68389639 is an odd 8-digits prime number following 68389638
and preceding 68389640 . In scientific notation, it is written as 6.8389639 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 68389638 positive integers (up to 68389639) that are relatively prime to 68389639.
68389639 has 2 divisors, whose sum is 68389640
The reverse of 68389639 is 93698386
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
sixty-eight million three hundred eighty-nine thousand six hundred thirty-nine
Scientific notation
6.8389639 × 10^7
Engineering notation
6.8389639 × 10^6
Prime Factorization
68389639
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
68389639 Product of the distinct prime numbers
The prime factorization of 68389639 is 68389639.
Since it has a total of 1 prime factors.
5 , 9 , 58 , 92 , 84 , 957 , 7123 , 5912 , 20270 , 30821 , 897996 , 20792 , 7909601 , 7487282 , 15195678 , 57892204 , 850103970 , 42489334 , 146728313 , 4373691114
n×2
136779278
n×3
205168917
n×4
273558556
n×5
341948195
n÷2
34194819.5
n÷3
22796546.333333
n÷3
17097409.75
n÷5
13677927.8
n2
4677142722550321
n3
3.1986810234669E+23
n4
2.1875664047105E+31
n5
1.4960687670668E+39
2 √n8269.8028392459
3 √n408.94362001644
4 √n90.938456327595
5 √n36.897595226238
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
68389640 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34194820 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8269.8028997069 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999707558 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68389639 can be divided by 2 positive divisors.
The sum of these divisors (counting 68389639) is 68389640, the average is 34194820.
Base
System
Value
2
Binary
100000100111000101100000111
3
Ternary
11202200112221121
4
Quaternary
10010320230013
5
Quinary
120001432024
6
Senary
10441454411
8
Octal
404705407
10
Decimal
68389639
12
Duodecimal
1aaa1407
16
Hexadecimal
4138b07
20
Vigesimal
1178e1j
36
Base36
14pts7
md5
07d78c9d3188629f48b4490fc9daf6ca
sha1
3eb239d04ac5465212f4675568419c9f705d8665
sha256
6407259d3f267f26daf24242f627deb729a325e94c86b694dd39aa0fc7f5023b
sha512
a27114353589d3e312ccc7568bd06ca548c57f5ca46daf3f5396ef4b406aa51c28f0a808c25303159217888d4ec4e7953afee5407498bbe6867404e12898fcca
ripemd-160
d8b5b940875ecdad4a4e25d132d0c29e10300c5b
Diameter
136779278
Circumference
429704774.92812
Area
1.4693677216955E+16
Volume
1.3398603739334E+24
Surface area
5.877470886782E+16
Circumference
429704774.92812
Perimeter
273558556
Area
4677142722550321
Diagonal
96717554.9996
Surface area
28062856335301926
Volume
3.1986810234669E+23
Space diagonal
118454329.45929
Perimeter
205168917
Area
2.025262207427E+15
Altitude
59227164.729647
Surface area
2.025262207427E+15
Volume
3.769681737577E+22
Height
32239184.999867