18385939 (number)

18385939 is an odd 8-digits composite number following 18385938 and preceding 18385940. In scientific notation, it is written as 1.8385939 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors. There are 14256000 positive integers (up to 18385939) that are relatively prime to 18385939.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand nine hundred thirty-nine

Notation

Scientific notation 1.8385939 × 10^7
Engineering notation 1.8385939 × 10^6

Prime Factorization of 18385939

Prime Factorization 101 × 13 × 11 × 19 × 67

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18385939
Product of the distinct prime numbers

The prime factorization of 18385939 is 101 × 13 × 11 × 19 × 67. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18385939)

Multiplication

n×y
n×2 36771878
n×3 55157817
n×4 73543756
n×5 91929695

Division

n÷y
n÷2 9192969.5
n÷3 6128646.3333333
n÷3 4596484.75
n÷5 3677187.8

Exponentiation

ny
n2 338042752911721
n3 6.215233434427E+21
n4 1.1427290279613E+29
n5 2.1010146201627E+36

Nth Root

y√n
2√n 4287.8828108986
3√n 263.93395864905
4√n 65.481927360903
5√n 28.372471143439

Divisors of 18385939

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18385938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18385939 can be divided by 32 positive divisors. The sum of these divisors (counting 18385939) is 1, the average is 0.03125.

Base conversion 18385939

Base System Value
2 Binary 1000110001000110000010011
3 Ternary 1021121002202201
4 Quaternary 1012020300103
5 Quinary 14201322224
6 Senary 1454024031
8 Octal 106106023
10 Decimal 18385939
12 Duodecimal 61a8017
16 Hexadecimal 1188c13
20 Vigesimal 5ei4gj
36 Base36 ay2oj

Cryptographic Hash Functions

md5 c1f56ebe3f5c8e107a5c2b9a8d2b8ccd
sha1 ef50af42771417079177f47111524850cb270853
sha256 291441c478a8c60a7174337ddeca7e05149ece8cf83672789f217670ba2bb362
sha512 8801a4c37d2ee5f81e488fc3ba96058247f1bd6afb222ba2662f309aaae0e5deee9817cd06136787df2e954c55b9dbc95c00f77d2957b836ec186315411ebc13
ripemd-160 c71bd8f8390dc9a4fb29114f49371dc555af997b

18385939 as geometric shapes

Circle

Radius = n
Diameter 36771878
Circumference 115522261.7835
Area 1.0619926291467E+15

Sphere

Radius = n
Volume 2.6034308930589E+22
Surface area 4.2479705165869E+15
Circumference 115522261.7835

Square

Length = n
Perimeter 73543756
Area 338042752911721
Diagonal 26001644.290764

Cube

Length = n
Surface area 2028256517470326
Volume 6.215233434427E+21
Space diagonal 31845380.492862

Equilateral Triangle

Length = n
Perimeter 55157817
Area 1.4637680579339E+14
Altitude 15922690.246431

Triangular Pyramid

Length = n
Surface area 1.4637680579339E+14
Volume 7.3247228469011E+20
Height 8667214.7635881