19440 (number)

19440 is an even 5-digits composite number following 19439 and preceding 19441. In scientific notation, it is written as 1.9440 × 10^4. The sum of its digits is 18. It has a total of 8 prime factors and 40 positive divisors. There are 5184 positive integers (up to 19440) that are relatively prime to 19440.

Interesting facts

Basic properties

Name

Name nineteen thousand four hundred forty

Notation

Scientific notation 1.9440 × 10^4
Engineering notation 1.9440 × 10^3

Prime Factorization of 19440

Prime Factorization 2 × 2 × 2 × 2 × 3 × 45 × 3 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 270
Product of the distinct prime numbers

The prime factorization of 19440 is 2 × 2 × 2 × 2 × 3 × 45 × 3 × 3. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 1, 46, 96, 476, 786, 3037, 7484, 51105, 99524, 721798, 791235, 3341019, 3189128, 93192355, 84042308, 191436813, 792916427, 8535513094, 4250140065

Basic calculations (n = 19440)

Multiplication

n×y
n×2 38880
n×3 58320
n×4 77760
n×5 97200

Division

n÷y
n÷2 9720
n÷3 6480
n÷3 4860
n÷5 3888

Exponentiation

ny
n2 377913600
n3 7346640384000
n4 142818689064960000
n5 2.7763953154228E+21

Nth Root

y√n
2√n 139.42740046347
3√n 26.888428479343
4√n 11.807938027593
5√n 7.2067466038886

Divisors of 19440

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 45, 48, 54, 72, 90, 108, 135, 144, 180, 216, 270, 360, 405, 432, 540, 720, 810, 1080, 1215, 1620, 2160, 2430, 3240, 4860, 6480, 9720, 19440

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19440 can be divided by 40 positive divisors. The sum of these divisors (counting 19440) is 1, the average is 0.025.

Base conversion 19440

Base System Value
2 Binary 100101111110000
3 Ternary 222200000
4 Quaternary 10233300
5 Quinary 1110230
6 Senary 230000
8 Octal 45760
10 Decimal 19440
12 Duodecimal b300
16 Hexadecimal 4bf0
20 Vigesimal 28c0
36 Base36 f00

Cryptographic Hash Functions

md5 c23da4fc9c3c0a2322caf4fa66762d78
sha1 cb0aab8b2a10f98b26c9870b66db15bb4e531011
sha256 21bc957fb76dbd898896e04eca03279461f34bb042c352a7267dcdd1b87f7390
sha512 047e50008053a10797f188ffa86ccb74e8f1a9a0eecd92b70823d81f4d0d361fd872b1847256f734a797856b547bef3d4335ff9e619c0945484cece79822de74
ripemd-160 fb8d84547bf651b11d4f9dc2bd81ac673eba3a02

19440 as geometric shapes

Circle

Radius = n
Diameter 38880
Circumference 122145.12237157
Area 1187250589.4517

Sphere

Radius = n
Volume 30773535278587
Surface area 4749002357.8067
Circumference 122145.12237157

Square

Length = n
Perimeter 77760
Area 377913600
Diagonal 27492.311652533

Cube

Length = n
Surface area 2267481600
Volume 7346640384000
Space diagonal 33671.067699139

Equilateral Triangle

Length = n
Perimeter 58320
Area 163641389.01782
Altitude 16835.533849569

Triangular Pyramid

Length = n
Surface area 163641389.01782
Volume 865809872410.89
Height 9164.1038841777