20138387 (number)

20138387 is an odd 8-digits composite number following 20138386 and preceding 20138388. In scientific notation, it is written as 2.0138387 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 18949152 positive integers (up to 20138387) that are relatively prime to 20138387.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand three hundred eighty-seven

Notation

Scientific notation 2.0138387 × 10^7
Engineering notation 2.0138387 × 10^6

Prime Factorization of 20138387

Prime Factorization 17 × 289 × 4099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138387
Product of the distinct prime numbers

The prime factorization of 20138387 is 17 × 289 × 4099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138387)

Multiplication

n×y
n×2 40276774
n×3 60415161
n×4 80553548
n×5 100691935

Division

n÷y
n÷2 10069193.5
n÷3 6712795.6666667
n÷3 5034596.75
n÷5 4027677.4

Exponentiation

ny
n2 405554630961769
n3 8.1672161079503E+21
n4 1.6447455869454E+29
n5 3.3122523146448E+36

Nth Root

y√n
2√n 4487.5814198742
3√n 272.06639004413
4√n 66.989412744658
5√n 28.893818240767

Divisors of 20138387

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 -20138386
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 20138387 can be divided by 8 positive divisors. The sum of these divisors (counting 20138387) is 1, the average is 0.125.

Base conversion 20138387

Base System Value
2 Binary 1001100110100100110010011
3 Ternary 1101220010200012
4 Quaternary 1030310212103
5 Quinary 20123412022
6 Senary 1555345135
8 Octal 114644623
10 Decimal 20138387
12 Duodecimal 68b21ab
16 Hexadecimal 1334993
20 Vigesimal 65h5j7
36 Base36 bzmvn

Cryptographic Hash Functions

md5 33582d87eb1dc6cfe22a690854d51e26
sha1 531ae6a4f9adb30d87b63b8126af55da175f9694
sha256 af083000f67ba9eda55e4a84a5daa5168e51affc538fab11fb8387401af251c0
sha512 b0c2c3a37cc5891bef4f52982c2dc315affdde225fdb77a87acfa50577dd8c7facb4bff00ddbd5ff64e178964c1ba633651b5141655e1eb3e964dfe380e15966
ripemd-160 4f96f4172f25b45728ac5da56027b2872f386a30

20138387 as geometric shapes

Circle

Radius = n
Diameter 40276774
Circumference 126533217.3087
Area 1.2740874492588E+15

Sphere

Radius = n
Volume 3.4210754833356E+22
Surface area 5.0963497970353E+15
Circumference 126533217.3087

Square

Length = n
Perimeter 80553548
Area 405554630961769
Diagonal 28479980.019718

Cube

Length = n
Surface area 2433327785770614
Volume 8.1672161079503E+21
Space diagonal 34880709.466485

Equilateral Triangle

Length = n
Perimeter 60415161
Area 1.7561030651766E+14
Altitude 17440354.733242

Triangular Pyramid

Length = n
Surface area 1.7561030651766E+14
Volume 9.6251564889128E+20
Height 9493326.6732393