20138942 (number)

20138942 is an even 8-digits composite number following 20138941 and preceding 20138943. In scientific notation, it is written as 2.0138942 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 9898744 positive integers (up to 20138942) that are relatively prime to 20138942.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred forty-two

Notation

Scientific notation 2.0138942 × 10^7
Engineering notation 2.0138942 × 10^6

Prime Factorization of 20138942

Prime Factorization 2 × 59 × 170669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138942
Product of the distinct prime numbers

The prime factorization of 20138942 is 2 × 59 × 170669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138942)

Multiplication

n×y
n×2 40277884
n×3 60416826
n×4 80555768
n×5 100694710

Division

n÷y
n÷2 10069471
n÷3 6712980.6666667
n÷3 5034735.5
n÷5 4027788.4

Exponentiation

ny
n2 405576984879364
n3 8.1678913750204E+21
n4 1.6449269066384E+29
n5 3.3127087567029E+36

Nth Root

y√n
2√n 4487.6432567663
3√n 272.06888934161
4√n 66.989874285345
5√n 28.893977497736

Divisors of 20138942

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 -20138941
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 20138942 can be divided by 8 positive divisors. The sum of these divisors (counting 20138942) is 1, the average is 0.125.

Base conversion 20138942

Base System Value
2 Binary 1001100110100101110111110
3 Ternary 1101220011102202
4 Quaternary 1030310232332
5 Quinary 20123421232
6 Senary 1555351502
8 Octal 114645676
10 Decimal 20138942
12 Duodecimal 68b2592
16 Hexadecimal 1334bbe
20 Vigesimal 65h772
36 Base36 bznb2

Cryptographic Hash Functions

md5 692352bdb9deae6613ed014648bc86c3
sha1 e7ceff018321586dc320ea4385d64a9d7848c15d
sha256 41c4b47fb1dbc0b128b3d0aad41a0e411fbfab674701af8420b502bef78339f2
sha512 0280c4649ef049efd7fdf7f15e58bbeb87bc95422d0bf37cb8a993972929753247c58cde8490540056a09d1f4ccec0e3de1a81398faaa73682250afb99c256ec
ripemd-160 6f81cd55cc418cf25b18dfdcdbf9c2455ab440f1

20138942 as geometric shapes

Circle

Radius = n
Diameter 40277884
Circumference 126536704.47654
Area 1.2741576761621E+15

Sphere

Radius = n
Volume 3.4213583385445E+22
Surface area 5.0966307046484E+15
Circumference 126536704.47654

Square

Length = n
Perimeter 80555768
Area 405576984879364
Diagonal 28480764.908245

Cube

Length = n
Surface area 2433461909276184
Volume 8.1678913750204E+21
Space diagonal 34881670.754683

Equilateral Triangle

Length = n
Perimeter 60416826
Area 1.7561998604791E+14
Altitude 17440835.377341

Triangular Pyramid

Length = n
Surface area 1.7561998604791E+14
Volume 9.6259522987867E+20
Height 9493588.3027484