20181306 (number)

20181306 is an even 8-digits composite number following 20181305 and preceding 20181307. In scientific notation, it is written as 2.0181306 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 6335280 positive integers (up to 20181306) that are relatively prime to 20181306.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181306 × 10^7
Engineering notation 2.0181306 × 10^6

Prime Factorization of 20181306

Prime Factorization 2 × 3 × 19 × 211 × 839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20181306
Product of the distinct prime numbers

The prime factorization of 20181306 is 2 × 3 × 19 × 211 × 839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181306)

Multiplication

n×y
n×2 40362612
n×3 60543918
n×4 80725224
n×5 100906530

Division

n÷y
n÷2 10090653
n÷3 6727102
n÷3 5045326.5
n÷5 4036261.2

Exponentiation

ny
n2 407285111865636
n3 8.2195454718046E+21
n4 1.658811623474E+29
n5 3.3476984969686E+36

Nth Root

y√n
2√n 4492.360849264
3√n 272.25952917981
4√n 67.025076271975
5√n 28.906123476316

Divisors of 20181306

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 -20181305
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 20181306 can be divided by 32 positive divisors. The sum of these divisors (counting 20181306) is 1, the average is 0.03125.

Base conversion 20181306

Base System Value
2 Binary 1001100111111000100111010
3 Ternary 1101222022112210
4 Quaternary 1030333010322
5 Quinary 20131300211
6 Senary 2000315550
8 Octal 114770472
10 Decimal 20181306
12 Duodecimal 6912bb6
16 Hexadecimal 133f13a
20 Vigesimal 662d56
36 Base36 c0jzu

Cryptographic Hash Functions

md5 de7b17fe4746c33160adfa2e65bb0800
sha1 bd160d7e839ac1319e59573614a0e143310616aa
sha256 c8935efaa99b4e70609a6688d767502f1b29f0a352f95824ea67bf4885d4aeb6
sha512 352c9e925e7cfc82b3cf80da9df411af9b8118116a63cf6d62babb9278991c96218299e292700168f748db594ecb9a637083be1be3fa7ff5258568a40e111a73
ripemd-160 a5dea4e174d0c6a1294a4d8a7561fdffca2577d7

20181306 as geometric shapes

Circle

Radius = n
Diameter 40362612
Circumference 126802885.3389
Area 1.2795239153536E+15

Sphere

Radius = n
Volume 3.4429951560092E+22
Surface area 5.1180956614143E+15
Circumference 126802885.3389

Square

Length = n
Perimeter 80725224
Area 407285111865636
Diagonal 28540676.651602

Cube

Length = n
Surface area 2443710671193816
Volume 8.2195454718046E+21
Space diagonal 34955047.355095

Equilateral Triangle

Length = n
Perimeter 60543918
Area 1.7635962672941E+14
Altitude 17477523.677547

Triangular Pyramid

Length = n
Surface area 1.7635962672941E+14
Volume 9.6868272356404E+20
Height 9513558.8838672