68939968 is an even 8-digits composite number following 68939967
and preceding 68939969 . In scientific notation, it is written as 6.8939968 × 10^7.
The sum of its digits is 58. It has a total of 8 prime factors and 28 positive divisors.
There are 34290432 positive integers (up to 68939968) that are relatively prime to 68939968.
68939968 has 28 divisors, whose sum is 137515600
The reverse of 68939968 is 86993986
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
sixty-eight million nine hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
6.8939968 × 10^7
Engineering notation
6.8939968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 199 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2154374
Product of the distinct prime numbers
The prime factorization of 68939968 is 2 × 2 × 2 × 2 × 2 × 2 × 199 × 5413.
Since it has a total of 8 prime factors.
10 , 5 , 89 , 35 , 600 , 334 , 4902 , 1414 , 29771 , 31233 , 576603 , 739751 , 1795913 , 5662808 , 6835151 , 42908192 , 296157479 , 168932055 , 9527893832 , 5887489615
n×2
137879936
n×3
206819904
n×4
275759872
n×5
344699840
n÷2
34469984
n÷3
22979989.333333
n÷3
17234992
n÷5
13787993.6
n2
4752719187841024
n3
3.2765230872275E+23
n4
2.2588339678472E+31
n5
1.557239414607E+39
2 √n
8303.0095748469
3 √n
410.03760908226
4 √n
91.120851482232
5 √n
36.956787731734
1 , 2 , 4 , 8 , 16 , 32 , 64 , 199 , 398 , 796 , 1592 , 3184 , 5413 , 6368 , 10826 , 12736 , 21652 , 43304 , 86608 , 173216 , 346432 , 1077187 , 2154374 , 4308748 , 8617496 , 17234992 , 34469984 , 68939968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68939967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68939968 can be divided by 28 positive divisors.
The sum of these divisors (counting 68939968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100000110111111000011000000
3
Ternary
11210201111212011
4
Quaternary
10012333003000
5
Quinary
120122034333
6
Senary
10501342304
8
Octal
406770300
10
Decimal
68939968
12
Duodecimal
1b107994
16
Hexadecimal
41bf0c0
20
Vigesimal
11ah9i8
36
Base36
151mf4
md5
df1bddaaf3848675023ae42782b2abb4
sha1
3caef7bf4501f7dfa3f7e61aa6a442816cc4c9cc
sha256
a261395e04f8eaa97f161fdc5075d9569eedfe3cb88b47e58dc3955a7cb44cc5
sha512
482a783e32ef26bfdb6d5c684f2212a747cdd485a18a3268561ff586d446dde99acc8e3525edec0b4b4318e48f5de5e82aa21cd7e021a68104860a39b2b3ebe8
ripemd-160
dbdc1209995fc17d9b6e0743f7ac8eaedb4ab8e7
Diameter
137879936
Circumference
433162594.01503
Area
1.4931107685097E+16
Volume
1.3724667813535E+24
Surface area
5.9724430740386E+16
Circumference
433162594.01503
Perimeter
275759872
Area
4752719187841024
Diagonal
97495837.735167
Surface area
28516315127046144
Volume
3.2765230872275E+23
Space diagonal
119407527.24817
Perimeter
206819904
Area
2.057987776862E+15
Altitude
59703763.624086
Surface area
2.057987776862E+15
Volume
3.861419489488E+22
Height
32498612.578389