20145305 (number)

20145305 is an odd 8-digits composite number following 20145304 and preceding 20145306. In scientific notation, it is written as 2.0145305 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16096896 positive integers (up to 20145305) that are relatively prime to 20145305.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand three hundred five

Notation

Scientific notation 2.0145305 × 10^7
Engineering notation 2.0145305 × 10^6

Prime Factorization of 20145305

Prime Factorization 5 × 3769 × 1069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145305
Product of the distinct prime numbers

The prime factorization of 20145305 is 5 × 3769 × 1069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145305)

Multiplication

n×y
n×2 40290610
n×3 60435915
n×4 80581220
n×5 100726525

Division

n÷y
n÷2 10072652.5
n÷3 6715101.6666667
n÷3 5036326.25
n÷5 4029061

Exponentiation

ny
n2 405833313543025
n3 8.1756358804849E+21
n4 1.6470067838131E+29
n5 3.3179453996984E+36

Nth Root

y√n
2√n 4488.3521475036
3√n 272.09754016895
4√n 66.995165105428
5√n 28.895803106525

Divisors of 20145305

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 -20145304
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 20145305 can be divided by 8 positive divisors. The sum of these divisors (counting 20145305) is 1, the average is 0.125.

Base conversion 20145305

Base System Value
2 Binary 1001100110110010010011001
3 Ternary 1101220111011102
4 Quaternary 1030312102121
5 Quinary 20124122210
6 Senary 1555441145
8 Octal 114662231
10 Decimal 20145305
12 Duodecimal 68b61b5
16 Hexadecimal 1336499
20 Vigesimal 65i355
36 Base36 bzs7t

Cryptographic Hash Functions

md5 ee1e2ebd916688d197a4329d49e116ab
sha1 fee7a0d77e088344cf32eb7b32f76de5d8ee3ee3
sha256 45241659e7de8ce1311c71c02e64ea36db466d9e5b7473280e9aa646588eb283
sha512 40c3218f02310f8ff8e338e8cb1145792626b11f0effe8125e7899710a138f8baeff892a699cf45e597eba9d064f029808113c5a51552c0df660b85904bf651f
ripemd-160 6a908930b412c78a5b82a01c500c088565da823f

20145305 as geometric shapes

Circle

Radius = n
Diameter 40290610
Circumference 126576684.38465
Area 1.2749629564088E+15

Sphere

Radius = n
Volume 3.4246023494075E+22
Surface area 5.0998518256351E+15
Circumference 126576684.38465

Square

Length = n
Perimeter 80581220
Area 405833313543025
Diagonal 28489763.549143

Cube

Length = n
Surface area 2434999881258150
Volume 8.1756358804849E+21
Space diagonal 34892691.793971

Equilateral Triangle

Length = n
Perimeter 60435915
Area 1.7573097961514E+14
Altitude 17446345.896986

Triangular Pyramid

Length = n
Surface area 1.7573097961514E+14
Volume 9.6350792860048E+20
Height 9496587.8497142