18012913 (number)

18012913 is an odd 8-digits composite number following 18012912 and preceding 18012914. In scientific notation, it is written as 1.8012913 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17759140 positive integers (up to 18012913) that are relatively prime to 18012913.

Interesting facts

Basic properties

Name

Name eighteen million twelve thousand nine hundred thirteen

Notation

Scientific notation 1.8012913 × 10^7
Engineering notation 1.8012913 × 10^6

Prime Factorization of 18012913

Prime Factorization 71 × 253703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18012913
Product of the distinct prime numbers

The prime factorization of 18012913 is 71 × 253703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18012913)

Multiplication

n×y
n×2 36025826
n×3 54038739
n×4 72051652
n×5 90064565

Division

n÷y
n÷2 9006456.5
n÷3 6004304.3333333
n÷3 4503228.25
n÷5 3602582.6

Exponentiation

ny
n2 324465034745569
n3 5.8445604424139E+21
n4 1.0527755877244E+29
n5 1.8963555070204E+36

Nth Root

y√n
2√n 4244.1622259287
3√n 262.13679413257
4√n 65.147234982988
5√n 28.256397425928

Divisors of 18012913

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 -18012912
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 18012913 can be divided by 4 positive divisors. The sum of these divisors (counting 18012913) is 1, the average is 0.25.

Base conversion 18012913

Base System Value
2 Binary 1000100101101101011110001
3 Ternary 1020220011001221
4 Quaternary 1010231223301
5 Quinary 14102403123
6 Senary 1442025041
8 Octal 104555361
10 Decimal 18012913
12 Duodecimal 6048181
16 Hexadecimal 112daf1
20 Vigesimal 5cbc5d
36 Base36 aq2up

Cryptographic Hash Functions

md5 0d3c99b6829a834372b2120bd367a2b5
sha1 0a3af62baf1b803b4346c13d4d8429d13d8b8d0a
sha256 b37bca405cd9484f1d0676ddca3146449b2660098d2659e25973b980e8866227
sha512 10a0866aa939985fd850612198deca09d67390a5322c2920a65250f4be6881bd965a30fac0a905b89aeff58a5ff9432d5828906ac5990228ad89c9a0ca15b47b
ripemd-160 cdd6a958c96fc365f1af55394e3dd64dc4fff410

18012913 as geometric shapes

Circle

Radius = n
Diameter 36025826
Circumference 113178470.3011
Area 1.0193369695034E+15

Sphere

Radius = n
Volume 2.4481637532465E+22
Surface area 4.0773478780137E+15
Circumference 113178470.3011

Square

Length = n
Perimeter 72051652
Area 324465034745569
Diagonal 25474105.862447

Cube

Length = n
Surface area 1946790208473414
Volume 5.8445604424139E+21
Space diagonal 31199280.508318

Equilateral Triangle

Length = n
Perimeter 54038739
Area 1.4049748136473E+14
Altitude 15599640.254159

Triangular Pyramid

Length = n
Surface area 1.4049748136473E+14
Volume 6.8878805364759E+20
Height 8491368.6208155