18491131 (number)

18491131 is an odd 8-digits composite number following 18491130 and preceding 18491132. In scientific notation, it is written as 1.8491131 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18177664 positive integers (up to 18491131) that are relatively prime to 18491131.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety-one thousand one hundred thirty-one

Notation

Scientific notation 1.8491131 × 10^7
Engineering notation 1.8491131 × 10^6

Prime Factorization of 18491131

Prime Factorization 59 × 313409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18491131
Product of the distinct prime numbers

The prime factorization of 18491131 is 59 × 313409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18491131)

Multiplication

n×y
n×2 36982262
n×3 55473393
n×4 73964524
n×5 92455655

Division

n÷y
n÷2 9245565.5
n÷3 6163710.3333333
n÷3 4622782.75
n÷5 3698226.2

Exponentiation

ny
n2 341921925659161
n3 6.3225231191358E+21
n4 1.1691060324647E+29
n5 2.1618092799195E+36

Nth Root

y√n
2√n 4300.1315096169
3√n 264.43635271843
4√n 65.575387986781
5√n 28.404862745362

Divisors of 18491131

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 -18491130
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 18491131 can be divided by 4 positive divisors. The sum of these divisors (counting 18491131) is 1, the average is 0.25.

Base conversion 18491131

Base System Value
2 Binary 1000110100010011011111011
3 Ternary 1021210110001201
4 Quaternary 1012202123323
5 Quinary 14213204011
6 Senary 1500155031
8 Octal 106423373
10 Decimal 18491131
12 Duodecimal 6238a77
16 Hexadecimal 11a26fb
20 Vigesimal 5fb7gb
36 Base36 b0buj

Cryptographic Hash Functions

md5 f7b8c2c6d107bc22e3717f3476079b16
sha1 e6660c69640387bf34b3bef9af6e99d86ff4b173
sha256 4faeabceb1047e55e0a1e1b3d9246947ae457bdbdb9e8390b9b901323b8c4010
sha512 b0330f7567a15baf2393ac1675f86b48e990f9510ab2a09720fe3caf0ea36f80815728e373d739767a2b0400b9080127bc5306b8bebad2c2079b9ffeda10e52c
ripemd-160 f2c7aa748be411cf89626985d29828c96d691897

18491131 as geometric shapes

Circle

Radius = n
Diameter 36982262
Circumference 116183202.61233
Area 1.0741794097521E+15

Sphere

Radius = n
Volume 2.6483722910972E+22
Surface area 4.2967176390084E+15
Circumference 116183202.61233

Square

Length = n
Perimeter 73964524
Area 341921925659161
Diagonal 26150408.243818

Cube

Length = n
Surface area 2051531553954966
Volume 6.3225231191358E+21
Space diagonal 32027578.381412

Equilateral Triangle

Length = n
Perimeter 55473393
Area 1.4805653686586E+14
Altitude 16013789.190706

Triangular Pyramid

Length = n
Surface area 1.4805653686586E+14
Volume 7.4511649529161E+20
Height 8716802.7479392