638542 is an even 6-digits composite number following 638541
and preceding 638543 . In scientific notation, it is written as 6.38542 × 10^5.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 312432 positive integers (up to 638542) that are relatively prime to 638542.
638542 has 8 divisors, whose sum is 978336
The reverse of 638542 is 245836
Previous prime number is 47
Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1
Name
six hundred thirty-eight thousand five hundred forty-two
Scientific notation
6.38542 × 10^5
Engineering notation
6.38542 × 10^3
Prime Factorization
2 × 47 × 6793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638542
Product of the distinct prime numbers
The prime factorization of 638542 is 2 × 47 × 6793.
Since it has a total of 3 prime factors.
6 , 5 , 51 , 46 , 751 , 659 , 6381 , 4333 , 12745 , 50248 , 362857 , 605722 , 5832319 , 8063236 , 86334500 , 68449214 , 752893467 , 460799046 , 7537164150 , 7875946893
n×2
1277084
n×3
1915626
n×4
2554168
n×5
3192710
n÷2
319271
n÷3
212847.33333333
n÷3
159635.5
n÷5
127708.4
n2
407735885764
n3
260356487967516088
n4
1.6624855253975E+23
n5
1.0615668323584E+29
2 √n
799.08823042265
3 √n
86.111896890351
4 √n
28.268148691109
5 √n
14.488982692229
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
-638541
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 638542 can be divided by 8 positive divisors.
The sum of these divisors (counting 638542) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011011111001001110
3
Ternary
1012102220201
4
Quaternary
2123321032
5
Quinary
130413132
6
Senary
21404114
8
Octal
2337116
10
Decimal
638542
12
Duodecimal
26963a
16
Hexadecimal
9be4e
20
Vigesimal
3jg72
36
Base36
dopa
md5
561a9316f5dc7c4e47db8fbf72da2551
sha1
3d6603b633bd208350239cafa4dd13fd12a59ffe
sha256
906ec4222cebcdee8fdb471446f44da6c8c23792e20f819c2c24f29a670f8a94
sha512
8cbc294edd34514970ca73d11b2d539e4574984655ba1fa3a6d4f2e2c57de23bc32e8347907dfd8a4f7335fb899de8c74c0d18155b7f04d55207b507ec743926
ripemd-160
1c21752ba6dd59f25d4beb0b0cdea73e4b20c69d
Diameter
1277084
Circumference
4012077.7124171
Area
1280940063321.1
Volume
1.0905787065509E+18
Surface area
5123760253284.4
Circumference
4012077.7124171
Perimeter
2554168
Area
407735885764
Diagonal
903034.75654484
Surface area
2446415314584
Volume
260356487967516088
Space diagonal
1105987.1867666
Perimeter
1915626
Area
176554817553.09
Altitude
552993.59338332
Surface area
176554817553.09
Volume
3.0683306361291E+16
Height
301011.58551495