b8724376
ripemd-160
735c74e847a9f5f8503e486d014fe60255dba902
Diameter
136259936
Circumference
428073213.91622
Area
1.4582307182884E+16
Volume
1.3246561623148E+24
Surface area
5.8329228731538E+16
Circumference
428073213.91622
Perimeter
272519872
Area
4641692539681024
Diagonal
96350324.749645
Surface area
27850155238086144
Volume
3.1623836419431E+23
Space diagonal
118004566.09404
Perimeter
204389904
Area
2.0099118279602E+15
Altitude
59002283.047021
Surface area
2.0099118279602E+15
Volume
3.7269048632189E+22
Height
32116774.916548