68939969 is an odd 8-digits composite number following 68939968
and preceding 68939970 . In scientific notation, it is written as 6.8939969 × 10^7.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 58665456 positive integers (up to 68939969) that are relatively prime to 68939969.
68939969 has 8 divisors, whose sum is 79356480
The reverse of 68939969 is 96993986
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
sixty-eight million nine hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
6.8939969 × 10^7
Engineering notation
6.8939969 × 10^6
Prime Factorization
7 × 139 × 70853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68939969
Product of the distinct prime numbers
The prime factorization of 68939969 is 7 × 139 × 70853.
Since it has a total of 3 prime factors.
5 , 3 , 29 , 72 , 821 , 312 , 7496 , 7136 , 9940 , 64279 , 798953 , 494446 , 4813633 , 1097995 , 44270362 , 90720768 , 19076180 , 671181186 , 8006380490 , 8529752413
n×2
137879938
n×3
206819907
n×4
275759876
n×5
344699845
n÷2
34469984.5
n÷3
22979989.666667
n÷3
17234992.25
n÷5
13787993.8
n2
4752719325720961
n3
3.276523229809E+23
n4
2.2588340989082E+31
n5
1.5572395275487E+39
2 √n
8303.0096350661
3 √n
410.03761106484
4 √n
91.120851812667
5 √n
36.956787838948
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
-68939968
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 68939969 can be divided by 8 positive divisors.
The sum of these divisors (counting 68939969) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110111111000011000001
3
Ternary
11210201111212012
4
Quaternary
10012333003001
5
Quinary
120122034334
6
Senary
10501342305
8
Octal
406770301
10
Decimal
68939969
12
Duodecimal
1b107995
16
Hexadecimal
41bf0c1
20
Vigesimal
11ah9i9
36
Base36
151mf5
md5
f81794b0b371eba3360cfd60e682bc2a
sha1
063a451130bba29024a3f732d99bee10844c3bd3
sha256
01978c8b9483794595779f834bcbd5554a8510fc0ca2f2762c6bcc7408ffa212
sha512
aea8205ba0df7349cc0219f59101b321651911602588444d4a6758b526fefbbcd996a9d4348e9673244e5440a5c0f1931fd463465ac000935cf38dbeac030907
ripemd-160
4f88e3b2427fd092664d3ad359b17649993ce05b
Diameter
137879938
Circumference
433162600.29822
Area
1.4931108118259E+16
Volume
1.3724668410779E+24
Surface area
5.9724432473037E+16
Circumference
433162600.29822
Perimeter
275759876
Area
4752719325720961
Diagonal
97495839.149381
Surface area
28516315954325766
Volume
3.276523229809E+23
Space diagonal
119407528.98022
Perimeter
206819907
Area
2.0579878365658E+15
Altitude
59703764.490112
Surface area
2.0579878365658E+15
Volume
3.861419657522E+22
Height
32498613.049794