20138443 is an odd 8-digits composite number following 20138442
and preceding 20138444 . In scientific notation, it is written as 2.0138443 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18353088 positive integers (up to 20138443) that are relatively prime to 20138443.
20138443 has 8 divisors, whose sum is 21963200
The reverse of 20138443 is 34483102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand four hundred forty-three
Scientific notation
2.0138443 × 10^7
Engineering notation
2.0138443 × 10^6
Prime Factorization
79 × 13 × 19609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138443
Product of the distinct prime numbers
The prime factorization of 20138443 is 79 × 13 × 19609.
Since it has a total of 3 prime factors.
4 , 6 , 7 , 28 , 58 , 445 , 7350 , 3164 , 69599 , 83140 , 512565 , 957620 , 5223669 , 5531183 , 40792645 , 76639307 , 983289099 , 837869029 , 6528297678 , 7806889333
n×2
40276886
n×3
60415329
n×4
80553772
n×5
100692215
n÷2
10069221.5
n÷3
6712814.3333333
n÷3
5034610.75
n÷5
4027688.6
n2
405556886464249
n3
8.1672842413177E+21
n4
1.6447638815858E+29
n5
3.3122983677774E+36
2 √n
4487.587659311
3 √n
272.06664222758
4 √n
66.989459314962
5 √n
28.893834310098
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
-20138442
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 20138443 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138443) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100100111001011
3
Ternary
1101220010202021
4
Quaternary
1030310213023
5
Quinary
20123412233
6
Senary
1555345311
8
Octal
114644713
10
Decimal
20138443
12
Duodecimal
68b2237
16
Hexadecimal
13349cb
20
Vigesimal
65h623
36
Base36
bzmx7
md5
ecf6aa9e61f86fb7e5148d9695d380cf
sha1
ba72aa3b94d31383fae2ff996944db8adc146b06
sha256
ba11b1b4cd2c71f79fb9f045f937e0abea906cca06711e624414eae9c1b322d4
sha512
e472018baf4ea1b8387c4f0d56560c17c3c9fa3adbb5d8304fa071cdc898bb34cc9f1ac5751d2a5ccea9462cc9bf4f5e37920415d492d2216d2839e8244c2767
ripemd-160
4455a48b7c7b379043052b75e25583fc4dfab6f7
Diameter
40276886
Circumference
126533569.16707
Area
1.2740945351288E+15
Volume
3.4211040229738E+22
Surface area
5.0963781405153E+15
Circumference
126533569.16707
Perimeter
80553772
Area
405556886464249
Diagonal
28480059.215678
Surface area
2433341318785494
Volume
8.1672842413177E+21
Space diagonal
34880806.46133
Perimeter
60415329
Area
1.7561128317888E+14
Altitude
17440403.230665
Surface area
1.7561128317888E+14
Volume
9.6252367848563E+20
Height
9493353.0718925