642238 is an even 6-digits composite number following 642237
and preceding 642239 . In scientific notation, it is written as 6.42238 × 10^5.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 304200 positive integers (up to 642238) that are relatively prime to 642238.
642238 has 8 divisors, whose sum is 1014120
The reverse of 642238 is 832246
Previous prime number is 19
Is Prime? no
Number parity even
Number length 6
Sum of Digits 25
Digital Root 7
Name
six hundred forty-two thousand two hundred thirty-eight
Scientific notation
6.42238 × 10^5
Engineering notation
6.42238 × 10^3
Prime Factorization
2 × 19 × 16901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642238
Product of the distinct prime numbers
The prime factorization of 642238 is 2 × 19 × 16901.
Since it has a total of 3 prime factors.
4 , 2 , 7 , 82 , 390 , 192 , 7531 , 3146 , 98103 , 7910 , 147762 , 365251 , 4013173 , 4779181 , 33357100 , 53068332 , 278277522 , 200903842 , 2903041707 , 3833405531
n×2
1284476
n×3
1926714
n×4
2568952
n×5
3211190
n÷2
321119
n÷3
214079.33333333
n÷3
160559.5
n÷5
128447.6
n2
412469648644
n3
264903682205825272
n4
1.701312110525E+23
n5
1.0926472872394E+29
2 √n
801.39752931988
3 √n
86.277721258002
4 √n
28.308965528961
5 √n
14.505716978454
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
-642237
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 642238 can be divided by 8 positive divisors.
The sum of these divisors (counting 642238) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011100110010111110
3
Ternary
1012121222121
4
Quaternary
2130302332
5
Quinary
131022423
6
Senary
21433154
8
Octal
2346276
10
Decimal
642238
12
Duodecimal
26b7ba
16
Hexadecimal
9ccbe
20
Vigesimal
405bi
36
Base36
drjy
md5
4ae62577c447244a3b73bcac46319b3b
sha1
2c52c24365c309140b6278e17bf30d7564adb1e8
sha256
f72516db37bc4510a1b168e9f3e777fbc4ee8bbf61f80433981ee2ab6cf15e29
sha512
37b6d53bc9f6edf3fc4ea4a0f6f21f104e5022310b20e37bff7b5c1980d83084b774e5b800400866a2b7cd87d48952af73831f94a6afe0481218c9b7c6da3aa4
ripemd-160
2be65afdf84b9c1dfc08d3d4dd5b5f7bcfbc2220
Diameter
1284476
Circumference
4035300.3653124
Area
1295811618008.8
Volume
1.1096259492356E+18
Surface area
5183246472035
Circumference
4035300.3653124
Perimeter
2568952
Area
412469648644
Diagonal
908261.68987137
Surface area
2474817891864
Volume
264903682205825272
Space diagonal
1112388.8465514
Perimeter
1926714
Area
178604597007.87
Altitude
556194.42327571
Surface area
178604597007.87
Volume
3.1219198341504E+16
Height
302753.89662379