20145518 (number)

20145518 is an even 8-digits composite number following 20145517 and preceding 20145519. In scientific notation, it is written as 2.0145518 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 9934704 positive integers (up to 20145518) that are relatively prime to 20145518.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145518 × 10^7
Engineering notation 2.0145518 × 10^6

Prime Factorization of 20145518

Prime Factorization 2 × 73 × 137983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145518
Product of the distinct prime numbers

The prime factorization of 20145518 is 2 × 73 × 137983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145518)

Multiplication

n×y
n×2 40291036
n×3 60436554
n×4 80582072
n×5 100727590

Division

n÷y
n÷2 10072759
n÷3 6715172.6666667
n÷3 5036379.5
n÷5 4029103.6

Exponentiation

ny
n2 405841895488324
n3 8.1758952107141E+21
n4 1.6470764413356E+29
n5 3.3181208096301E+36

Nth Root

y√n
2√n 4488.3758755256
3√n 272.09849914462
4√n 66.995342192764
5√n 28.895864210391

Divisors of 20145518

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 -20145517
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 20145518 can be divided by 8 positive divisors. The sum of these divisors (counting 20145518) is 1, the average is 0.125.

Base conversion 20145518

Base System Value
2 Binary 1001100110110010101101110
3 Ternary 1101220111110022
4 Quaternary 1030312111232
5 Quinary 20124124033
6 Senary 1555442142
8 Octal 114662556
10 Decimal 20145518
12 Duodecimal 68b6352
16 Hexadecimal 133656e
20 Vigesimal 65i3fi
36 Base36 bzsdq

Cryptographic Hash Functions

md5 c2b3a1f907318ebc6fd563a2c2158dec
sha1 c7fdcdbdba7f3643ebb27c925d3216442e080cee
sha256 acb9c9652cf8d971e9abe61e025f7957eb3a4702f967928c1d6410b9163013b1
sha512 366e40478d815b9423361cffdc580d536e31ba5099d58613b18d112f86c033cd98a7b048b708aa381b08a86cb7f4d0ffc016b369354c76618770f9ae1f5ed23e
ripemd-160 0065541d28eb23443dfbcec06da4c311476de999

20145518 as geometric shapes

Circle

Radius = n
Diameter 40291036
Circumference 126578022.70312
Area 1.2749899173851E+15

Sphere

Radius = n
Volume 3.4247109773999E+22
Surface area 5.0999596695403E+15
Circumference 126578022.70312

Square

Length = n
Perimeter 80582072
Area 405841895488324
Diagonal 28490064.776631

Cube

Length = n
Surface area 2435051372929944
Volume 8.1758952107141E+21
Space diagonal 34893060.720793

Equilateral Triangle

Length = n
Perimeter 60436554
Area 1.7573469570646E+14
Altitude 17446530.360397

Triangular Pyramid

Length = n
Surface area 1.7573469570646E+14
Volume 9.635384909611E+20
Height 9496688.2588771