20138944 (number)

20138944 is an even 8-digits composite number following 20138943 and preceding 20138945. In scientific notation, it is written as 2.0138944 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors. There are 8630784 positive integers (up to 20138944) that are relatively prime to 20138944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138944 × 10^7
Engineering notation 2.0138944 × 10^6

Prime Factorization of 20138944

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 44953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 629342
Product of the distinct prime numbers

The prime factorization of 20138944 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 44953. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138944)

Multiplication

n×y
n×2 40277888
n×3 60416832
n×4 80555776
n×5 100694720

Division

n÷y
n÷2 10069472
n÷3 6712981.3333333
n÷3 5034736
n÷5 4027788.8

Exponentiation

ny
n2 405577065435136
n3 8.1678938084825E+21
n4 1.6449275600698E+29
n5 3.3127104016302E+36

Nth Root

y√n
2√n 4487.6434796004
3√n 272.068898348
4√n 66.989875948537
5√n 28.893978071629

Divisors of 20138944

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138944 can be divided by 28 positive divisors. The sum of these divisors (counting 20138944) is 1, the average is 0.035714285714286.

Base conversion 20138944

Base System Value
2 Binary 1001100110100101111000000
3 Ternary 1101220011102211
4 Quaternary 1030310233000
5 Quinary 20123421234
6 Senary 1555351504
8 Octal 114645700
10 Decimal 20138944
12 Duodecimal 68b2594
16 Hexadecimal 1334bc0
20 Vigesimal 65h774
36 Base36 bznb4

Cryptographic Hash Functions

md5 03bfddf90304eb03610b7deb530f20cd
sha1 639f365fb04ce6d16f9dfdff9ed242d356e66999
sha256 6739bdebd157ea02848f56f43e191ae2e2b6b1efd1ae4e41b132e653a491d5a9
sha512 7613087d73546db3eae726ebc57dfaef0e476e245ccc78444b6dd97eb0d9fb6d1f3c5885290b2cc46975498b306356a29f806eb53c218617364a6d21ca9d7c2c
ripemd-160 37379276ff0b87774b28feea4c64a103c8590e6b

20138944 as geometric shapes

Circle

Radius = n
Diameter 40277888
Circumference 126536717.04291
Area 1.2741579292355E+15

Sphere

Radius = n
Volume 3.4213593578707E+22
Surface area 5.0966317169421E+15
Circumference 126536717.04291

Square

Length = n
Perimeter 80555776
Area 405577065435136
Diagonal 28480767.736672

Cube

Length = n
Surface area 2433462392610816
Volume 8.1678938084825E+21
Space diagonal 34881674.218784

Equilateral Triangle

Length = n
Perimeter 60416832
Area 1.7562002092959E+14
Altitude 17440837.109392

Triangular Pyramid

Length = n
Surface area 1.7562002092959E+14
Volume 9.6259551666494E+20
Height 9493589.2455574