20138 is an even 5-digits composite number following 20137
and preceding 20139 . In scientific notation, it is written as 2.0138 × 10^4.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 10068 positive integers (up to 20138) that are relatively prime to 20138.
20138 has 4 divisors, whose sum is 30210
The reverse of 20138 is 83102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 14
Digital Root 5
Name
twenty thousand one hundred thirty-eight
Scientific notation
2.0138 × 10^4
Engineering notation
2.0138 × 10^3
Prime Factorization
2 × 10069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138
Product of the distinct prime numbers
The prime factorization of 20138 is 2 × 10069.
Since it has a total of 2 prime factors.
6 , 8 , 38 , 20 , 543 , 608 , 6635 , 8808 , 61603 , 71078 , 765428 , 75209 , 1444932 , 9718514 , 49117016 , 7051477 , 817013 , 258215763 , 9658472781 , 7520122661
n×2
40276
n×3
60414
n×4
80552
n×5
100690
n÷2
10069
n÷3
6712.6666666667
n÷3
5034.5
n÷5
4027.6
n2
405539044
n3
8166745268072
n4
164461916208433936
n5
3.3119340686054E+21
2 √n
141.90842117366
3 √n
27.206464726358
4 √n
11.912532105881
5 √n
7.2577711044651
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
-20137
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 20138 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111010101010
3
Ternary
1000121212
4
Quaternary
10322222
5
Quinary
1121023
6
Senary
233122
8
Octal
47252
10
Decimal
20138
12
Duodecimal
b7a2
16
Hexadecimal
4eaa
20
Vigesimal
2a6i
36
Base36
fje
md5
5fd3864b73ab0f55a568774e589ccfcf
sha1
1c93dc731839f2b14ebc096c22fac2a348615a7e
sha256
de194c1d100fbe93da65330694f3dce580bb5f1123df872afaf3a2e9fabf553b
sha512
8b5d8f160a307c439094cdcdc74c604451167187602fe4082b38c56bfdfecc6617ed7046fc96aa5f2546584d886edac512aae9847c5e07be1b82bbd65b3e9145
ripemd-160
ac83c1faf561ca175eacdb31ace2d8d511dda4c9
Diameter
40276
Circumference
126530.78571598
Area
1274038481.3742
Volume
34208782583886
Surface area
5096153925.4969
Circumference
126530.78571598
Perimeter
80552
Area
405539044
Diagonal
28479.432719069
Surface area
2433234264
Volume
8166745268072
Space diagonal
34880.039162822
Perimeter
60414
Area
175603557.16523
Altitude
17440.019581411
Surface area
175603557.16523
Volume
962460159879.48
Height
9493.1442396898