20181365 (number)

20181365 is an odd 8-digits composite number following 20181364 and preceding 20181366. In scientific notation, it is written as 2.0181365 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16145088 positive integers (up to 20181365) that are relatively prime to 20181365.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181365 × 10^7
Engineering notation 2.0181365 × 10^6

Prime Factorization of 20181365

Prime Factorization 5 × 4036273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181365
Product of the distinct prime numbers

The prime factorization of 20181365 is 5 × 4036273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181365)

Multiplication

n×y
n×2 40362730
n×3 60544095
n×4 80725460
n×5 100906825

Division

n÷y
n÷2 10090682.5
n÷3 6727121.6666667
n÷3 5045341.25
n÷5 4036273

Exponentiation

ny
n2 407287493263225
n3 8.2196175614802E+21
n4 1.6588310216864E+29
n5 3.3477474321976E+36

Nth Root

y√n
2√n 4492.3674159623
3√n 272.25979449624
4√n 67.025125258834
5√n 28.906140377693

Divisors of 20181365

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181364
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181365 can be divided by 4 positive divisors. The sum of these divisors (counting 20181365) is 1, the average is 0.25.

Base conversion 20181365

Base System Value
2 Binary 1001100111111000101110101
3 Ternary 1101222022121222
4 Quaternary 1030333011311
5 Quinary 20131300430
6 Senary 2000320125
8 Octal 114770565
10 Decimal 20181365
12 Duodecimal 6913045
16 Hexadecimal 133f175
20 Vigesimal 662d85
36 Base36 c0k1h

Cryptographic Hash Functions

md5 47cf40ca20336ec8990d877bad1fa01e
sha1 b7a59c215070578b1ab6572f973db623eaee1880
sha256 559f1e76367388607c1605eb1e52b2da87232cc05ab1a2aac784e540f2392071
sha512 4def9da49a9e06565f3fafcd38c348709e080168e258050e8538878fb1659a9e983aa9d11b0c8ab9b06ae4e9aa6807b0937aa791bae27926603c3013855286df
ripemd-160 11a8d8e0f6387b6857ee7f6a676b871f5c066cad

20181365 as geometric shapes

Circle

Radius = n
Diameter 40362730
Circumference 126803256.04683
Area 1.2795313967348E+15

Sphere

Radius = n
Volume 3.4430253528618E+22
Surface area 5.118125586939E+15
Circumference 126803256.04683

Square

Length = n
Perimeter 80725460
Area 407287493263225
Diagonal 28540760.090202

Cube

Length = n
Surface area 2443724959579350
Volume 8.2196175614802E+21
Space diagonal 34955149.546092

Equilateral Triangle

Length = n
Perimeter 60544095
Area 1.7636065790482E+14
Altitude 17477574.773046

Triangular Pyramid

Length = n
Surface area 1.7636065790482E+14
Volume 9.6869121941378E+20
Height 9513586.6967339