20421684 (number)

20421684 is an even 8-digits composite number following 20421683 and preceding 20421685. In scientific notation, it is written as 2.0421684 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6350400 positive integers (up to 20421684) that are relatively prime to 20421684.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand six hundred eighty-four

Notation

Scientific notation 2.0421684 × 10^7
Engineering notation 2.0421684 × 10^6

Prime Factorization of 20421684

Prime Factorization 2 × 2 × 3 × 2697 × 631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10210842
Product of the distinct prime numbers

The prime factorization of 20421684 is 2 × 2 × 3 × 2697 × 631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421684)

Multiplication

n×y
n×2 40843368
n×3 61265052
n×4 81686736
n×5 102108420

Division

n÷y
n÷2 10210842
n÷3 6807228
n÷3 5105421
n÷5 4084336.8

Exponentiation

ny
n2 417045177395856
n3 8.5167648265021E+21
n4 1.7392667998914E+29
n5 3.5518756979074E+36

Nth Root

y√n
2√n 4519.0357378538
3√n 273.3362198122
4√n 67.223773606172
5√n 28.974657455749

Divisors of 20421684

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20421683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421684 can be divided by 24 positive divisors. The sum of these divisors (counting 20421684) is 1, the average is 0.041666666666667.

Base conversion 20421684

Base System Value
2 Binary 1001101111001110000110100
3 Ternary 1102102112021200
4 Quaternary 1031321300310
5 Quinary 20211443214
6 Senary 2005412500
8 Octal 115716064
10 Decimal 20421684
12 Duodecimal 6a0a130
16 Hexadecimal 1379c34
20 Vigesimal 67ce44
36 Base36 c5ph0

Cryptographic Hash Functions

md5 278038218d0cbecf0bf1b07f31cea392
sha1 65655d58a19b6946de6f1499542dc61cec0bbd25
sha256 e39edb813dd6a54c42b6d603cb368c29fd201a9937452d6adb4916e162b4a94e
sha512 1105b512d16b95b46b24edb674b6a8051eeeec89f4968db7346dd7f7df9b8af1fb01611852f3fa87210c84cc89dff5abb87cd6d078f8fb43a11b70e9f74afb84
ripemd-160 e00b52fc7ccc0b3f55f40d445b1b56746bd86414

20421684 as geometric shapes

Circle

Radius = n
Diameter 40843368
Circumference 128313224.85666
Area 1.3101860655219E+15

Sphere

Radius = n
Volume 3.5674941081721E+22
Surface area 5.2407442620875E+15
Circumference 128313224.85666

Square

Length = n
Perimeter 81686736
Area 417045177395856
Diagonal 28880622.479298

Cube

Length = n
Surface area 2502271064375136
Volume 8.5167648265021E+21
Space diagonal 35371394.264116

Equilateral Triangle

Length = n
Perimeter 61265052
Area 1.805858590753E+14
Altitude 17685697.132058

Triangular Pyramid

Length = n
Surface area 1.805858590753E+14
Volume 1.0037103604318E+21
Height 9626874.1597659