20687005 (number)

20687005 is an odd 8-digits composite number following 20687004 and preceding 20687006. In scientific notation, it is written as 2.0687005 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15281728 positive integers (up to 20687005) that are relatively prime to 20687005.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand five

Notation

Scientific notation 2.0687005 × 10^7
Engineering notation 2.0687005 × 10^6

Prime Factorization of 20687005

Prime Factorization 5 × 23 × 29 × 6203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687005
Product of the distinct prime numbers

The prime factorization of 20687005 is 5 × 23 × 29 × 6203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687005)

Multiplication

n×y
n×2 41374010
n×3 62061015
n×4 82748020
n×5 103435025

Division

n÷y
n÷2 10343502.5
n÷3 6895668.3333333
n÷3 5171751.25
n÷5 4137401

Exponentiation

ny
n2 427952175870025
n3 8.8530488019841E+21
n4 1.8314306483189E+29
n5 3.7886814978926E+36

Nth Root

y√n
2√n 4548.2969340183
3√n 274.51486919608
4√n 67.441062669699
5√n 29.049557669669

Divisors of 20687005

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 -20687004
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 20687005 can be divided by 16 positive divisors. The sum of these divisors (counting 20687005) is 1, the average is 0.0625.

Base conversion 20687005

Base System Value
2 Binary 1001110111010100010011101
3 Ternary 1102221000020101
4 Quaternary 1032322202131
5 Quinary 20243441010
6 Senary 2015221101
8 Octal 116724235
10 Decimal 20687005
12 Duodecimal 6b17791
16 Hexadecimal 13ba89d
20 Vigesimal 695ha5
36 Base36 cbe71

Cryptographic Hash Functions

md5 3bdddb43c7e31029810b13476cf7578a
sha1 b5eb7ba6516b36d3ed38ced7765943e9a63e12be
sha256 dff55b529014aa5113b83a23f505e7e22296c6d9d4acda778d4f9c7fe2c7d9d7
sha512 6b2a5163dd1e25e67452a3c2a3491e7563b2ddad1a48759662ae54e1649e53819253b6896ad4738b35f8c7238a283449c7d13617ff24e9b71beeb0a043cd03e4
ripemd-160 135a9ee3ad17a8268c71ba9c91cae387a56b6af7

20687005 as geometric shapes

Circle

Radius = n
Diameter 41374010
Circumference 129980285.86555
Area 1.344451411801E+15

Sphere

Radius = n
Volume 3.7083564104247E+22
Surface area 5.3778056472042E+15
Circumference 129980285.86555

Square

Length = n
Perimeter 82748020
Area 427952175870025
Diagonal 29255843.03588

Cube

Length = n
Surface area 2567713055220150
Volume 8.8530488019841E+21
Space diagonal 35830943.716431

Equilateral Triangle

Length = n
Perimeter 62061015
Area 1.8530872795413E+14
Altitude 17915471.858216

Triangular Pyramid

Length = n
Surface area 1.8530872795413E+14
Volume 1.0433418070097E+21
Height 9751947.6786267