18013985 (number)

18013985 is an odd 8-digits composite number following 18013984 and preceding 18013986. In scientific notation, it is written as 1.8013985 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 12974400 positive integers (up to 18013985) that are relatively prime to 18013985.

Interesting facts

Basic properties

Name

Name eighteen million thirteen thousand nine hundred eighty-five

Notation

Scientific notation 1.8013985 × 10^7
Engineering notation 1.8013985 × 10^6

Prime Factorization of 18013985

Prime Factorization 5 × 11 × 107 × 3061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18013985
Product of the distinct prime numbers

The prime factorization of 18013985 is 5 × 11 × 107 × 3061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 28, 62, 957, 138, 7701, 4058, 70959, 60873, 431467, 812196, 7023773, 4016045, 2789972, 32641127, 906618117, 441907543, 909464339, 2707124337

Basic calculations (n = 18013985)

Multiplication

n×y
n×2 36027970
n×3 54041955
n×4 72055940
n×5 90069925

Division

n÷y
n÷2 9006992.5
n÷3 6004661.6666667
n÷3 4503496.25
n÷5 3602797

Exponentiation

ny
n2 324503655580225
n3 5.8456039840673E+21
n4 1.0530262248493E+29
n5 1.8969198619042E+36

Nth Root

y√n
2√n 4244.2885151695
3√n 262.14199419968
4√n 65.148204235954
5√n 28.256733741736

Divisors of 18013985

1, 5, 11, 55, 107, 535, 1177, 3061, 5885, 15305, 33671, 168355, 327527, 1637635, 3602797, 18013985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18013984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18013985 can be divided by 16 positive divisors. The sum of these divisors (counting 18013985) is 1, the average is 0.0625.

Base conversion 18013985

Base System Value
2 Binary 1000100101101111100100001
3 Ternary 1020220012112122
4 Quaternary 1010231330201
5 Quinary 14102421420
6 Senary 1442034025
8 Octal 104557441
10 Decimal 18013985
12 Duodecimal 6048915
16 Hexadecimal 112df21
20 Vigesimal 5cbej5
36 Base36 aq3oh

Cryptographic Hash Functions

md5 89aedd48d95730366acdea41a31bfe1e
sha1 bd43c0413d7ffb610ed5f3c87dfd1e52e66d15c4
sha256 7e79738347b76bf6404cc52a91057e6a01999f444bf320127518c53a1b7f3715
sha512 e6f02f9aca2b331c47c9e3822bd7f876cc445979cbd4c1ff064fceb46d02e84b9f499b0806428c5b4485768679bcfcea367884406391522f96cea49e1feb237f
ripemd-160 c9dfcda4802ebf85efdb9f585306c624ccfff26f

18013985 as geometric shapes

Circle

Radius = n
Diameter 36027970
Circumference 113185205.87575
Area 1.0194583004339E+15

Sphere

Radius = n
Volume 2.4486008709522E+22
Surface area 4.0778332017355E+15
Circumference 113185205.87575

Square

Length = n
Perimeter 72055940
Area 324503655580225
Diagonal 25475621.899386

Cube

Length = n
Surface area 1947021933481350
Volume 5.8456039840673E+21
Space diagonal 31201137.266784

Equilateral Triangle

Length = n
Perimeter 54041955
Area 1.405142046767E+14
Altitude 15600568.633392

Triangular Pyramid

Length = n
Surface area 1.405142046767E+14
Volume 6.8891103621085E+20
Height 8491873.9664618