18381490 (number)

18381490 is an even 8-digits composite number following 18381489 and preceding 18381491. In scientific notation, it is written as 1.8381490 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 7320880 positive integers (up to 18381490) that are relatively prime to 18381490.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand four hundred ninety

Notation

Scientific notation 1.8381490 × 10^7
Engineering notation 1.8381490 × 10^6

Prime Factorization of 18381490

Prime Factorization 2 × 5 × 239 × 7691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18381490
Product of the distinct prime numbers

The prime factorization of 18381490 is 2 × 5 × 239 × 7691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 44, 69, 712, 242, 2173, 9424, 43800, 36557, 538668, 301167, 199671, 1394002, 28630518, 92886616, 962609668, 123409832, 9935907040, 1661648373

Basic calculations (n = 18381490)

Multiplication

n×y
n×2 36762980
n×3 55144470
n×4 73525960
n×5 91907450

Division

n÷y
n÷2 9190745
n÷3 6127163.3333333
n÷3 4595372.5
n÷5 3676298

Exponentiation

ny
n2 337879174620100
n3 6.2107226694876E+21
n4 1.1416233664196E+29
n5 2.0984738493608E+36

Nth Root

y√n
2√n 4287.3639920119
3√n 263.91266815982
4√n 65.477965698484
5√n 28.371097905512

Divisors of 18381490

1, 2, 5, 10, 239, 478, 1195, 2390, 7691, 15382, 38455, 76910, 1838149, 3676298, 9190745, 18381490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18381489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18381490 can be divided by 16 positive divisors. The sum of these divisors (counting 18381490) is 1, the average is 0.0625.

Base conversion 18381490

Base System Value
2 Binary 1000110000111101010110010
3 Ternary 1021120212122221
4 Quaternary 1012013222302
5 Quinary 14201201430
6 Senary 1453551254
8 Octal 106075262
10 Decimal 18381490
12 Duodecimal 61a552a
16 Hexadecimal 1187ab2
20 Vigesimal 5ehdea
36 Base36 axz8y

Cryptographic Hash Functions

md5 07a525b71039c60f1e61ea435725ff6a
sha1 8150e09eac6edf49c861f016b93fa2fad434a5e7
sha256 f6245bee6419ee179c9f4cd59b5d5d0adb6c8886696b5da6576aa06424911e26
sha512 deab9e3ade51f5a32392488e1ab5c8ae5e0a084c74b46f215151fba4046073df0cf66a01c976f766302a6bc8eba354f3f596953ca484003343f40eaafe17c44e
ripemd-160 10a45b02b0aeb25450c8fcc8da37ca3e723e0669

18381490 as geometric shapes

Circle

Radius = n
Diameter 36762980
Circumference 115494307.89207
Area 1.0614787327875E+15

Sphere

Radius = n
Volume 2.6015414282595E+22
Surface area 4.24591493115E+15
Circumference 115494307.89207

Square

Length = n
Perimeter 73525960
Area 337879174620100
Diagonal 25995352.454625

Cube

Length = n
Surface area 2027275047720600
Volume 6.2107226694876E+21
Space diagonal 31837674.598819

Equilateral Triangle

Length = n
Perimeter 55144470
Area 1.4630597431536E+14
Altitude 15918837.29941

Triangular Pyramid

Length = n
Surface area 1.4630597431536E+14
Volume 7.3194068594395E+20
Height 8665117.4848751