20131445 (number)

20131445 is an odd 8-digits composite number following 20131444 and preceding 20131446. In scientific notation, it is written as 2.0131445 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16084224 positive integers (up to 20131445) that are relatively prime to 20131445.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131445 × 10^7
Engineering notation 2.0131445 × 10^6

Prime Factorization of 20131445

Prime Factorization 5 × 937 × 4297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20131445
Product of the distinct prime numbers

The prime factorization of 20131445 is 5 × 937 × 4297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131445)

Multiplication

n×y
n×2 40262890
n×3 60394335
n×4 80525780
n×5 100657225

Division

n÷y
n÷2 10065722.5
n÷3 6710481.6666667
n÷3 5032861.25
n÷5 4026289

Exponentiation

ny
n2 405275077788025
n3 8.1587729383603E+21
n4 1.6424788867609E+29
n5 3.3065473372488E+36

Nth Root

y√n
2√n 4486.8078853457
3√n 272.03512468111
4√n 66.983638937771
5√n 28.891825940696

Divisors of 20131445

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131445 can be divided by 8 positive divisors. The sum of these divisors (counting 20131445) is 1, the average is 0.125.

Base conversion 20131445

Base System Value
2 Binary 1001100110010111001110101
3 Ternary 1101212210011002
4 Quaternary 1030302321311
5 Quinary 20123201240
6 Senary 1555253045
8 Octal 114627165
10 Decimal 20131445
12 Duodecimal 68aa185
16 Hexadecimal 1332e75
20 Vigesimal 65g8c5
36 Base36 bzhit

Cryptographic Hash Functions

md5 82553597a491c8717cff3cf38c09549f
sha1 2d5a800bdb69012b70f42f3b9582da7f2bff28de
sha256 9b9ba784ebf1e3defc5004183bdbfed2151f2c95beb15c5f2bac11b0e6b16f10
sha512 37c18007f918b3dcd7244ef163144d21a8336f6ae0a43a5c0b112f3f0d957c3c7a53805da24a1eac9809bf7810acdfa60b1ca473b0f9f1afee9862b8e6f4cbae
ripemd-160 f743062fa16e859d14add0c783fd8ff1e19dd9a0

20131445 as geometric shapes

Circle

Radius = n
Diameter 40262890
Circumference 126489599.43629
Area 1.2732092070619E+15

Sphere

Radius = n
Volume 3.417538816728E+22
Surface area 5.0928368282476E+15
Circumference 126489599.43629

Square

Length = n
Perimeter 80525780
Area 405275077788025
Diagonal 28470162.549168

Cube

Length = n
Surface area 2431650466728150
Volume 8.1587729383603E+21
Space diagonal 34868685.569778

Equilateral Triangle

Length = n
Perimeter 60394335
Area 1.7548925644257E+14
Altitude 17434342.784889

Triangular Pyramid

Length = n
Surface area 1.7548925644257E+14
Volume 9.6152061181265E+20
Height 9490054.183056