20181443 (number)

20181443 is an odd 8-digits composite number following 20181442 and preceding 20181444. In scientific notation, it is written as 2.0181443 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20022408 positive integers (up to 20181443) that are relatively prime to 20181443.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand four hundred forty-three

Notation

Scientific notation 2.0181443 × 10^7
Engineering notation 2.0181443 × 10^6

Prime Factorization of 20181443

Prime Factorization 127 × 158909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181443
Product of the distinct prime numbers

The prime factorization of 20181443 is 127 × 158909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181443)

Multiplication

n×y
n×2 40362886
n×3 60544329
n×4 80725772
n×5 100907215

Division

n÷y
n÷2 10090721.5
n÷3 6727147.6666667
n÷3 5045360.75
n÷5 4036288.6

Exponentiation

ny
n2 407290641562249
n3 8.219712867122E+21
n4 1.6588566670419E+29
n5 3.3478121271076E+36

Nth Root

y√n
2√n 4492.3760973454
3√n 272.26014525277
4√n 67.025190020957
5√n 28.906162721825

Divisors of 20181443

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 -20181442
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 20181443 can be divided by 4 positive divisors. The sum of these divisors (counting 20181443) is 1, the average is 0.25.

Base conversion 20181443

Base System Value
2 Binary 1001100111111000111000011
3 Ternary 1101222022201212
4 Quaternary 1030333013003
5 Quinary 20131301233
6 Senary 2000320335
8 Octal 114770703
10 Decimal 20181443
12 Duodecimal 69130ab
16 Hexadecimal 133f1c3
20 Vigesimal 662dc3
36 Base36 c0k3n

Cryptographic Hash Functions

md5 ab8be39e56871685313db2b8c0b0cb0c
sha1 13a784213ec05fc67e6235c31b3d7246710f06b2
sha256 f66cf430c6d12a4389f82f48a3e7407e400dd4cfad5304b061fc80901aecb912
sha512 180fc82d1ed0be9229afc01c6a882f30673f483111c30efaec9aebcc711321fee3e98128fad771f03350d585f75ef4019fa60256ebedd4137ecbca5c65e23c6e
ripemd-160 3417b89f6856ecafec5cf0e35559cabb09349a47

20181443 as geometric shapes

Circle

Radius = n
Diameter 40362886
Circumference 126803746.13528
Area 1.2795412874078E+15

Sphere

Radius = n
Volume 3.4430652743957E+22
Surface area 5.1181651496313E+15
Circumference 126803746.13528

Square

Length = n
Perimeter 80725772
Area 407290641562249
Diagonal 28540870.39886

Cube

Length = n
Surface area 2443743849373494
Volume 8.219712867122E+21
Space diagonal 34955284.646055

Equilateral Triangle

Length = n
Perimeter 60544329
Area 1.7636202115828E+14
Altitude 17477642.323028

Triangular Pyramid

Length = n
Surface area 1.7636202115828E+14
Volume 9.6870245129138E+20
Height 9513623.4662865