68389439 is an odd 8-digits prime number following 68389438
and preceding 68389440 . In scientific notation, it is written as 6.8389439 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 68389438 positive integers (up to 68389439) that are relatively prime to 68389439.
68389439 has 2 divisors, whose sum is 68389440
The reverse of 68389439 is 93498386
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
sixty-eight million three hundred eighty-nine thousand four hundred thirty-nine
Scientific notation
6.8389439 × 10^7
Engineering notation
6.8389439 × 10^6
Prime Factorization
68389439
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
68389439 Product of the distinct prime numbers
The prime factorization of 68389439 is 68389439.
Since it has a total of 1 prime factors.
6 , 9 , 88 , 17 , 421 , 730 , 5184 , 2219 , 68384 , 99910 , 81864 , 541793 , 7787895 , 6854289 , 39918183 , 97277243 , 244507038 , 799410005 , 6410212092 , 6487245896
n×2
136778878
n×3
205168317
n×4
273557756
n×5
341947195
n÷2
34194719.5
n÷3
22796479.666667
n÷3
17097359.75
n÷5
13677887.8
n2
4677115366734721
n3
3.1986529606927E+23
n4
2.1875408153746E+31
n5
1.4960468915307E+39
2 √n8269.7907470504
3 √n408.94322137514
4 √n90.938389841971
5 √n36.897573645403
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
68389440 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34194720 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8269.7908075114 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999707557 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68389439 can be divided by 2 positive divisors.
The sum of these divisors (counting 68389439) is 68389440, the average is 34194720.
Base
System
Value
2
Binary
100000100111000101000111111
3
Ternary
11202200112200012
4
Quaternary
10010320220333
5
Quinary
120001430224
6
Senary
10441453435
8
Octal
404705077
10
Decimal
68389439
12
Duodecimal
1aaa127b
16
Hexadecimal
4138a3f
20
Vigesimal
1178dbj
36
Base36
14ptmn
md5
fdb31ff7ac9fe01ebb1370d2b6722c0f
sha1
1dab4a51f945e3f9f877654d19820798cdd81a33
sha256
b96bce7444be9517b32a95ce20b81229eff5adcf30764a5a07cb1f72144c7ed0
sha512
10fa56dfa9c141d19787758466babacb15080a423b849746989e238e059dec02e80218b58f9222dc3bafc64081376102882254fb2e89939066c7716e7e14c260
ripemd-160
39d0f5d84856592a39e501136d54cb5a92a860af
Diameter
136778878
Circumference
429703518.29105
Area
1.4693591276126E+16
Volume
1.339848619026E+24
Surface area
5.8774365104503E+16
Circumference
429703518.29105
Perimeter
273557756
Area
4677115366734721
Diagonal
96717272.156887
Surface area
28062692200408326
Volume
3.1986529606927E+23
Space diagonal
118453983.04913
Perimeter
205168317
Area
2.0252503620114E+15
Altitude
59226991.524566
Surface area
2.0252503620114E+15
Volume
3.7696486652804E+22
Height
32239090.718962