20686984 (number)

20686984 is an even 8-digits composite number following 20686983 and preceding 20686985. In scientific notation, it is written as 2.0686984 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 10330320 positive integers (up to 20686984) that are relatively prime to 20686984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686984 × 10^7
Engineering notation 2.0686984 × 10^6

Prime Factorization of 20686984

Prime Factorization 2 × 2 × 2 × 1291 × 2003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5171746
Product of the distinct prime numbers

The prime factorization of 20686984 is 2 × 2 × 2 × 1291 × 2003. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686984)

Multiplication

n×y
n×2 41373968
n×3 62060952
n×4 82747936
n×5 103434920

Division

n÷y
n÷2 10343492
n÷3 6895661.3333333
n÷3 5171746
n÷5 4137396.8

Exponentiation

ny
n2 427951307016256
n3 8.8530218410244E+21
n4 1.8314232117692E+29
n5 3.7886622679098E+36

Nth Root

y√n
2√n 4548.2946254613
3√n 274.51477630662
4√n 67.441045554331
5√n 29.049551771851

Divisors of 20686984

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 -20686983
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 20686984 can be divided by 16 positive divisors. The sum of these divisors (counting 20686984) is 1, the average is 0.0625.

Base conversion 20686984

Base System Value
2 Binary 1001110111010100010001000
3 Ternary 1102221000012121
4 Quaternary 1032322202020
5 Quinary 20243440414
6 Senary 2015221024
8 Octal 116724210
10 Decimal 20686984
12 Duodecimal 6b17774
16 Hexadecimal 13ba888
20 Vigesimal 695h94
36 Base36 cbe6g

Cryptographic Hash Functions

md5 b97c0bad17ffc060d96d757aca3c61d3
sha1 8ffdade06b406ea762a719afc873faac3a623217
sha256 d79164ff6c169cc1e74d995bc61d093ab85a37d3f2e2b35e2ef948af0223a388
sha512 3124d1ea4c3811764813b958316702b19b080a14974683f0a345c72efe461787102d427548df763b1b500d5574176be7b9bda523f65ad323af5941f336d253e8
ripemd-160 9df436d0e10e3bc085966d2c8fd82f4d4c8a5e7f

20686984 as geometric shapes

Circle

Radius = n
Diameter 41373968
Circumference 129980153.91866
Area 1.3444486822164E+15

Sphere

Radius = n
Volume 3.7083451170443E+22
Surface area 5.3777947288657E+15
Circumference 129980153.91866

Square

Length = n
Perimeter 82747936
Area 427951307016256
Diagonal 29255813.337395

Cube

Length = n
Surface area 2567707842097536
Volume 8.8530218410244E+21
Space diagonal 35830907.343364

Equilateral Triangle

Length = n
Perimeter 62060952
Area 1.8530835172942E+14
Altitude 17915453.671682

Triangular Pyramid

Length = n
Surface area 1.8530835172942E+14
Volume 1.0433386296302E+21
Height 9751937.7791317