18043642 (number)

18043642 is an even 8-digits composite number following 18043641 and preceding 18043643. In scientific notation, it is written as 1.8043642 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8693568 positive integers (up to 18043642) that are relatively prime to 18043642.

Interesting facts

Basic properties

Name

Name eighteen million forty-three thousand six hundred forty-two

Notation

Scientific notation 1.8043642 × 10^7
Engineering notation 1.8043642 × 10^6

Prime Factorization of 18043642

Prime Factorization 2 × 109 × 37 × 2237

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18043642
Product of the distinct prime numbers

The prime factorization of 18043642 is 2 × 109 × 37 × 2237. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18043642)

Multiplication

n×y
n×2 36087284
n×3 54130926
n×4 72174568
n×5 90218210

Division

n÷y
n÷2 9021821
n÷3 6014547.3333333
n÷3 4510910.5
n÷5 3608728.4

Exponentiation

ny
n2 325573016624164
n3 5.8745229568265E+21
n4 1.0599778915376E+29
n5 1.9125861602819E+36

Nth Root

y√n
2√n 4247.7808323877
3√n 262.28577291078
4√n 65.175001591006
5√n 28.266031613807

Divisors of 18043642

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18043641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18043642 can be divided by 16 positive divisors. The sum of these divisors (counting 18043642) is 1, the average is 0.0625.

Base conversion 18043642

Base System Value
2 Binary 1000100110101001011111010
3 Ternary 1020221201020001
4 Quaternary 1010311023322
5 Quinary 14104344032
6 Senary 1442423214
8 Octal 104651372
10 Decimal 18043642
12 Duodecimal 6061b0a
16 Hexadecimal 11352fa
20 Vigesimal 5cf922
36 Base36 aqqka

Cryptographic Hash Functions

md5 5d550c320efecf2b18e0bebbe0ed189e
sha1 bfdef3e63c7a4af0dea8519633934c5fb603a5f2
sha256 ba3411c723819dcdafb242c4cead96b6c2ba7f9eed6bc895737fdc05884da9d9
sha512 662a6c9984f8ee164d83c5fadb087e4c1acae01564529bf76a26fd2acd28c8f36957be0723fdfb43e41283c1be7737cdd59ccbdc8c238dab2efad1c88a30d63d
ripemd-160 e5d2e98a33d50ae5ba7b4d9199e7aec6acee0536

18043642 as geometric shapes

Circle

Radius = n
Diameter 36087284
Circumference 113371546.30241
Area 1.0228177972335E+15

Sphere

Radius = n
Volume 2.4607144219347E+22
Surface area 4.0912711889342E+15
Circumference 113371546.30241

Square

Length = n
Perimeter 72174568
Area 325573016624164
Diagonal 25517563.231005

Cube

Length = n
Surface area 1953438099744984
Volume 5.8745229568265E+21
Space diagonal 31252504.697584

Equilateral Triangle

Length = n
Perimeter 54130926
Area 1.4097725159163E+14
Altitude 15626252.348792

Triangular Pyramid

Length = n
Surface area 1.4097725159163E+14
Volume 6.9231916983467E+20
Height 8505854.4103349