20421788 (number)

20421788 is an even 8-digits composite number following 20421787 and preceding 20421789. In scientific notation, it is written as 2.0421788 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10037712 positive integers (up to 20421788) that are relatively prime to 20421788.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand seven hundred eighty-eight

Notation

Scientific notation 2.0421788 × 10^7
Engineering notation 2.0421788 × 10^6

Prime Factorization of 20421788

Prime Factorization 2 × 2 × 59 × 86533

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10210894
Product of the distinct prime numbers

The prime factorization of 20421788 is 2 × 2 × 59 × 86533. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421788)

Multiplication

n×y
n×2 40843576
n×3 61265364
n×4 81687152
n×5 102108940

Division

n÷y
n÷2 10210894
n÷3 6807262.6666667
n÷3 5105447
n÷5 4084357.6

Exponentiation

ny
n2 417049425116944
n3 8.5168949452601E+21
n4 1.7393022299037E+29
n5 3.5519661407021E+36

Nth Root

y√n
2√n 4519.0472447187
3√n 273.33668381113
4√n 67.223859192393
5√n 28.974686967108

Divisors of 20421788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421788 can be divided by 12 positive divisors. The sum of these divisors (counting 20421788) is 1, the average is 0.083333333333333.

Base conversion 20421788

Base System Value
2 Binary 1001101111001110010011100
3 Ternary 1102102112102112
4 Quaternary 1031321302130
5 Quinary 20211444123
6 Senary 2005413152
8 Octal 115716234
10 Decimal 20421788
12 Duodecimal 6a0a1b8
16 Hexadecimal 1379c9c
20 Vigesimal 67ce98
36 Base36 c5pjw

Cryptographic Hash Functions

md5 63c724fc7821de8897e46e2741e2ccb7
sha1 8d9d590c073324ddcc4b8eff38bf5797923f174c
sha256 2e1e378a452f1ea633d2f525678e549774f2b7cab80ca96eeb09e96e73f42769
sha512 05bde20c0822d093846ffcdbc4058b2d791f935be7a532f0b2d2f813b7e3ed265cbf24f41c57a0db536fbfc93f48ed49bff5437b14c3b5bb9aaff11fd456f073
ripemd-160 e9a4449afb8dd032d21cd401540056724de703e3

20421788 as geometric shapes

Circle

Radius = n
Diameter 40843576
Circumference 128313878.30794
Area 1.3101994101312E+15

Sphere

Radius = n
Volume 3.56754861219E+22
Surface area 5.240797640525E+15
Circumference 128313878.30794

Square

Length = n
Perimeter 81687152
Area 417049425116944
Diagonal 28880769.557508

Cube

Length = n
Surface area 2502296550701664
Volume 8.5168949452601E+21
Space diagonal 35371574.3974

Equilateral Triangle

Length = n
Perimeter 61265364
Area 1.8058769839248E+14
Altitude 17685787.1987

Triangular Pyramid

Length = n
Surface area 1.8058769839248E+14
Volume 1.0037256950745E+21
Height 9626923.185836