18884490 (number)

18884490 is an even 8-digits composite number following 18884489 and preceding 18884491. In scientific notation, it is written as 1.8884490 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 5035856 positive integers (up to 18884490) that are relatively prime to 18884490.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-four thousand four hundred ninety

Notation

Scientific notation 1.8884490 × 10^7
Engineering notation 1.8884490 × 10^6

Prime Factorization of 18884490

Prime Factorization 2 × 15 × 629483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18884490
Product of the distinct prime numbers

The prime factorization of 18884490 is 2 × 15 × 629483. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18884490)

Multiplication

n×y
n×2 37768980
n×3 56653470
n×4 75537960
n×5 94422450

Division

n÷y
n÷2 9442245
n÷3 6294830
n÷3 4721122.5
n÷5 3776898

Exponentiation

ny
n2 356623962560100
n3 6.7346616547266E+21
n4 1.2718065067207E+29
n5 2.4017417258102E+36

Nth Root

y√n
2√n 4345.6288382696
3√n 266.29831607897
4√n 65.921383770895
5√n 28.524697804689

Divisors of 18884490

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 -18884489
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 18884490 can be divided by 8 positive divisors. The sum of these divisors (counting 18884490) is 1, the average is 0.125.

Base conversion 18884490

Base System Value
2 Binary 1001000000010011110001010
3 Ternary 1022112102122120
4 Quaternary 1020002132022
5 Quinary 14313300430
6 Senary 1512432110
8 Octal 110023612
10 Decimal 18884490
12 Duodecimal 63a8636
16 Hexadecimal 120278a
20 Vigesimal 5i0b4a
36 Base36 b8rd6

Cryptographic Hash Functions

md5 8b0681a251622319a8161eac3eb087d7
sha1 feda416a60c1cc0e07f20ab421b951ae4f1163ea
sha256 75263119984a01c62bfa66ed18f91fd064d90ecd5e7e8a1c7b8511b1ada3bf8d
sha512 34ffe3151ffeeee1c6e5ad92ba41ed9a114f9cf25bebe9eae050e446bc4afb226a921d46bab8fcf1551e974ce578a05e3689f84ed0aeaa737b228ba5b77c2f56
ripemd-160 2b7ecea9ca3794c0da85191115a63d4fd8a7bdd1

18884490 as geometric shapes

Circle

Radius = n
Diameter 37768980
Circumference 118654750.10158
Area 1.1203672208729E+15

Sphere

Radius = n
Volume 2.8210084771869E+22
Surface area 4.4814688834916E+15
Circumference 118654750.10158

Square

Length = n
Perimeter 75537960
Area 356623962560100
Diagonal 26706701.876499

Cube

Length = n
Surface area 2139743775360600
Volume 6.7346616547266E+21
Space diagonal 32708896.155026

Equilateral Triangle

Length = n
Perimeter 56653470
Area 1.5442270558766E+14
Altitude 16354448.077513

Triangular Pyramid

Length = n
Surface area 1.5442270558766E+14
Volume 7.9368748750903E+20
Height 8902233.958833