20138423 (number)

20138423 is an odd 8-digits composite number following 20138422 and preceding 20138424. In scientific notation, it is written as 2.0138423 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18992448 positive integers (up to 20138423) that are relatively prime to 20138423.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138423 × 10^7
Engineering notation 2.0138423 × 10^6

Prime Factorization of 20138423

Prime Factorization 19 × 233 × 4549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138423
Product of the distinct prime numbers

The prime factorization of 20138423 is 19 × 233 × 4549. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138423)

Multiplication

n×y
n×2 40276846
n×3 60415269
n×4 80553692
n×5 100692115

Division

n÷y
n÷2 10069211.5
n÷3 6712807.6666667
n÷3 5034605.75
n÷5 4027684.6

Exponentiation

ny
n2 405556080926929
n3 8.1672599079287E+21
n4 1.6447573477681E+29
n5 3.3122819201712E+36

Nth Root

y√n
2√n 4487.5854309417
3√n 272.06655216212
4√n 66.989442682722
5√n 28.893828571055

Divisors of 20138423

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 -20138422
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 20138423 can be divided by 8 positive divisors. The sum of these divisors (counting 20138423) is 1, the average is 0.125.

Base conversion 20138423

Base System Value
2 Binary 1001100110100100110110111
3 Ternary 1101220010201112
4 Quaternary 1030310212313
5 Quinary 20123412143
6 Senary 1555345235
8 Octal 114644667
10 Decimal 20138423
12 Duodecimal 68b221b
16 Hexadecimal 13349b7
20 Vigesimal 65h613
36 Base36 bzmwn

Cryptographic Hash Functions

md5 03bf892016afdb4a219cd6052e9cd3f2
sha1 975cca57161eebf88a584c492cd56ec07e57e2a0
sha256 e6ea290008fb70ae4f9a7ea2a7ee00ee88cc024b1c5605aadad5ad5ef2fae52b
sha512 43ce5e1b18f063c15289322c4256311767c9f53575fbc5b06b7692ece8e5ffbe23a87c90f4ef7a7f6bdd757ffb6acad7981e17cb5b9e89034586987722c22449
ripemd-160 a7758bae2c3cb4bf5848deb576b474f0b5f9d573

20138423 as geometric shapes

Circle

Radius = n
Diameter 40276846
Circumference 126533443.50337
Area 1.2740920044587E+15

Sphere

Radius = n
Volume 3.4210938302276E+22
Surface area 5.0963680178348E+15
Circumference 126533443.50337

Square

Length = n
Perimeter 80553692
Area 405556080926929
Diagonal 28480030.931406

Cube

Length = n
Surface area 2433336485561574
Volume 8.1672599079287E+21
Space diagonal 34880771.820314

Equilateral Triangle

Length = n
Perimeter 60415269
Area 1.7561093437099E+14
Altitude 17440385.910157

Triangular Pyramid

Length = n
Surface area 1.7561093437099E+14
Volume 9.6252081076824E+20
Height 9493343.6438021