20138438 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand four hundred thirty-eight

Notation

Scientific notation 2.0138438 × 10^7
Engineering notation 2.0138438 × 10^6

Prime Factorization of 20138438

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.

Most popular turbo-numbers

Basic calculations (n = 20138438)

Multiplication

n×y
n×2 40276876
n×3 60415314
n×4 80553752
n×5 100692190

Division

n÷y
n÷2 10069219
n÷3 6712812.6666667
n÷3 5034609.5
n÷5 4027687.6

Exponentiation

ny
n2 405556685079844
n3 8.167278157966E+21
n4 1.6447622481295E+29
n5 3.3122942558697E+36

Nth Root

y√n
2√n 4487.5871022187
3√n 272.06661971122
4√n 66.989455156903
5√n 28.893832875338

Divisors of 20138438

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 conversion 20138438

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

Cryptographic Hash Functions

md5 4de9a4c4a52a355fbd0515c93787e87c
sha1 736d32e91ffa0ce06d5f9a6991f58d2c672caaf4
sha256 4bca965a461487158fe0dd7732d2513f2ee78f408b2f0954e3d3e46d87f70a43
sha512 96815787e508b42fed3432f5a2ab24e53a357a43634263efbbf18d7210b2b6df6bb90839ece7ac060113da73256da04d5ed6fe18b1abf4bcde4e33d536db1af3
ripemd-160 a10afdbd4ed1d383137e6651b06631f274fbff3e

20138438 as geometric shapes

Circle

Radius = n
Diameter 40276876
Circumference 126533537.75115
Area 1.2740939024611E+15

Sphere

Radius = n
Volume 3.4211014747854E+22
Surface area 5.0963756098443E+15
Circumference 126533537.75115

Square

Length = n
Perimeter 80553752
Area 405556685079844
Diagonal 28480052.14461

Cube

Length = n
Surface area 2433340110479064
Volume 8.167278157966E+21
Space diagonal 34880797.801076

Equilateral Triangle

Length = n
Perimeter 60415314
Area 1.7561119597688E+14
Altitude 17440398.900538

Triangular Pyramid

Length = n
Surface area 1.7561119597688E+14
Volume 9.6252296155575E+20
Height 9493350.7148699