18381009 (number)

18381009 is an odd 8-digits composite number following 18381008 and preceding 18381010. In scientific notation, it is written as 1.8381009 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12098736 positive integers (up to 18381009) that are relatively prime to 18381009.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand nine

Notation

Scientific notation 1.8381009 × 10^7
Engineering notation 1.8381009 × 10^6

Prime Factorization of 18381009

Prime Factorization 3 × 79 × 77557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18381009
Product of the distinct prime numbers

The prime factorization of 18381009 is 3 × 79 × 77557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381009)

Multiplication

n×y
n×2 36762018
n×3 55143027
n×4 73524036
n×5 91905045

Division

n÷y
n÷2 9190504.5
n÷3 6127003
n÷3 4595252.25
n÷5 3676201.8

Exponentiation

ny
n2 337861491858081
n3 6.2102351225968E+21
n4 1.1415038768057E+29
n5 2.09819930331E+36

Nth Root

y√n
2√n 4287.307896571
3√n 263.9103661502
4√n 65.477537343512
5√n 28.370949423088

Divisors of 18381009

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 -18381008
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 18381009 can be divided by 8 positive divisors. The sum of these divisors (counting 18381009) is 1, the average is 0.125.

Base conversion 18381009

Base System Value
2 Binary 1000110000111100011010001
3 Ternary 1021120212000010
4 Quaternary 1012013203101
5 Quinary 14201143014
6 Senary 1453545133
8 Octal 106074321
10 Decimal 18381009
12 Duodecimal 61a51a9
16 Hexadecimal 11878d1
20 Vigesimal 5ehca9
36 Base36 axyvl

Cryptographic Hash Functions

md5 970c1d884ca6aa0dc7eed164264006a8
sha1 9e83fcc3c46eaba8b3eb3d2bf9609e97f2de0d49
sha256 50c0f103567395fad6b32244c6de5e8b6cf84f1b605daeafd5c8854bfefbbecb
sha512 7d81cb9aa41205b3c3986106c83a2b383f6abe7e39ac3d14f2ed4847d1cbb259f02e16d327cc5badc7c32b0f85b283b3b838e4cd0bed218d9c119e364c5863a6
ripemd-160 17d652f98fea29493524a25c2f4b4dd4fe5defbb

18381009 as geometric shapes

Circle

Radius = n
Diameter 36762018
Circumference 115491285.67994
Area 1.0614231807522E+15

Sphere

Radius = n
Volume 2.6013372050954E+22
Surface area 4.2456927230089E+15
Circumference 115491285.67994

Square

Length = n
Perimeter 73524036
Area 337861491858081
Diagonal 25994672.217902

Cube

Length = n
Surface area 2027168951148486
Volume 6.2102351225968E+21
Space diagonal 31836841.482381

Equilateral Triangle

Length = n
Perimeter 55143027
Area 1.462983174548E+14
Altitude 15918420.74119

Triangular Pyramid

Length = n
Surface area 1.462983174548E+14
Volume 7.3188322799185E+20
Height 8664890.7393006