20181023 (number)

20181023 is an odd 8-digits composite number following 20181022 and preceding 20181024. In scientific notation, it is written as 2.0181023 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 18817920 positive integers (up to 20181023) that are relatively prime to 20181023.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand twenty-three

Notation

Scientific notation 2.0181023 × 10^7
Engineering notation 2.0181023 × 10^6

Prime Factorization of 20181023

Prime Factorization 17 × 109 × 10891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20181023
Product of the distinct prime numbers

The prime factorization of 20181023 is 17 × 109 × 10891. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181023)

Multiplication

n×y
n×2 40362046
n×3 60543069
n×4 80724092
n×5 100905115

Division

n÷y
n÷2 10090511.5
n÷3 6727007.6666667
n÷3 5045255.75
n÷5 4036204.6

Exponentiation

ny
n2 407273689326529
n3 8.2191996915935E+21
n4 1.6587185801764E+29
n5 3.3474637817068E+36

Nth Root

y√n
2√n 4492.3293512386
3√n 272.2582565531
4√n 67.024841299615
5√n 28.90604240645

Divisors of 20181023

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 -20181022
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 20181023 can be divided by 8 positive divisors. The sum of these divisors (counting 20181023) is 1, the average is 0.125.

Base conversion 20181023

Base System Value
2 Binary 1001100111111000000011111
3 Ternary 1101222022011022
4 Quaternary 1030333000133
5 Quinary 20131243043
6 Senary 2000314355
8 Octal 114770037
10 Decimal 20181023
12 Duodecimal 69129bb
16 Hexadecimal 133f01f
20 Vigesimal 662cb3
36 Base36 c0jrz

Cryptographic Hash Functions

md5 c349ac35a698d8fdca823f22e64ec94f
sha1 c2b52cb8af0681eed473521021935502e83cf115
sha256 b599986ee35bd4b785bc16ddd541767bd173091b2137dd72942de150743cc75b
sha512 ec662948f10e059709835667cf99a5cdb532102fd1fe68a7246fbb881e30ffb9a95e51f78da3bea88a2d5c7a5da819716be50e4e5ff1e820855b03544763d5ff
ripemd-160 667e48fd64c07debeffd2337f6b715681e4f95f4

20181023 as geometric shapes

Circle

Radius = n
Diameter 40362046
Circumference 126801107.19745
Area 1.2794880303886E+15

Sphere

Radius = n
Volume 3.442850315933E+22
Surface area 5.1179521215545E+15
Circumference 126801107.19745

Square

Length = n
Perimeter 80724092
Area 407273689326529
Diagonal 28540276.429163

Cube

Length = n
Surface area 2443642135959174
Volume 8.2191996915935E+21
Space diagonal 34954557.184716

Equilateral Triangle

Length = n
Perimeter 60543069
Area 1.7635468062489E+14
Altitude 17477278.592358

Triangular Pyramid

Length = n
Surface area 1.7635468062489E+14
Volume 9.6864197297536E+20
Height 9513425.4763878