20389640 (number)

20389640 is an even 8-digits composite number following 20389639 and preceding 20389641. In scientific notation, it is written as 2.0389640 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 8155840 positive integers (up to 20389640) that are relatively prime to 20389640.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand six hundred forty

Notation

Scientific notation 2.0389640 × 10^7
Engineering notation 2.0389640 × 10^6

Prime Factorization of 20389640

Prime Factorization 2 × 2 × 2 × 5 × 509741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5097410
Product of the distinct prime numbers

The prime factorization of 20389640 is 2 × 2 × 2 × 5 × 509741. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389640)

Multiplication

n×y
n×2 40779280
n×3 61168920
n×4 81558560
n×5 101948200

Division

n÷y
n÷2 10194820
n÷3 6796546.6666667
n÷3 5097410
n÷5 4077928

Exponentiation

ny
n2 415737419329600
n3 8.4767363146596E+21
n4 1.7283760183084E+29
n5 3.5240964797941E+36

Nth Root

y√n
2√n 4515.488899333
3√n 273.19317951885
4√n 67.197387593068
5√n 28.965558820985

Divisors of 20389640

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 -20389639
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 20389640 can be divided by 16 positive divisors. The sum of these divisors (counting 20389640) is 1, the average is 0.0625.

Base conversion 20389640

Base System Value
2 Binary 1001101110001111100001000
3 Ternary 1102100220022212
4 Quaternary 1031301330020
5 Quinary 20204432030
6 Senary 2005004252
8 Octal 115617410
10 Decimal 20389640
12 Duodecimal 69b3688
16 Hexadecimal 1371f08
20 Vigesimal 678e20
36 Base36 c50qw

Cryptographic Hash Functions

md5 7bd5c9d72df19115c8a8755707ac6ad8
sha1 384eccc6c3ea39827a729cc3723d377d6e432205
sha256 46d661348cf5ec2846ce824d57329e82a077b5d0027a2fcfbb38c1a0c06f5e97
sha512 adb92dba8889fc8bb9616a0ed95ace8a06c97c9d17372ccb674c3ab0b5332f08fc96c8d960865e1c2a58f207b7a137d7e281ab0c567f774df534cbd7c1009dd0
ripemd-160 bff4be042af144ff5ea4592ed6f8dbc29ed7b3d5

20389640 as geometric shapes

Circle

Radius = n
Diameter 40779280
Circumference 128111886.46668
Area 1.3060776223883E+15

Sphere

Radius = n
Volume 3.5507270043403E+22
Surface area 5.224310489553E+15
Circumference 128111886.46668

Square

Length = n
Perimeter 81558560
Area 415737419329600
Diagonal 28835305.419905

Cube

Length = n
Surface area 2494424515977600
Volume 8.4767363146596E+21
Space diagonal 35315892.428039

Equilateral Triangle

Length = n
Perimeter 61168920
Area 1.8001958322161E+14
Altitude 17657946.214019

Triangular Pyramid

Length = n
Surface area 1.8001958322161E+14
Volume 9.9899295507101E+20
Height 9611768.4733017