20081749 (number)

20081749 is an odd 8-digits composite number following 20081748 and preceding 20081750. In scientific notation, it is written as 2.0081749 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19752480 positive integers (up to 20081749) that are relatively prime to 20081749.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand seven hundred forty-nine

Notation

Scientific notation 2.0081749 × 10^7
Engineering notation 2.0081749 × 10^6

Prime Factorization of 20081749

Prime Factorization 61 × 329209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20081749
Product of the distinct prime numbers

The prime factorization of 20081749 is 61 × 329209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081749)

Multiplication

n×y
n×2 40163498
n×3 60245247
n×4 80326996
n×5 100408745

Division

n÷y
n÷2 10040874.5
n÷3 6693916.3333333
n÷3 5020437.25
n÷5 4016349.8

Exponentiation

ny
n2 403276642899001
n3 8.0985003202604E+21
n4 1.6263205070789E+29
n5 3.2659360216711E+36

Nth Root

y√n
2√n 4481.266450458
3√n 271.811093783
4√n 66.942262065589
5√n 28.877547501706

Divisors of 20081749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081749 can be divided by 4 positive divisors. The sum of these divisors (counting 20081749) is 1, the average is 0.25.

Base conversion 20081749

Base System Value
2 Binary 1001100100110110001010101
3 Ternary 1101210020222111
4 Quaternary 1030212301111
5 Quinary 20120103444
6 Senary 1554231021
8 Octal 114466125
10 Decimal 20081749
12 Duodecimal 6885471
16 Hexadecimal 1326c55
20 Vigesimal 65a479
36 Base36 byf6d

Cryptographic Hash Functions

md5 6cd01ea5853ccfe244fe8e17dfe81596
sha1 ae90aad0cd1e3bd57bbaab3e232ec5920d31fab5
sha256 7e5f2bc414c30125803f5725648ab460aa795d38b3f381aa444be49bd4e82c56
sha512 39da06eb45516a025acafc67e0d15224ecf48ca3aa28ad8e207c1f582fa606e58b7f6e99d5778b0f4ba3804933e49db0ad90e7e3bf95b0f4199fe1cdea0d9b93
ripemd-160 0150e405026d5c6e26c649ddcca654542c72c5a1

20081749 as geometric shapes

Circle

Radius = n
Diameter 40163498
Circumference 126177350.25927
Area 1.2669309386959E+15

Sphere

Radius = n
Volume 3.3922918814966E+22
Surface area 5.0677237547834E+15
Circumference 126177350.25927

Square

Length = n
Perimeter 80326996
Area 403276642899001
Diagonal 28399881.791972

Cube

Length = n
Surface area 2419659857394006
Volume 8.0985003202604E+21
Space diagonal 34782609.572845

Equilateral Triangle

Length = n
Perimeter 60245247
Area 1.7462390875172E+14
Altitude 17391304.786423

Triangular Pyramid

Length = n
Surface area 1.7462390875172E+14
Volume 9.5441741564959E+20
Height 9466627.2639908