20181308 (number)

20181308 is an even 8-digits composite number following 20181307 and preceding 20181309. In scientific notation, it is written as 2.0181308 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 8624304 positive integers (up to 20181308) that are relatively prime to 20181308.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181308 × 10^7
Engineering notation 2.0181308 × 10^6

Prime Factorization of 20181308

Prime Factorization 2 × 2 × 7 × 443 × 1627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10090654
Product of the distinct prime numbers

The prime factorization of 20181308 is 2 × 2 × 7 × 443 × 1627. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 56, 9, 699, 175, 691, 3877, 30465, 64979, 435786, 22104, 6446517, 5073205, 73876791, 55658485, 843764140, 775474228, 1737926419, 4915813863

Basic calculations (n = 20181308)

Multiplication

n×y
n×2 40362616
n×3 60543924
n×4 80725232
n×5 100906540

Division

n÷y
n÷2 10090654
n÷3 6727102.6666667
n÷3 5045327
n÷5 4036261.6

Exponentiation

ny
n2 407285192590864
n3 8.2195479155155E+21
n4 1.6588122810378E+29
n5 3.3477001557806E+36

Nth Root

y√n
2√n 4492.3610718641
3√n 272.25953817359
4√n 67.025077932548
5√n 28.906124049244

Divisors of 20181308

1, 2, 4, 7, 14, 28, 443, 886, 1627, 1772, 3101, 3254, 6202, 6508, 11389, 12404, 22778, 45556, 720761, 1441522, 2883044, 5045327, 10090654, 20181308

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181307
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181308 can be divided by 24 positive divisors. The sum of these divisors (counting 20181308) is 1, the average is 0.041666666666667.

Base conversion 20181308

Base System Value
2 Binary 1001100111111000100111100
3 Ternary 1101222022112212
4 Quaternary 1030333010330
5 Quinary 20131300213
6 Senary 2000315552
8 Octal 114770474
10 Decimal 20181308
12 Duodecimal 6912bb8
16 Hexadecimal 133f13c
20 Vigesimal 662d58
36 Base36 c0jzw

Cryptographic Hash Functions

md5 5aae669d8158d88bb2e768717fdacfee
sha1 bc5750a024bd145c28f5e08ea56a63284d9fe295
sha256 05162ad4ba6c483ea872714384d6cea648cb3618ee26ac408a2749492f4cb78c
sha512 894c9c4cfe05c4af194075a477c617543d31eb0b9d535d9caf80084260dd7f805ed7a422ed2f31ac4c8e173e59567e4215143b65d40781a5f3d9304da488ac39
ripemd-160 1da5c519f845df030ec1fede77851a2e7999bc3d

20181308 as geometric shapes

Circle

Radius = n
Diameter 40362616
Circumference 126802897.90527
Area 1.2795241689594E+15

Sphere

Radius = n
Volume 3.4429961796284E+22
Surface area 5.1180966758374E+15
Circumference 126802897.90527

Square

Length = n
Perimeter 80725232
Area 407285192590864
Diagonal 28540679.480029

Cube

Length = n
Surface area 2443711155545184
Volume 8.2195479155155E+21
Space diagonal 34955050.819196

Equilateral Triangle

Length = n
Perimeter 60543924
Area 1.7635966168446E+14
Altitude 17477525.409598

Triangular Pyramid

Length = n
Surface area 1.7635966168446E+14
Volume 9.6868301155813E+20
Height 9513559.8266762