18389913 (number)

18389913 is an odd 8-digits composite number following 18389912 and preceding 18389914. In scientific notation, it is written as 1.8389913 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 11864400 positive integers (up to 18389913) that are relatively prime to 18389913.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred thirteen

Notation

Scientific notation 1.8389913 × 10^7
Engineering notation 1.8389913 × 10^6

Prime Factorization of 18389913

Prime Factorization 93 × 197741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18389913
Product of the distinct prime numbers

The prime factorization of 18389913 is 93 × 197741. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389913)

Multiplication

n×y
n×2 36779826
n×3 55169739
n×4 73559652
n×5 91949565

Division

n÷y
n÷2 9194956.5
n÷3 6129971
n÷3 4597478.25
n÷5 3677982.6

Exponentiation

ny
n2 338188900147569
n3 6.2192644512795E+21
n4 1.1437173218302E+29
n5 2.1032862045051E+36

Nth Root

y√n
2√n 4288.3461847197
3√n 263.95297314325
4√n 65.485465446309
5√n 28.373697542083

Divisors of 18389913

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 -18389912
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 18389913 can be divided by 4 positive divisors. The sum of these divisors (counting 18389913) is 1, the average is 0.25.

Base conversion 18389913

Base System Value
2 Binary 1000110001001101110011001
3 Ternary 1021121022012220
4 Quaternary 1012021232121
5 Quinary 14201434123
6 Senary 1454054253
8 Octal 106115631
10 Decimal 18389913
12 Duodecimal 61aa389
16 Hexadecimal 1189b99
20 Vigesimal 5eiefd
36 Base36 ay5qx

Cryptographic Hash Functions

md5 129dead7f9e7852c44604929e2f88b0a
sha1 27a462f0c503d45df19bd295c7def64f0fa8e22e
sha256 aaf8bfb4f6db2f0f51253fa08633c1d886e7eac76003a925cf8b42f36728b250
sha512 8e35c2b0d741677044a0570f425bf06eab39237e99809e77330d7af69bab129cfecb48ecd337d55b6c39e3593ab44a3a96de18969d11d832b7eb2bbd9c3bac90
ripemd-160 6b0d77d827d902fe6b91b226a72a35556ce4bd4c

18389913 as geometric shapes

Circle

Radius = n
Diameter 36779826
Circumference 115547231.16191
Area 1.0624517642292E+15

Sphere

Radius = n
Volume 2.6051194014496E+22
Surface area 4.2498070569169E+15
Circumference 115547231.16191

Square

Length = n
Perimeter 73559652
Area 338188900147569
Diagonal 26007264.375461

Cube

Length = n
Surface area 2029133400885414
Volume 6.2192644512795E+21
Space diagonal 31852263.662771

Equilateral Triangle

Length = n
Perimeter 55169739
Area 1.4644008940286E+14
Altitude 15926131.831386

Triangular Pyramid

Length = n
Surface area 1.4644008940286E+14
Volume 7.3294734458203E+20
Height 8669088.1251538