20138438 is an even 8-digits composite number following 20138437
and preceding 20138439 . In scientific notation, it is written as 2.0138438 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9476896 positive integers (up to 20138438) that are relatively prime to 20138438.
20138438 has 8 divisors, whose sum is 31984632
The reverse of 20138438 is 83483102
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred thirty-eight thousand four hundred thirty-eight
Scientific notation
2.0138438 × 10^7
Engineering notation
2.0138438 × 10^6
Prime Factorization
2 × 17 × 592307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138438
Product of the distinct prime numbers
The prime factorization of 20138438 is 2 × 17 × 592307.
Since it has a total of 3 prime factors.
10 , 2 , 70 , 33 , 270 , 198 , 8102 , 4887 , 36666 , 85080 , 683273 , 354830 , 6409198 , 5619991 , 29019105 , 73785763 , 320987227 , 572270640 , 5018891665 , 1429368996
n×2
40276876
n×3
60415314
n×4
80553752
n×5
100692190
n÷2
10069219
n÷3
6712812.6666667
n÷3
5034609.5
n÷5
4027687.6
n2
405556685079844
n3
8.167278157966E+21
n4
1.6447622481295E+29
n5
3.3122942558697E+36
2 √n
4487.5871022187
3 √n
272.06661971122
4 √n
66.989455156903
5 √n
28.893832875338
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
-20138437
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 20138438 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100100111000110
3
Ternary
1101220010202002
4
Quaternary
1030310213012
5
Quinary
20123412223
6
Senary
1555345302
8
Octal
114644706
10
Decimal
20138438
12
Duodecimal
68b2232
16
Hexadecimal
13349c6
20
Vigesimal
65h61i
36
Base36
bzmx2
md5
4de9a4c4a52a355fbd0515c93787e87c
sha1
736d32e91ffa0ce06d5f9a6991f58d2c672caaf4
sha256
4bca965a461487158fe0dd7732d2513f2ee78f408b2f0954e3d3e46d87f70a43
sha512
96815787e508b42fed3432f5a2ab24e53a357a43634263efbbf18d7210b2b6df6bb90839ece7ac060113da73256da04d5ed6fe18b1abf4bcde4e33d536db1af3
ripemd-160
a10afdbd4ed1d383137e6651b06631f274fbff3e
Diameter
40276876
Circumference
126533537.75115
Area
1.2740939024611E+15
Volume
3.4211014747854E+22
Surface area
5.0963756098443E+15
Circumference
126533537.75115
Perimeter
80553752
Area
405556685079844
Diagonal
28480052.14461
Surface area
2433340110479064
Volume
8.167278157966E+21
Space diagonal
34880797.801076
Perimeter
60415314
Area
1.7561119597688E+14
Altitude
17440398.900538
Surface area
1.7561119597688E+14
Volume
9.6252296155575E+20
Height
9493350.7148699