18389744 (number)

18389744 is an even 8-digits composite number following 18389743 and preceding 18389745. In scientific notation, it is written as 1.8389744 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 9142080 positive integers (up to 18389744) that are relatively prime to 18389744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389744 × 10^7
Engineering notation 1.8389744 × 10^6

Prime Factorization of 18389744

Prime Factorization 2 × 2 × 2 × 2 × 179 × 6421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2298718
Product of the distinct prime numbers

The prime factorization of 18389744 is 2 × 2 × 2 × 2 × 179 × 6421. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389744)

Multiplication

n×y
n×2 36779488
n×3 55169232
n×4 73558976
n×5 91948720

Division

n÷y
n÷2 9194872
n÷3 6129914.6666667
n÷3 4597436
n÷5 3677948.8

Exponentiation

ny
n2 338182684385536
n3 6.2190929910828E+21
n4 1.1436752801821E+29
n5 2.1031895621677E+36

Nth Root

y√n
2√n 4288.3264801085
3√n 263.95216458062
4√n 65.485314995872
5√n 28.373645392054

Divisors of 18389744

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389744 can be divided by 20 positive divisors. The sum of these divisors (counting 18389744) is 1, the average is 0.05.

Base conversion 18389744

Base System Value
2 Binary 1000110001001101011110000
3 Ternary 1021121021222122
4 Quaternary 1012021223300
5 Quinary 14201432434
6 Senary 1454053412
8 Octal 106115360
10 Decimal 18389744
12 Duodecimal 61aa268
16 Hexadecimal 1189af0
20 Vigesimal 5eie74
36 Base36 ay5m8

Cryptographic Hash Functions

md5 14215686b270d503c4eff9fd23a1305c
sha1 0b33d1033d481f2044fed834ac0aa03aced7e011
sha256 5ea93df2c89d424e801b07b87a6e6851005ef56fac127127dd179e0bad93192a
sha512 16c16a6d4b35ad1408055a2a848e653b192ba8fe743ddbff7e026ff7612dba02dba3a5e862a829eac535c7fd52e45211dbc251b858ec32749967db9eb9c4bd81
ripemd-160 daa4946d363518c031dea12e8e370f6dda9dbad0

18389744 as geometric shapes

Circle

Radius = n
Diameter 36779488
Circumference 115546169.30359
Area 1.0624322368369E+15

Sphere

Radius = n
Volume 2.6050475803703E+22
Surface area 4.2497289473475E+15
Circumference 115546169.30359

Square

Length = n
Perimeter 73558976
Area 338182684385536
Diagonal 26007025.373369

Cube

Length = n
Surface area 2029096106313216
Volume 6.2190929910828E+21
Space diagonal 31851970.946185

Equilateral Triangle

Length = n
Perimeter 55169232
Area 1.4643739789894E+14
Altitude 15925985.473092

Triangular Pyramid

Length = n
Surface area 1.4643739789894E+14
Volume 7.3292713780406E+20
Height 8669008.4577898