20138911 (number)

20138911 is an odd 8-digits composite number following 20138910 and preceding 20138912. In scientific notation, it is written as 2.0138911 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18545760 positive integers (up to 20138911) that are relatively prime to 20138911.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred eleven

Notation

Scientific notation 2.0138911 × 10^7
Engineering notation 2.0138911 × 10^6

Prime Factorization of 20138911

Prime Factorization 13 × 487 × 3181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138911
Product of the distinct prime numbers

The prime factorization of 20138911 is 13 × 487 × 3181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138911)

Multiplication

n×y
n×2 40277822
n×3 60416733
n×4 80555644
n×5 100694555

Division

n÷y
n÷2 10069455.5
n÷3 6712970.3333333
n÷3 5034727.75
n÷5 4027782.2

Exponentiation

ny
n2 405575736265921
n3 8.1678536564189E+21
n4 1.6449167784764E+29
n5 3.3126832604144E+36

Nth Root

y√n
2√n 4487.6398028362
3√n 272.06874974242
4√n 66.989848505846
5√n 28.893968602394

Divisors of 20138911

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 -20138910
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 20138911 can be divided by 8 positive divisors. The sum of these divisors (counting 20138911) is 1, the average is 0.125.

Base conversion 20138911

Base System Value
2 Binary 1001100110100101110011111
3 Ternary 1101220011101121
4 Quaternary 1030310232133
5 Quinary 20123421121
6 Senary 1555351411
8 Octal 114645637
10 Decimal 20138911
12 Duodecimal 68b2567
16 Hexadecimal 1334b9f
20 Vigesimal 65h75b
36 Base36 bzna7

Cryptographic Hash Functions

md5 a53b2e29d3e0ead5071dc205ad343219
sha1 6276143ec93e4c66e427859ff18f4f652ca0bed5
sha256 85a1288f101a5f924bab1fb0d6c1a2b9236294045f67ba5596ca2d3804509848
sha512 2a3d54c173f25a99159f9e298232f56a3ebab2be88025422c6b03ab9fd9f9db950a5707d6ff2bd5244de0ef0522d443bb8e15d24cc7c33a299b8686a45c8fbf0
ripemd-160 b1deee76abc99d3546be8c7838615d56b53eb934

20138911 as geometric shapes

Circle

Radius = n
Diameter 40277822
Circumference 126536509.6978
Area 1.2741537535273E+15

Sphere

Radius = n
Volume 3.4213425390136E+22
Surface area 5.0966150141092E+15
Circumference 126536509.6978

Square

Length = n
Perimeter 80555644
Area 405575736265921
Diagonal 28480721.067625

Cube

Length = n
Surface area 2433454417595526
Volume 8.1678536564189E+21
Space diagonal 34881617.061108

Equilateral Triangle

Length = n
Perimeter 60416733
Area 1.7561944538243E+14
Altitude 17440808.530554

Triangular Pyramid

Length = n
Surface area 1.7561944538243E+14
Volume 9.6259078469885E+20
Height 9493573.6892082