20181640 (number)

20181640 is an even 8-digits composite number following 20181639 and preceding 20181641. In scientific notation, it is written as 2.0181640 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 7980544 positive integers (up to 20181640) that are relatively prime to 20181640.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand six hundred forty

Notation

Scientific notation 2.0181640 × 10^7
Engineering notation 2.0181640 × 10^6

Prime Factorization of 20181640

Prime Factorization 2 × 2 × 2 × 5 × 89 × 5669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5045410
Product of the distinct prime numbers

The prime factorization of 20181640 is 2 × 2 × 2 × 5 × 89 × 5669. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 45, 72, 484, 298, 4538, 7029, 46530, 11320, 168218, 383902, 8978827, 6017040, 39981227, 50751177, 190203936, 103941456, 2417424620, 7524272724

Basic calculations (n = 20181640)

Multiplication

n×y
n×2 40363280
n×3 60544920
n×4 80726560
n×5 100908200

Division

n÷y
n÷2 10090820
n÷3 6727213.3333333
n÷3 5045410
n÷5 4036328

Exponentiation

ny
n2 407298593089600
n3 8.2199535782408E+21
n4 1.6589214393277E+29
n5 3.3479755276793E+36

Nth Root

y√n
2√n 4492.3980233279
3√n 272.26103113383
4√n 67.025353585996
5√n 28.906219154775

Divisors of 20181640

1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5669, 11338, 22676, 28345, 45352, 56690, 113380, 226760, 504541, 1009082, 2018164, 2522705, 4036328, 5045410, 10090820, 20181640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181640 can be divided by 32 positive divisors. The sum of these divisors (counting 20181640) is 1, the average is 0.03125.

Base conversion 20181640

Base System Value
2 Binary 1001100111111001010001000
3 Ternary 1101222100000011
4 Quaternary 1030333022020
5 Quinary 20131303030
6 Senary 2000321304
8 Octal 114771210
10 Decimal 20181640
12 Duodecimal 6913234
16 Hexadecimal 133f288
20 Vigesimal 662e20
36 Base36 c0k94

Cryptographic Hash Functions

md5 f077a4654b3b243f5c1fef567fd90a7c
sha1 b122d60452e6035cc1f44a7fd991a8832c4fc892
sha256 c9793f931b1ca417b4eed4003f03f7793e534937e5ad8885747c3c74ebf9fd05
sha512 134860e9a861bf33c15836a05f3c744c488acc3e28e7a6e82287f1eae41bd445bd0693bc1976a255d36dc34d1c17e4991437488630f64f55b5715ab0a9c17f06
ripemd-160 b183b6b2923e6d8bb396245b65312966c8639e87

20181640 as geometric shapes

Circle

Radius = n
Diameter 40363280
Circumference 126804983.92279
Area 1.2795662678677E+15

Sphere

Radius = n
Volume 3.4431661032334E+22
Surface area 5.118265071471E+15
Circumference 126804983.92279

Square

Length = n
Perimeter 80726560
Area 407298593089600
Diagonal 28541148.998931

Cube

Length = n
Surface area 2443791558537600
Volume 8.2199535782408E+21
Space diagonal 34955625.860064

Equilateral Triangle

Length = n
Perimeter 60544920
Area 1.7636546427063E+14
Altitude 17477812.930032

Triangular Pyramid

Length = n
Surface area 1.7636546427063E+14
Volume 9.6873081936878E+20
Height 9513716.3329771