18890090 (number)

18890090 is an even 8-digits composite number following 18890089 and preceding 18890091. In scientific notation, it is written as 1.8890090 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 7556032 positive integers (up to 18890090) that are relatively prime to 18890090.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred ninety thousand ninety

Notation

Scientific notation 1.8890090 × 10^7
Engineering notation 1.8890090 × 10^6

Prime Factorization of 18890090

Prime Factorization 2 × 5 × 1889009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18890090
Product of the distinct prime numbers

The prime factorization of 18890090 is 2 × 5 × 1889009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18890090)

Multiplication

n×y
n×2 37780180
n×3 56670270
n×4 75560360
n×5 94450450

Division

n÷y
n÷2 9445045
n÷3 6296696.6666667
n÷3 4722522.5
n÷5 3778018

Exponentiation

ny
n2 356835500208100
n3 6.740654714126E+21
n4 1.2733157420876E+29
n5 2.4053048966452E+36

Nth Root

y√n
2√n 4346.2731161306
3√n 266.32463614705
4√n 65.926270303504
5√n 28.526389344822

Divisors of 18890090

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 -18890089
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 18890090 can be divided by 8 positive divisors. The sum of these divisors (counting 18890090) is 1, the average is 0.125.

Base conversion 18890090

Base System Value
2 Binary 1001000000011110101101010
3 Ternary 1022112201022222
4 Quaternary 1020003311222
5 Quinary 14313440330
6 Senary 1512514042
8 Octal 110036552
10 Decimal 18890090
12 Duodecimal 63ab922
16 Hexadecimal 1203d6a
20 Vigesimal 5i154a
36 Base36 b8voq

Cryptographic Hash Functions

md5 dff4f3cee542b78fb8a8ed7a7cfb3b70
sha1 2cf635740bd62102e1adf116a7ba1a9305f6760d
sha256 7de0461ea745e3946e239b63d366e2c3c7ea3c58cf8aba65bb8aea0632592955
sha512 4f958aa7f606821b53aea05b1a13dadae2458096442b99bb88841cda0d139d430a731a96535e90ca4bf37d65bc303266df20f4fd070ab0e4b5bcbdeb82b5dcb4
ripemd-160 831220414e20e299d56d9cc0d4e95ad1bd98a04d

18890090 as geometric shapes

Circle

Radius = n
Diameter 37780180
Circumference 118689935.9393
Area 1.1210317859938E+15

Sphere

Radius = n
Volume 2.8235188440378E+22
Surface area 4.4841271439752E+15
Circumference 118689935.9393

Square

Length = n
Perimeter 75560360
Area 356835500208100
Diagonal 26714621.472448

Cube

Length = n
Surface area 2141013001248600
Volume 6.740654714126E+21
Space diagonal 32718595.639549

Equilateral Triangle

Length = n
Perimeter 56670270
Area 1.5451430407617E+14
Altitude 16359297.819774

Triangular Pyramid

Length = n
Surface area 1.5451430407617E+14
Volume 7.943937763326E+20
Height 8904873.8241495