20181427 (number)

20181427 is an odd 8-digits composite number following 20181426 and preceding 20181428. In scientific notation, it is written as 2.0181427 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17298360 positive integers (up to 20181427) that are relatively prime to 20181427.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand four hundred twenty-seven

Notation

Scientific notation 2.0181427 × 10^7
Engineering notation 2.0181427 × 10^6

Prime Factorization of 20181427

Prime Factorization 7 × 2883061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181427
Product of the distinct prime numbers

The prime factorization of 20181427 is 7 × 2883061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181427)

Multiplication

n×y
n×2 40362854
n×3 60544281
n×4 80725708
n×5 100907135

Division

n÷y
n÷2 10090713.5
n÷3 6727142.3333333
n÷3 5045356.75
n÷5 4036285.4

Exponentiation

ny
n2 407289995756329
n3 8.2196933171867E+21
n4 1.6588514064319E+29
n5 3.3477988562753E+36

Nth Root

y√n
2√n 4492.3743165502
3√n 272.26007330279
4√n 67.025176736434
5√n 28.906158138419

Divisors of 20181427

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 -20181426
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 20181427 can be divided by 4 positive divisors. The sum of these divisors (counting 20181427) is 1, the average is 0.25.

Base conversion 20181427

Base System Value
2 Binary 1001100111111000110110011
3 Ternary 1101222022201021
4 Quaternary 1030333012303
5 Quinary 20131301202
6 Senary 2000320311
8 Octal 114770663
10 Decimal 20181427
12 Duodecimal 6913097
16 Hexadecimal 133f1b3
20 Vigesimal 662db7
36 Base36 c0k37

Cryptographic Hash Functions

md5 8d39bcb8b79aed5572b1637f06bf9fdd
sha1 c8589eaf4fb2b1fa09ab9f27a19dedd4ce9ea9fc
sha256 31aa0518c3fa6d5a7734d815ada0430a517694d9f6fdf9d89dfc960cbf54cf26
sha512 c9854387b42765e9112cab37235c0448f5c94bfe67543fc62892ca0eed8a130f90d334584e32732be8fb77351262d43c80587997a17ae4471d0c46b6b9909aa5
ripemd-160 f9765cb5281e22b475b240364feadeb5b237204b

20181427 as geometric shapes

Circle

Radius = n
Diameter 40362854
Circumference 126803645.60432
Area 1.2795392585487E+15

Sphere

Radius = n
Volume 3.443057085338E+22
Surface area 5.1181570341948E+15
Circumference 126803645.60432

Square

Length = n
Perimeter 80725708
Area 407289995756329
Diagonal 28540847.771443

Cube

Length = n
Surface area 2443739974537974
Volume 8.2196933171867E+21
Space diagonal 34955256.933242

Equilateral Triangle

Length = n
Perimeter 60544281
Area 1.7636174151612E+14
Altitude 17477628.466621

Triangular Pyramid

Length = n
Surface area 1.7636174151612E+14
Volume 9.6870014730941E+20
Height 9513615.9238142