18181009 (number)

18181009 is an odd 8-digits composite number following 18181008 and preceding 18181010. In scientific notation, it is written as 1.8181009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 13970880 positive integers (up to 18181009) that are relatively prime to 18181009.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-one thousand nine

Notation

Scientific notation 1.8181009 × 10^7
Engineering notation 1.8181009 × 10^6

Prime Factorization of 18181009

Prime Factorization 7 × 6853 × 379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18181009
Product of the distinct prime numbers

The prime factorization of 18181009 is 7 × 6853 × 379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18181009)

Multiplication

n×y
n×2 36362018
n×3 54543027
n×4 72724036
n×5 90905045

Division

n÷y
n÷2 9090504.5
n÷3 6060336.3333333
n÷3 4545252.25
n÷5 3636201.8

Exponentiation

ny
n2 330549088258081
n3 6.009715948562E+21
n4 1.0926269974825E+29
n5 1.9865061274872E+36

Nth Root

y√n
2√n 4263.9194410777
3√n 262.94968845856
4√n 65.298694022757
5√n 28.308939244765

Divisors of 18181009

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 -18181008
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 18181009 can be divided by 8 positive divisors. The sum of these divisors (counting 18181009) is 1, the average is 0.125.

Base conversion 18181009

Base System Value
2 Binary 1000101010110101110010001
3 Ternary 1021012200122201
4 Quaternary 1011112232101
5 Quinary 14123243014
6 Senary 1445403201
8 Octal 105265621
10 Decimal 18181009
12 Duodecimal 6109501
16 Hexadecimal 1156b91
20 Vigesimal 5dcca9
36 Base36 atok1

Cryptographic Hash Functions

md5 ccaaa2c849dfbe5bca368ed64f0e6b1b
sha1 6b4f803a83a1fc19717c8d5ac26004406375dc07
sha256 9d4785e509518cd84421939f352796323d08bb612b22d6321ebfb7057f67d468
sha512 ee11139324da115d916c9500ad2b448d1f85e29c315c84a6871745c6e34a5e027b3cd10b066b931d1bc6e27e487921285b71b69c3b725cc4491ecc8ef500e08f
ripemd-160 0500b3e6659613905da2208386582ae5be1f5d48

18181009 as geometric shapes

Circle

Radius = n
Diameter 36362018
Circumference 114234648.6185
Area 1.0384505873224E+15

Sphere

Radius = n
Volume 2.5173439298885E+22
Surface area 4.1538023492896E+15
Circumference 114234648.6185

Square

Length = n
Perimeter 72724036
Area 330549088258081
Diagonal 25711829.505427

Cube

Length = n
Surface area 1983294529548486
Volume 6.009715948562E+21
Space diagonal 31490431.320867

Equilateral Triangle

Length = n
Perimeter 54543027
Area 1.4313195381464E+14
Altitude 15745215.660434

Triangular Pyramid

Length = n
Surface area 1.4313195381464E+14
Volume 7.0825181670552E+20
Height 8570609.8351424