18394913 (number)

18394913 is an odd 8-digits composite number following 18394912 and preceding 18394914. In scientific notation, it is written as 1.8394913 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18161988 positive integers (up to 18394913) that are relatively prime to 18394913.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-four thousand nine hundred thirteen

Notation

Scientific notation 1.8394913 × 10^7
Engineering notation 1.8394913 × 10^6

Prime Factorization of 18394913

Prime Factorization 79 × 232847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18394913
Product of the distinct prime numbers

The prime factorization of 18394913 is 79 × 232847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18394913)

Multiplication

n×y
n×2 36789826
n×3 55184739
n×4 73579652
n×5 91974565

Division

n÷y
n÷2 9197456.5
n÷3 6131637.6666667
n÷3 4598728.25
n÷5 3678982.6

Exponentiation

ny
n2 338372824277569
n3 6.2243386641502E+21
n4 1.1449616820958E+29
n5 2.1061470530486E+36

Nth Root

y√n
2√n 4288.9291204216
3√n 263.97689287349
4√n 65.489916173573
5√n 28.375240268917

Divisors of 18394913

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 -18394912
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 18394913 can be divided by 4 positive divisors. The sum of these divisors (counting 18394913) is 1, the average is 0.25.

Base conversion 18394913

Base System Value
2 Binary 1000110001010111100100001
3 Ternary 1021121120002002
4 Quaternary 1012022330201
5 Quinary 14202114123
6 Senary 1454133345
8 Octal 106127441
10 Decimal 18394913
12 Duodecimal 61b1255
16 Hexadecimal 118af21
20 Vigesimal 5ej75d
36 Base36 ay9lt

Cryptographic Hash Functions

md5 453457b7f8a9ce5d4aa3843c12f10fd2
sha1 32d4a1dacaea8aae89cdcde1efd8ac21068216ad
sha256 3bbf5a021b4364a8aebb4b9658818c797321c4882365c7a15af7a907fe9c8f64
sha512 ca9ac9f1754e573845a9250afee5e98e69a03f5ae19ab04680a30a651fb539a1231e9359820c22a892562423a62adcdc1ad39b0d872038b1469ac4728e790ef9
ripemd-160 fdbe34bf0d607656a95f33021be7c87091f6b56e

18394913 as geometric shapes

Circle

Radius = n
Diameter 36789826
Circumference 115578647.08845
Area 1.0630295789248E+15

Sphere

Radius = n
Volume 2.6072448827665E+22
Surface area 4.2521183156994E+15
Circumference 115578647.08845

Square

Length = n
Perimeter 73579652
Area 338372824277569
Diagonal 26014335.443273

Cube

Length = n
Surface area 2030236945665414
Volume 6.2243386641502E+21
Space diagonal 31860923.916809

Equilateral Triangle

Length = n
Perimeter 55184739
Area 1.4651973088733E+14
Altitude 15930461.958405

Triangular Pyramid

Length = n
Surface area 1.4651973088733E+14
Volume 7.335453463037E+20
Height 8671445.1477577