20145724 (number)

20145724 is an even 8-digits composite number following 20145723 and preceding 20145725. In scientific notation, it is written as 2.0145724 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 9882704 positive integers (up to 20145724) that are relatively prime to 20145724.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145724 × 10^7
Engineering notation 2.0145724 × 10^6

Prime Factorization of 20145724

Prime Factorization 2 × 2 × 53 × 95027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10072862
Product of the distinct prime numbers

The prime factorization of 20145724 is 2 × 2 × 53 × 95027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 65, 57, 661, 114, 5204, 5252, 59844, 66839, 191379, 914889, 5942778, 9513808, 71262166, 92819315, 349827018, 91672285, 7058241220, 8470557466

Basic calculations (n = 20145724)

Multiplication

n×y
n×2 40291448
n×3 60437172
n×4 80582896
n×5 100728620

Division

n÷y
n÷2 10072862
n÷3 6715241.3333333
n÷3 5036431
n÷5 4029144.8

Exponentiation

ny
n2 405850195484176
n3 8.1761460235703E+21
n4 1.6471438117454E+29
n5 3.3182904619732E+36

Nth Root

y√n
2√n 4488.3988236341
3√n 272.09942659822
4√n 66.995513458993
5√n 28.895923305656

Divisors of 20145724

1, 2, 4, 53, 106, 212, 95027, 190054, 380108, 5036431, 10072862, 20145724

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145724 can be divided by 12 positive divisors. The sum of these divisors (counting 20145724) is 1, the average is 0.083333333333333.

Base conversion 20145724

Base System Value
2 Binary 1001100110110011000111100
3 Ternary 1101220111201221
4 Quaternary 1030312120330
5 Quinary 20124130344
6 Senary 1555443124
8 Octal 114663074
10 Decimal 20145724
12 Duodecimal 68b64a4
16 Hexadecimal 133663c
20 Vigesimal 65i464
36 Base36 bzsjg

Cryptographic Hash Functions

md5 13a1a503bf53b5fbbdef055091511a98
sha1 c6221be73ae8dd7920141341e340c85d45efeb80
sha256 3bbf04244cc628fec97e57d32690f63538e2c2d24de6c63293db106cbbe5e000
sha512 ab1d1010f808095fe8e3af41399d892955b6d5cdf6c0ac0cee919d4e856af5c7ea82f0e658be1b36e0b8f8d453c1ac2f88c51b0923ebf496aa95e8374f782c9b
ripemd-160 dff40b9a04ebae0c0042e8a77c918a6ebc8e37b8

20145724 as geometric shapes

Circle

Radius = n
Diameter 40291448
Circumference 126579317.0393
Area 1.2750159925911E+15

Sphere

Radius = n
Volume 3.4248160376434E+22
Surface area 5.1000639703643E+15
Circumference 126579317.0393

Square

Length = n
Perimeter 80582896
Area 405850195484176
Diagonal 28490356.104625

Cube

Length = n
Surface area 2435101172905056
Volume 8.1761460235703E+21
Space diagonal 34893417.52326

Equilateral Triangle

Length = n
Perimeter 60437172
Area 1.7573828971009E+14
Altitude 17446708.76163

Triangular Pyramid

Length = n
Surface area 1.7573828971009E+14
Volume 9.6356804953966E+20
Height 9496785.3682084