238 is an even 3-digits composite number following 237
and preceding 239 . In scientific notation, it is written as 2.38 × 10^2.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 96 positive integers (up to 238) that are relatively prime to 238.
238 has 8 divisors, whose sum is 432
The reverse of 238 is 832
Previous prime number is 7
Is Prime? no
Number parity even
Number length 3
Sum of Digits 13
Digital Root 4
Name
two hundred thirty-eight
Scientific notation
2.38 × 10^2
Engineering notation
2.38 × 10^0
Prime Factorization
2 × 7 × 17
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
238
Product of the distinct prime numbers
The prime factorization of 238 is 2 × 7 × 17.
Since it has a total of 3 prime factors.
10 , 2 , 26 , 29 , 42 , 812 , 21 , 9820 , 88231 , 42189 , 273897 , 984549 , 5471717 , 8374564 , 78665882 , 93701136 , 744894745 , 144337120 , 2416568887 , 4244157014
n×2
476
n×3
714
n×4
952
n×5
1190
n÷2
119
n÷3
79.333333333333
n÷3
59.5
n÷5
47.6
n2
56644
n3
13481272
n4
3208542736
n5
763633171168
2 √n
15.427248620542
3 √n
6.1971544347411
4 √n
3.9277536354183
5 √n
2.9875514376544
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
-237
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 238 can be divided by 8 positive divisors.
The sum of these divisors (counting 238) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101110
3
Ternary
22211
4
Quaternary
3232
5
Quinary
1423
6
Senary
1034
8
Octal
356
10
Decimal
238
12
Duodecimal
17a
16
Hexadecimal
ee
20
Vigesimal
bi
36
Base36
6m
md5
ac1dd209cbcc5e5d1c6e28598e8cbbe8
sha1
5b7d26c4d99b922929b7c30ce06be0fd58a71500
sha256
8ae4c23b80d1e7c8ff79e515fe791ebd68190bae842dda7af193db125f700452
sha512
20ed2c91533d4fe17b0cd6793e03a0e6a84396df6ee1715f8b256e06e9f09b006d42076a90be4092c471015b5980918c4dd15bd503f7ff9483b6032c36b96b11
ripemd-160
e335f21be97e346c795b39e24c69d75b66e62137
Diameter
476
Circumference
1495.3981031087
Area
177952.37426994
Volume
56470220.101661
Surface area
711809.49707976
Circumference
1495.3981031087
Perimeter
952
Area
56644
Diagonal
336.5828278448
Surface area
339864
Volume
13481272
Space diagonal
412.22809220139
Perimeter
714
Area
24527.571485983
Altitude
206.1140461007
Surface area
24527.571485983
Volume
1588783.1417034
Height
112.19427594827