20408745 (number)

20408745 is an odd 8-digits composite number following 20408744 and preceding 20408746. In scientific notation, it is written as 2.0408745 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 9329376 positive integers (up to 20408745) that are relatively prime to 20408745.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand seven hundred forty-five

Notation

Scientific notation 2.0408745 × 10^7
Engineering notation 2.0408745 × 10^6

Prime Factorization of 20408745

Prime Factorization 3 × 35 × 7 × 27767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20408745
Product of the distinct prime numbers

The prime factorization of 20408745 is 3 × 35 × 7 × 27767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408745)

Multiplication

n×y
n×2 40817490
n×3 61226235
n×4 81634980
n×5 102043725

Division

n÷y
n÷2 10204372.5
n÷3 6802915
n÷3 5102186.25
n÷5 4081749

Exponentiation

ny
n2 416516872475025
n3 8.5005866385403E+21
n4 1.7348630505638E+29
n5 3.5406377608878E+36

Nth Root

y√n
2√n 4517.6039002994
3√n 273.27847980488
4√n 67.213122976837
5√n 28.970984907069

Divisors of 20408745

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 -20408744
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 20408745 can be divided by 16 positive divisors. The sum of these divisors (counting 20408745) is 1, the average is 0.0625.

Base conversion 20408745

Base System Value
2 Binary 1001101110110100110101001
3 Ternary 1102101212112110
4 Quaternary 1031312212221
5 Quinary 20211034440
6 Senary 2005232533
8 Octal 115664651
10 Decimal 20408745
12 Duodecimal 6a02749
16 Hexadecimal 13769a9
20 Vigesimal 67b1h5
36 Base36 c5fhl

Cryptographic Hash Functions

md5 29d033878d8019e154def14a16fdae16
sha1 eb449175e05ef25a4815b8977319c5bbbd249f8b
sha256 c49a5b733eae1a1156bfde4890103254105a5256f0f1c902411f20dfb165d1b2
sha512 be97e8772d34abc55dc90ba4c99a818e682bb1bef6f16b343179c74d9707261c41510e5c629e786974c8adef726eddfd1241345471e1f2f9d7650bc2d42db638
ripemd-160 f341f5641e1c82263bdcfbe250fb152a5fb744df

20408745 as geometric shapes

Circle

Radius = n
Diameter 40817490
Circumference 128231926.72197
Area 1.3085263466637E+15

Sphere

Radius = n
Volume 3.5607174046456E+22
Surface area 5.2341053866549E+15
Circumference 128231926.72197

Square

Length = n
Perimeter 81634980
Area 416516872475025
Diagonal 28862323.970014

Cube

Length = n
Surface area 2499101234850150
Volume 8.5005866385403E+21
Space diagonal 35348983.258717

Equilateral Triangle

Length = n
Perimeter 61226235
Area 1.8035709633411E+14
Altitude 17674491.629359

Triangular Pyramid

Length = n
Surface area 1.8035709633411E+14
Volume 1.0018037426959E+21
Height 9620774.6566714