638345 is an odd 6-digits composite number following 638344
and preceding 638346 . In scientific notation, it is written as 6.38345 × 10^5.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 510672 positive integers (up to 638345) that are relatively prime to 638345.
638345 has 4 divisors, whose sum is 766020
The reverse of 638345 is 543836
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2
Name
six hundred thirty-eight thousand three hundred forty-five
Scientific notation
6.38345 × 10^5
Engineering notation
6.38345 × 10^3
Prime Factorization
5 × 127669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638345
Product of the distinct prime numbers
The prime factorization of 638345 is 5 × 127669.
Since it has a total of 2 prime factors.
5 , 10 , 91 , 98 , 645 , 855 , 5970 , 7127 , 37415 , 49818 , 966898 , 748457 , 2821439 , 7326717 , 97364321 , 64563978 , 744297062 , 507706112 , 90499884 , 5679076087
n×2
1276690
n×3
1915035
n×4
2553380
n×5
3191725
n÷2
319172.5
n÷3
212781.66666667
n÷3
159586.25
n÷5
127669
n2
407484339025
n3
260115590394913625
n4
1.6604348655064E+23
n5
1.0599302942217E+29
2 √n
798.96495542671
3 √n
86.103040365883
4 √n
28.265968149467
5 √n
14.488088567207
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
-638344
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 638345 can be divided by 4 positive divisors.
The sum of these divisors (counting 638345) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011011110110001001
3
Ternary
1012102122102
4
Quaternary
2123312021
5
Quinary
130411340
6
Senary
21403145
8
Octal
2336611
10
Decimal
638345
12
Duodecimal
2694b5
16
Hexadecimal
9bd89
20
Vigesimal
3jfh5
36
Base36
dojt
md5
69333ac94dd018f373a69b9ed70986f6
sha1
a17d9ec9668cccee1e0e568f0f44201b98b7eacb
sha256
e7a2dd90154f63d3434f6ee23bad5f2e52915dc58a6787d143be5b4431e89f49
sha512
caa1d99394a82782c00c6921000ffcf26ae490542ca7a1f5241cfc09241c503baebe0236c119c9289cd82c086aeb74cecc6d9e57e0caa93b96662726eae5f87b
ripemd-160
0dda1483566e39f6adec411d5289ac135b9b5046
Diameter
1276690
Circumference
4010839.9249116
Area
1280149805933.8
Volume
1.0895696371584E+18
Surface area
5120599223735.3
Circumference
4010839.9249116
Perimeter
2553380
Area
407484339025
Diagonal
902756.15647305
Surface area
2444906034150
Volume
260115590394913625
Space diagonal
1105645.9727576
Perimeter
1915035
Area
176445894619.98
Altitude
552822.98637878
Surface area
176445894619.98
Volume
3.0654916310098E+16
Height
300918.71882435