18389742 (number)

18389742 is an even 8-digits composite number following 18389741 and preceding 18389743. In scientific notation, it is written as 1.8389742 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 5025504 positive integers (up to 18389742) that are relatively prime to 18389742.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand seven hundred forty-two

Notation

Scientific notation 1.8389742 × 10^7
Engineering notation 1.8389742 × 10^6

Prime Factorization of 18389742

Prime Factorization 2 × 3 × 7 × 23 × 19037

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18389742
Product of the distinct prime numbers

The prime factorization of 18389742 is 2 × 3 × 7 × 23 × 19037. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389742)

Multiplication

n×y
n×2 36779484
n×3 55169226
n×4 73558968
n×5 91948710

Division

n÷y
n÷2 9194871
n÷3 6129914
n÷3 4597435.5
n÷5 3677948.4

Exponentiation

ny
n2 338182610826564
n3 6.2190909619869E+21
n4 1.1436747826547E+29
n5 2.1031884184926E+36

Nth Root

y√n
2√n 4288.3262469173
3√n 263.95215501181
4√n 65.485313215387
5√n 28.373644774892

Divisors of 18389742

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 -18389741
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 18389742 can be divided by 32 positive divisors. The sum of these divisors (counting 18389742) is 1, the average is 0.03125.

Base conversion 18389742

Base System Value
2 Binary 1000110001001101011101110
3 Ternary 1021121021222120
4 Quaternary 1012021223232
5 Quinary 14201432432
6 Senary 1454053410
8 Octal 106115356
10 Decimal 18389742
12 Duodecimal 61aa266
16 Hexadecimal 1189aee
20 Vigesimal 5eie72
36 Base36 ay5m6

Cryptographic Hash Functions

md5 1fd5bc6b613d3e6dc2bad5f5601fb635
sha1 0c9b1c60926e7f9af57c04a2eef7609385fe2406
sha256 2be6f2a430cce87bb955828902dc7e71924da6f5087ecddb84b1eda96391790f
sha512 fb60cfb9bf88cabf7e449ed32ce3e3ec68f43b9740aa2a13445623fc26a91c703c016883a3fb556e83c4c5dc03edb672e56ccb8e9df64e6d115c8984e2d5e75b
ripemd-160 ceaef2549058bd58fd235ff7f72d5697633c2374

18389742 as geometric shapes

Circle

Radius = n
Diameter 36779484
Circumference 115546156.73722
Area 1.0624320057445E+15

Sphere

Radius = n
Volume 2.6050467304246E+22
Surface area 4.2497280229782E+15
Circumference 115546156.73722

Square

Length = n
Perimeter 73558968
Area 338182610826564
Diagonal 26007022.544942

Cube

Length = n
Surface area 2029095664959384
Volume 6.2190909619869E+21
Space diagonal 31851967.482083

Equilateral Triangle

Length = n
Perimeter 55169226
Area 1.4643736604698E+14
Altitude 15925983.741042

Triangular Pyramid

Length = n
Surface area 1.4643736604698E+14
Volume 7.3292689867282E+20
Height 8669007.5149807