18490213 (number)

18490213 is an odd 8-digits composite number following 18490212 and preceding 18490214. In scientific notation, it is written as 1.8490213 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 15848748 positive integers (up to 18490213) that are relatively prime to 18490213.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety thousand two hundred thirteen

Notation

Scientific notation 1.8490213 × 10^7
Engineering notation 1.8490213 × 10^6

Prime Factorization of 18490213

Prime Factorization 7 × 2641459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18490213
Product of the distinct prime numbers

The prime factorization of 18490213 is 7 × 2641459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18490213)

Multiplication

n×y
n×2 36980426
n×3 55470639
n×4 73960852
n×5 92451065

Division

n÷y
n÷2 9245106.5
n÷3 6163404.3333333
n÷3 4622553.25
n÷5 3698042.6

Exponentiation

ny
n2 341887976785369
n3 6.3215815129005E+21
n4 1.1688738867039E+29
n5 2.1612727135294E+36

Nth Root

y√n
2√n 4300.0247673705
3√n 264.43197662791
4√n 65.574574092178
5√n 28.404580705482

Divisors of 18490213

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 -18490212
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 18490213 can be divided by 4 positive divisors. The sum of these divisors (counting 18490213) is 1, the average is 0.25.

Base conversion 18490213

Base System Value
2 Binary 1000110100010001101100101
3 Ternary 1021210101210201
4 Quaternary 1012202031211
5 Quinary 14213141323
6 Senary 1500150501
8 Octal 106421545
10 Decimal 18490213
12 Duodecimal 6238431
16 Hexadecimal 11a2365
20 Vigesimal 5fb5ad
36 Base36 b0b51

Cryptographic Hash Functions

md5 ea5352bb936071db15262f748ea16cd4
sha1 8b3a5a1e46f0c21023cbf256b37bbf033e50a226
sha256 0729e16e0987c3c3d0aea25783d38600de029ac5c8ab9e53a8172ca9626fa6bf
sha512 e55ef9f44aeb644143afccc4c11d6a6288d2a9658b274467a1115ca06f9b1b704ed7a27ec46ea515dc34bd42701e317f8b1c31b5105bee24ab96b12c0dd4cc61
ripemd-160 081628761a0398e42a3e91dfc103a12191e3fddc

18490213 as geometric shapes

Circle

Radius = n
Diameter 36980426
Circumference 116177434.64822
Area 1.0740727562196E+15

Sphere

Radius = n
Volume 2.6479778719996E+22
Surface area 4.2962910248784E+15
Circumference 116177434.64822

Square

Length = n
Perimeter 73960852
Area 341887976785369
Diagonal 26149109.995767

Cube

Length = n
Surface area 2051327860712214
Volume 6.3215815129005E+21
Space diagonal 32025988.358771

Equilateral Triangle

Length = n
Perimeter 55470639
Area 1.480418365723E+14
Altitude 16012994.179385

Triangular Pyramid

Length = n
Surface area 1.480418365723E+14
Volume 7.4500552593258E+20
Height 8716369.9985891