20138791 (number)

20138791 is an odd 8-digits composite number following 20138790 and preceding 20138792. In scientific notation, it is written as 2.0138791 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 19939236 positive integers (up to 20138791) that are relatively prime to 20138791.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand seven hundred ninety-one

Notation

Scientific notation 2.0138791 × 10^7
Engineering notation 2.0138791 × 10^6

Prime Factorization of 20138791

Prime Factorization 107 × 107 × 1759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 188213
Product of the distinct prime numbers

The prime factorization of 20138791 is 107 × 107 × 1759. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138791)

Multiplication

n×y
n×2 40277582
n×3 60416373
n×4 80555164
n×5 100693955

Division

n÷y
n÷2 10069395.5
n÷3 6712930.3333333
n÷3 5034697.75
n÷5 4027758.2

Exponentiation

ny
n2 405570902941681
n3 8.1677076500238E+21
n4 1.6448775731293E+29
n5 3.3125845665838E+36

Nth Root

y√n
2√n 4487.6264327593
3√n 272.06820935711
4√n 66.989748713959
5√n 28.89393416871

Divisors of 20138791

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138791 can be divided by 6 positive divisors. The sum of these divisors (counting 20138791) is 1, the average is 0.16666666666667.

Base conversion 20138791

Base System Value
2 Binary 1001100110100101100100111
3 Ternary 1101220011020011
4 Quaternary 1030310230213
5 Quinary 20123420131
6 Senary 1555351051
8 Octal 114645447
10 Decimal 20138791
12 Duodecimal 68b2487
16 Hexadecimal 1334b27
20 Vigesimal 65h6jb
36 Base36 bzn6v

Cryptographic Hash Functions

md5 b38daa8af32d1eb477402a141895993f
sha1 51ff7fcbaf7b97c3c344c241cdcdd919af9f6e07
sha256 230ecbce78fa947e06bcea9f71fb006c92c8b45f48f471b85e7a1fb9fdf93ba5
sha512 4a892614c209e34028e472b9a0dd962a5aa14a6a308d93136f8842a50d4ff725b6b85725c75dc007b242df375a220aa9dbc3c925f0dbd52a9f83553e1fe20dc6
ripemd-160 99243fd54e415254d3415819a0bd8669a5080781

20138791 as geometric shapes

Circle

Radius = n
Diameter 40277582
Circumference 126535755.71556
Area 1.2741385691914E+15

Sphere

Radius = n
Volume 3.4212813799979E+22
Surface area 5.0965542767655E+15
Circumference 126535755.71556

Square

Length = n
Perimeter 80555164
Area 405570902941681
Diagonal 28480551.361997

Cube

Length = n
Surface area 2433425417650086
Volume 8.1677076500238E+21
Space diagonal 34881409.215011

Equilateral Triangle

Length = n
Perimeter 60416373
Area 1.7561735249164E+14
Altitude 17440704.607505

Triangular Pyramid

Length = n
Surface area 1.7561735249164E+14
Volume 9.6257357768018E+20
Height 9493517.1206657