20181768 (number)

20181768 is an even 8-digits composite number following 20181767 and preceding 20181769. In scientific notation, it is written as 2.0181768 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 6727248 positive integers (up to 20181768) that are relatively prime to 20181768.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand seven hundred sixty-eight

Notation

Scientific notation 2.0181768 × 10^7
Engineering notation 2.0181768 × 10^6

Prime Factorization of 20181768

Prime Factorization 2 × 2 × 2 × 3 × 840907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5045442
Product of the distinct prime numbers

The prime factorization of 20181768 is 2 × 2 × 2 × 3 × 840907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181768)

Multiplication

n×y
n×2 40363536
n×3 60545304
n×4 80727072
n×5 100908840

Division

n÷y
n÷2 10090884
n÷3 6727256
n÷3 5045442
n÷5 4036353.6

Exponentiation

ny
n2 407303759605824
n3 8.2201099818925E+21
n4 1.6589635258904E+29
n5 3.3480816999982E+36

Nth Root

y√n
2√n 4492.4122695941
3√n 272.26160672858
4√n 67.025459861117
5√n 28.906255821633

Divisors of 20181768

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181768 can be divided by 16 positive divisors. The sum of these divisors (counting 20181768) is 1, the average is 0.0625.

Base conversion 20181768

Base System Value
2 Binary 1001100111111001100001000
3 Ternary 1101222100011220
4 Quaternary 1030333030020
5 Quinary 20131304033
6 Senary 2000322040
8 Octal 114771410
10 Decimal 20181768
12 Duodecimal 6913320
16 Hexadecimal 133f308
20 Vigesimal 662e88
36 Base36 c0kco

Cryptographic Hash Functions

md5 9288e17007d9d3dcb2882297fd38d18b
sha1 2cd94c8aa6453229bf153b812e1ba18e3018acdf
sha256 6c349086483e7bdff8f6c0d13a2d70b90e34dbd928d5ade9996147d5c8af1688
sha512 964eefc8b8024a452fe07dcf26b99a70e1731326c83279a9cb382bd080560da8c03c537a2906dd86fddeca16796f1cde360d051aca2ccfa82ea6d720b9a72984
ripemd-160 f2f2ea8c4c9105f399deedc6379e5aeccde3978d

20181768 as geometric shapes

Circle

Radius = n
Diameter 40363536
Circumference 126805788.17051
Area 1.2795824989572E+15

Sphere

Radius = n
Volume 3.4432316174418E+22
Surface area 5.1183299958286E+15
Circumference 126805788.17051

Square

Length = n
Perimeter 80727072
Area 407303759605824
Diagonal 28541330.018267

Cube

Length = n
Surface area 2443822557634944
Volume 8.2201099818925E+21
Space diagonal 34955847.562568

Equilateral Triangle

Length = n
Perimeter 60545304
Area 1.7636770143778E+14
Altitude 17477923.781284

Triangular Pyramid

Length = n
Surface area 1.7636770143778E+14
Volume 9.687492517159E+20
Height 9513776.6727558