20687568 (number)

20687568 is an even 8-digits composite number following 20687567 and preceding 20687569. In scientific notation, it is written as 2.0687568 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 6268800 positive integers (up to 20687568) that are relatively prime to 20687568.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand five hundred sixty-eight

Notation

Scientific notation 2.0687568 × 10^7
Engineering notation 2.0687568 × 10^6

Prime Factorization of 20687568

Prime Factorization 2 × 2 × 2 × 2 × 33 × 39181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585946
Product of the distinct prime numbers

The prime factorization of 20687568 is 2 × 2 × 2 × 2 × 33 × 39181. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687568)

Multiplication

n×y
n×2 41375136
n×3 62062704
n×4 82750272
n×5 103437840

Division

n÷y
n÷2 10343784
n÷3 6895856
n÷3 5171892
n÷5 4137513.6

Exponentiation

ny
n2 427975469754624
n3 8.8537716328807E+21
n4 1.8316300271169E+29
n5 3.7891970736823E+36

Nth Root

y√n
2√n 4548.358824895
3√n 274.51735949485
4√n 67.441521519721
5√n 29.049715785577

Divisors of 20687568

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687568 can be divided by 20 positive divisors. The sum of these divisors (counting 20687568) is 1, the average is 0.05.

Base conversion 20687568

Base System Value
2 Binary 1001110111010101011010000
3 Ternary 1102221001000020
4 Quaternary 1032322223100
5 Quinary 20244000233
6 Senary 2015223440
8 Octal 116725320
10 Decimal 20687568
12 Duodecimal 6b17b80
16 Hexadecimal 13baad0
20 Vigesimal 695ii8
36 Base36 cbemo

Cryptographic Hash Functions

md5 4e27704385f6e784be06b266a3bd79c2
sha1 6add9effa5ddc03c49450a36bd3ffd0c2f5fbc60
sha256 9e81c9dcd3e2f8551972c0d5111479f379a0abd3e2e18d73408ff6b9d4127ca8
sha512 8788c98b62021dd8240acc158c1b614eb77a01c8d0f88509757bad095d5069d6bfffb506a2c56653d601f7ee8cae3f1363fcdacc4f208881482c8fcc6728e59e
ripemd-160 2c838fa63170543daccac62a333824c0e8968093

20687568 as geometric shapes

Circle

Radius = n
Diameter 41375136
Circumference 129983823.29888
Area 1.3445245916978E+15

Sphere

Radius = n
Volume 3.7086591891226E+22
Surface area 5.3780983667911E+15
Circumference 129983823.29888

Square

Length = n
Perimeter 82750272
Area 427975469754624
Diagonal 29256639.238116

Cube

Length = n
Surface area 2567852818527744
Volume 8.8537716328807E+21
Space diagonal 35831918.861036

Equilateral Triangle

Length = n
Perimeter 62062704
Area 1.8531881450204E+14
Altitude 17915959.430518

Triangular Pyramid

Length = n
Surface area 1.8531881450204E+14
Volume 1.0434269934478E+21
Height 9752213.0793719