20138437 is an odd 8-digits composite number following 20138436
and preceding 20138438 . In scientific notation, it is written as 2.0138437 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 17452800 positive integers (up to 20138437) that are relatively prime to 20138437.
20138437 has 16 divisors, whose sum is 23016960
The reverse of 20138437 is 73483102
Previous prime number is 809
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-eight thousand four hundred thirty-seven
Scientific notation
2.0138437 × 10^7
Engineering notation
2.0138437 × 10^6
Prime Factorization
11 × 31 × 809 × 73
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138437
Product of the distinct prime numbers
The prime factorization of 20138437 is 11 × 31 × 809 × 73.
Since it has a total of 4 prime factors.
4 , 3 , 70 , 52 , 447 , 426 , 7274 , 6282 , 48211 , 14371 , 843434 , 107975 , 8002736 , 8413594 , 81531540 , 3303429 , 219269777 , 627043711 , 7443678761 , 3491171941
n×2
40276874
n×3
60415311
n×4
80553748
n×5
100692185
n÷2
10069218.5
n÷3
6712812.3333333
n÷3
5034609.25
n÷5
4027687.4
n2
405556644802969
n3
8.167276941296E+21
n4
1.6447619214384E+29
n5
3.3122934334886E+36
2 √n
4487.5869908003
3 √n
272.06661520795
4 √n
66.989454325291
5 √n
28.893832588386
1 , 11 , 31 , 73 , 341 , 803 , 809 , 2263 , 8899 , 24893 , 25079 , 59057 , 275869 , 649627 , 1830767 , 20138437
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138437 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138437) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100111000101
3
Ternary
1101220010202001
4
Quaternary
1030310213011
5
Quinary
20123412222
6
Senary
1555345301
8
Octal
114644705
10
Decimal
20138437
12
Duodecimal
68b2231
16
Hexadecimal
13349c5
20
Vigesimal
65h61h
36
Base36
bzmx1
md5
20a8ff61fb12586f72edd0408d069c68
sha1
71a8dc03025ac85221cdb072f03e87f891bd8bbf
sha256
75e803841e654abdbe18ebd04cceaf211f9a5c103de4a0bd110f416e9700f1b9
sha512
b8aea3672114114a1c38980d772afeaad1a78604e58da70e0f4d9a7bf013851ff02d9a039ca5f03be48875b44db9e372da3ce80e9801ca56175ecce811a90527
ripemd-160
09508b8aff6c7a6e4bb869aa18618144e5f80a96
Diameter
40276874
Circumference
126533531.46796
Area
1.2740937759275E+15
Volume
3.4211009651478E+22
Surface area
5.0963751037101E+15
Circumference
126533531.46796
Perimeter
80553748
Area
405556644802969
Diagonal
28480050.730396
Surface area
2433339868817814
Volume
8.167276941296E+21
Space diagonal
34880796.069025
Perimeter
60415311
Area
1.7561117853648E+14
Altitude
17440398.034512
Surface area
1.7561117853648E+14
Volume
9.6252281816982E+20
Height
9493350.2434654