20139 (number)

20139 is an odd 5-digits composite number following 20138 and preceding 20140. In scientific notation, it is written as 2.0139 × 10^4. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 11424 positive integers (up to 20139) that are relatively prime to 20139.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred thirty-nine

Notation

Scientific notation 2.0139 × 10^4
Engineering notation 2.0139 × 10^3

Prime Factorization of 20139

Prime Factorization 49 × 3 × 137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20139
Product of the distinct prime numbers

The prime factorization of 20139 is 49 × 3 × 137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 29, 44, 793, 470, 4930, 1487, 1735, 34089, 920204, 829819, 4067502, 365235, 69372930, 2983502, 741060700, 184716341, 4934262886, 7668948534

Basic calculations (n = 20139)

Multiplication

n×y
n×2 40278
n×3 60417
n×4 80556
n×5 100695

Division

n÷y
n÷2 10069.5
n÷3 6713
n÷3 5034.75
n÷5 4027.8

Exponentiation

ny
n2 405579321
n3 8167961945619
n4 164494585622821041
n5 3.312756459858E+21

Nth Root

y√n
2√n 141.91194452899
3√n 27.20691505268
4√n 11.912679989364
5√n 7.25784318339

Divisors of 20139

1, 3, 49, 137, 147, 411, 6713, 20139

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 -20138
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 20139 can be divided by 8 positive divisors. The sum of these divisors (counting 20139) is 1, the average is 0.125.

Base conversion 20139

Base System Value
2 Binary 100111010101011
3 Ternary 1000121220
4 Quaternary 10322223
5 Quinary 1121024
6 Senary 233123
8 Octal 47253
10 Decimal 20139
12 Duodecimal b7a3
16 Hexadecimal 4eab
20 Vigesimal 2a6j
36 Base36 fjf

Cryptographic Hash Functions

md5 3ff35d5b17f95d78ffcf8e465f1b6019
sha1 9691fcc65bafdec65bd5ae7d76c8bf0d8c22c968
sha256 fb9a350363372149544d77d58360461ca9003b7b9fad79fd2a9aeeaaf55a0477
sha512 e8835a7301fd28192f604a21ed08cc24587469f07b94d20cabeb3900549e0b04ce7cdea9cd95581a8b6634c3d06c1f623cca7ce2e5b6507e3853d6cf0f97f93c
ripemd-160 4f9b838e508dd1d80718b18cd640bdb1efe88850

20139 as geometric shapes

Circle

Radius = n
Diameter 40278
Circumference 126537.06890129
Area 1274165015.3015

Sphere

Radius = n
Volume 34213878990877
Surface area 5096660061.2061
Circumference 126537.06890129

Square

Length = n
Perimeter 80556
Area 405579321
Diagonal 28480.846932632

Cube

Length = n
Surface area 2433475926
Volume 8167961945619
Space diagonal 34881.77121363

Equilateral Triangle

Length = n
Perimeter 60417
Area 175620997.61782
Altitude 17440.885606815

Triangular Pyramid

Length = n
Surface area 175620997.61782
Volume 962603546703.48
Height 9493.6156442106