18393939 (number)

18393939 is an odd 8-digits composite number following 18393938 and preceding 18393940. In scientific notation, it is written as 1.8393939 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 12262608 positive integers (up to 18393939) that are relatively prime to 18393939.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-three thousand nine hundred thirty-nine

Notation

Scientific notation 1.8393939 × 10^7
Engineering notation 1.8393939 × 10^6

Prime Factorization of 18393939

Prime Factorization 9 × 3 × 681257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18393939
Product of the distinct prime numbers

The prime factorization of 18393939 is 9 × 3 × 681257. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18393939)

Multiplication

n×y
n×2 36787878
n×3 55181817
n×4 73575756
n×5 91969695

Division

n÷y
n÷2 9196969.5
n÷3 6131313
n÷3 4598484.75
n÷5 3678787.8

Exponentiation

ny
n2 338336991935721
n3 6.2233499911091E+21
n4 1.1447192011211E+29
n5 2.1055895157551E+36

Nth Root

y√n
2√n 4288.8155707608
3√n 263.97223365001
4√n 65.489049243066
5√n 28.374939772042

Divisors of 18393939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18393938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18393939 can be divided by 8 positive divisors. The sum of these divisors (counting 18393939) is 1, the average is 0.125.

Base conversion 18393939

Base System Value
2 Binary 1000110001010101101010011
3 Ternary 1021121111202000
4 Quaternary 1012022231103
5 Quinary 14202101224
6 Senary 1454125043
8 Octal 106125523
10 Decimal 18393939
12 Duodecimal 61b0783
16 Hexadecimal 118ab53
20 Vigesimal 5ej4gj
36 Base36 ay8ur

Cryptographic Hash Functions

md5 b2cc6bb4a848f517d7d139e4d8e8d2f8
sha1 52645ae28f9a6443e51eb74a25fad3f9b7c4c315
sha256 de7063d0a9afe32de13e5e8cf44595c4f17672b8f2f5238ef455dcd9700b4770
sha512 0d8e98a4a469d00fb5bbda6c7538383e839226d192d1ab6a4ebeeee205505abf8a8784ec0498633a4614e66294dc68f4fcdb5187d235b7c84b13ac69be117244
ripemd-160 a3a8c8cb3bdbb88c2126ba6a1e8cf2c4adbe542c

18393939 as geometric shapes

Circle

Radius = n
Diameter 36787878
Circumference 115572527.26596
Area 1.0629170083029E+15

Sphere

Radius = n
Volume 2.6068307483715E+22
Surface area 4.2516680332117E+15
Circumference 115572527.26596

Square

Length = n
Perimeter 73575756
Area 338336991935721
Diagonal 26012957.999263

Cube

Length = n
Surface area 2030021951614326
Volume 6.2233499911091E+21
Space diagonal 31859236.899323

Equilateral Triangle

Length = n
Perimeter 55181817
Area 1.4650421502817E+14
Altitude 15929618.449661

Triangular Pyramid

Length = n
Surface area 1.4650421502817E+14
Volume 7.3342883006842E+20
Height 8670985.9997545