18285989 (number)

18285989 is an odd 8-digits composite number following 18285988 and preceding 18285990. In scientific notation, it is written as 1.8285989 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 17249760 positive integers (up to 18285989) that are relatively prime to 18285989.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighty-five thousand nine hundred eighty-nine

Notation

Scientific notation 1.8285989 × 10^7
Engineering notation 1.8285989 × 10^6

Prime Factorization of 18285989

Prime Factorization 23 × 73 × 10891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18285989
Product of the distinct prime numbers

The prime factorization of 18285989 is 23 × 73 × 10891. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18285989)

Multiplication

n×y
n×2 36571978
n×3 54857967
n×4 73143956
n×5 91429945

Division

n÷y
n÷2 9142994.5
n÷3 6095329.6666667
n÷3 4571497.25
n÷5 3657197.8

Exponentiation

ny
n2 334377393708121
n3 6.1144213431954E+21
n4 1.1180824142304E+29
n5 2.044524272771E+36

Nth Root

y√n
2√n 4276.2119919387
3√n 263.45482172248
4√n 65.392751830296
5√n 28.341556049513

Divisors of 18285989

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 -18285988
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 18285989 can be divided by 8 positive divisors. The sum of these divisors (counting 18285989) is 1, the average is 0.125.

Base conversion 18285989

Base System Value
2 Binary 1000101110000010110100101
3 Ternary 1021102000122212
4 Quaternary 1011300112211
5 Quinary 14140122424
6 Senary 1451533205
8 Octal 105602645
10 Decimal 18285989
12 Duodecimal 615a205
16 Hexadecimal 11705a5
20 Vigesimal 5e5ej9
36 Base36 avxk5

Cryptographic Hash Functions

md5 2bde6fd87815542246fdb082e6b3b949
sha1 50852551a3ad32b86dd83e59a9a50c13963e91a8
sha256 befff01448c3c4d8c57acf8cc3f6e60e975c88fbee6e99abe048c7b748f5feca
sha512 1f5e38398a74f9f5c0ab1b1ca11abd755e2241a5d4baafc7cf35897bfe185c3bb05f51a0b52a3d54a7f99631eda015da18e46d2f4e43811cd2ac878d8a89a6e5
ripemd-160 a674abbde52f121155c2eca3e9ab5020fe42f7fb

18285989 as geometric shapes

Circle

Radius = n
Diameter 36571978
Circumference 114894257.41205
Area 1.0504775635999E+15

Sphere

Radius = n
Volume 2.5612028230314E+22
Surface area 4.2019102543997E+15
Circumference 114894257.41205

Square

Length = n
Perimeter 73143956
Area 334377393708121
Diagonal 25860293.645205

Cube

Length = n
Surface area 2006264362248726
Volume 6.1144213431954E+21
Space diagonal 31672262.014646

Equilateral Triangle

Length = n
Perimeter 54857967
Area 1.4478965870123E+14
Altitude 15836131.007323

Triangular Pyramid

Length = n
Surface area 1.4478965870123E+14
Volume 7.2059146580087E+20
Height 8620097.8817351