20130945 (number)

20130945 is an odd 8-digits composite number following 20130944 and preceding 20130946. In scientific notation, it is written as 2.0130945 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 10736496 positive integers (up to 20130945) that are relatively prime to 20130945.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand nine hundred forty-five

Notation

Scientific notation 2.0130945 × 10^7
Engineering notation 2.0130945 × 10^6

Prime Factorization of 20130945

Prime Factorization 15 × 1342063

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20130945
Product of the distinct prime numbers

The prime factorization of 20130945 is 15 × 1342063. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130945)

Multiplication

n×y
n×2 40261890
n×3 60392835
n×4 80523780
n×5 100654725

Division

n÷y
n÷2 10065472.5
n÷3 6710315
n÷3 5032736.25
n÷5 4026189

Exponentiation

ny
n2 405254946593025
n3 8.1581650408421E+21
n4 1.6423157173812E+29
n5 3.3061367379236E+36

Nth Root

y√n
2√n 4486.7521660997
3√n 272.03287250484
4√n 66.983223019646
5√n 28.891682423363

Divisors of 20130945

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 -20130944
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 20130945 can be divided by 4 positive divisors. The sum of these divisors (counting 20130945) is 1, the average is 0.25.

Base conversion 20130945

Base System Value
2 Binary 1001100110010110010000001
3 Ternary 1101212202110120
4 Quaternary 1030302302001
5 Quinary 20123142240
6 Senary 1555250453
8 Octal 114626201
10 Decimal 20130945
12 Duodecimal 68a9a29
16 Hexadecimal 1332c81
20 Vigesimal 65g775
36 Base36 bzh4x

Cryptographic Hash Functions

md5 3a135b60bec880c74d8021ce355ca081
sha1 2bf340dd74b11b25a6eb2548e74d6e80ef0791d2
sha256 7d4973581e9da522280e8d5b7aab28b89f3bfae29dc722d23b6f069cdd298312
sha512 f77a54a583107b7dfd81f471d071087247128e319a69985481069a6c1a28440ed08e376f25c4597b533aa59b0ea8863fa3a0bc7709083d6509afea392f7408df
ripemd-160 e1e8b033647468dcc963c4500762a4c2bfecacfb

20130945 as geometric shapes

Circle

Radius = n
Diameter 40261890
Circumference 126486457.84364
Area 1.2731459630476E+15

Sphere

Radius = n
Volume 3.417284181211E+22
Surface area 5.0925838521903E+15
Circumference 126486457.84364

Square

Length = n
Perimeter 80523780
Area 405254946593025
Diagonal 28469455.442387

Cube

Length = n
Surface area 2431529679558150
Volume 8.1581650408421E+21
Space diagonal 34867819.544375

Equilateral Triangle

Length = n
Perimeter 60392835
Area 1.7548053937943E+14
Altitude 17433909.772187

Triangular Pyramid

Length = n
Surface area 1.7548053937943E+14
Volume 9.6144897040308E+20
Height 9489818.4807956