18402493 (number)

18402493 is an odd 8-digits composite number following 18402492 and preceding 18402494. In scientific notation, it is written as 1.8402493 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18392220 positive integers (up to 18402493) that are relatively prime to 18402493.

Interesting facts

Basic properties

Name

Name eighteen million four hundred two thousand four hundred ninety-three

Notation

Scientific notation 1.8402493 × 10^7
Engineering notation 1.8402493 × 10^6

Prime Factorization of 18402493

Prime Factorization 7963 × 2311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18402493
Product of the distinct prime numbers

The prime factorization of 18402493 is 7963 × 2311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18402493)

Multiplication

n×y
n×2 36804986
n×3 55207479
n×4 73609972
n×5 92012465

Division

n÷y
n÷2 9201246.5
n÷3 6134164.3333333
n÷3 4600623.25
n÷5 3680498.6

Exponentiation

ny
n2 338651748615049
n3 6.2320364333262E+21
n4 1.1468500684003E+29
n5 2.1104900355786E+36

Nth Root

y√n
2√n 4289.812699874
3√n 264.01314691951
4√n 65.496661746031
5√n 28.37757840314

Divisors of 18402493

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18402492
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18402493 can be divided by 4 positive divisors. The sum of these divisors (counting 18402493) is 1, the average is 0.25.

Base conversion 18402493

Base System Value
2 Binary 1000110001100110010111101
3 Ternary 1021121221110211
4 Quaternary 1012030302331
5 Quinary 14202334433
6 Senary 1454232421
8 Octal 106146275
10 Decimal 18402493
12 Duodecimal 61b5711
16 Hexadecimal 118ccbd
20 Vigesimal 5f064d
36 Base36 ayfgd

Cryptographic Hash Functions

md5 9bbd4c5236ec7fe3975e6b1f2bf69c9b
sha1 9d462f3853c629ea65aa475b0b7e5fd61d30dab9
sha256 87c44a44f742cab802ca5b0c445ff03c5821c8a74fefddc714a5259c24fa662e
sha512 dca86945a3cad8d9cabb3a03fc6e9db03704e61517c0714f227d9ecd8877fb70c6fad7d4c49e6c1e2e86b122195d0ed00a05295f66bf5ad699f79100ad00fbc8
ripemd-160 e5c999b26e23b5612eb4eeed6004a09de84c3f37

18402493 as geometric shapes

Circle

Radius = n
Diameter 36804986
Circumference 115626273.63308
Area 1.0639058455744E+15

Sphere

Radius = n
Volume 2.6104693167789E+22
Surface area 4.2556233822975E+15
Circumference 115626273.63308

Square

Length = n
Perimeter 73609972
Area 338651748615049
Diagonal 26025055.182076

Cube

Length = n
Surface area 2031910491690294
Volume 6.2320364333262E+21
Space diagonal 31874052.861931

Equilateral Triangle

Length = n
Perimeter 55207479
Area 1.4664050866833E+14
Altitude 15937026.430965

Triangular Pyramid

Length = n
Surface area 1.4664050866833E+14
Volume 7.344525371011E+20
Height 8675018.3940253