68638238 is an even 8-digits composite number following 68638237
and preceding 68638239 . In scientific notation, it is written as 6.8638238 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 34319118 positive integers (up to 68638238) that are relatively prime to 68638238.
68638238 has 4 divisors, whose sum is 102957360
The reverse of 68638238 is 83283686
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million six hundred thirty-eight thousand two hundred thirty-eight
Scientific notation
6.8638238 × 10^7
Engineering notation
6.8638238 × 10^6
Prime Factorization
2 × 34319119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68638238
Product of the distinct prime numbers
The prime factorization of 68638238 is 2 × 34319119.
Since it has a total of 2 prime factors.
7 , 1 , 14 , 12 , 465 , 523 , 6369 , 3598 , 42916 , 41275 , 243660 , 546356 , 9628970 , 4608016 , 82206981 , 5399937 , 645863489 , 600919784 , 8650072737 , 9640493134
n×2
137276476
n×3
205914714
n×4
274552952
n×5
343191190
n÷2
34319119
n÷3
22879412.666667
n÷3
17159559.5
n÷5
13727647.6
n2
4711207715744644
n3
3.2336899646072E+23
n4
2.2195478140892E+31
n5
1.5234585111583E+39
2 √n
8284.8197324987
3 √n
409.43852948754
4 √n
91.020985121557
5 √n
36.924381146352
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68638237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68638238 can be divided by 4 positive divisors.
The sum of these divisors (counting 68638238) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000101110101011000011110
3
Ternary
11210011011221222
4
Quaternary
10011311120132
5
Quinary
120032410423
6
Senary
10451053342
8
Octal
405653036
10
Decimal
68638238
12
Duodecimal
1aba1252
16
Hexadecimal
417561e
20
Vigesimal
118jfbi
36
Base36
14v5lq
md5
327b585b2fc0d761177dd0de1c248011
sha1
f0749b3b6fdf701a30f62583568ed5ff075fc984
sha256
621d90e2a8b97f2c2881f3fa543164ebdb20b1887d1e60bed0ced2c747496638
sha512
5a2df22ca043896a92becb453bca30088354e7b852a11ef5a9b14860c845eb9f67c44adf68e4d9a3af29dd95759299c8c2f4181f6cecbaa4723c76ea221a4b70
ripemd-160
d1f9448b32f96f9a812550e9d11711be8959265a
Diameter
137276476
Circumference
431266768.5123
Area
1.4800695549319E+16
Volume
1.3545248849063E+24
Surface area
5.9202782197276E+16
Circumference
431266768.5123
Perimeter
274552952
Area
4711207715744644
Diagonal
97069127.076992
Surface area
28267246294467864
Volume
3.2336899646072E+23
Space diagonal
118884915.558
Perimeter
205914714
Area
2.0400127821701E+15
Altitude
59442457.779002
Surface area
2.0400127821701E+15
Volume
3.810940170381E+22
Height
32356375.692331