15205728 (number)

15205728 is an even 8-digits composite number following 15205727 and preceding 15205729. In scientific notation, it is written as 1.5205728 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 24 positive divisors. There are 5068544 positive integers (up to 15205728) that are relatively prime to 15205728.

Interesting facts

Basic properties

Name

Name fifteen million two hundred five thousand seven hundred twenty-eight

Notation

Scientific notation 1.5205728 × 10^7
Engineering notation 1.5205728 × 10^6

Prime Factorization of 15205728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 158393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 950358
Product of the distinct prime numbers

The prime factorization of 15205728 is 2 × 2 × 2 × 2 × 2 × 3 × 158393. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15205728)

Multiplication

n×y
n×2 30411456
n×3 45617184
n×4 60822912
n×5 76028640

Division

n÷y
n÷2 7602864
n÷3 5068576
n÷3 3801432
n÷5 3041145.6

Exponentiation

ny
n2 231214164009984
n3 3.5157796876832E+21
n4 5.3459989638836E+28
n5 8.1289806133096E+35

Nth Root

y√n
2√n 3899.4522692296
3√n 247.74357818061
4√n 62.445594474147
5√n 27.315015010669

Divisors of 15205728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15205727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15205728 can be divided by 24 positive divisors. The sum of these divisors (counting 15205728) is 1, the average is 0.041666666666667.

Base conversion 15205728

Base System Value
2 Binary 111010000000010101100000
3 Ternary 1001121112100010
4 Quaternary 322000111200
5 Quinary 12343040403
6 Senary 1301524520
8 Octal 72002540
10 Decimal 15205728
12 Duodecimal 5113740
16 Hexadecimal e80560
20 Vigesimal 4f0e68
36 Base36 91wtc

Cryptographic Hash Functions

md5 99f62aa6582fec7865732c83a229536b
sha1 8560e2901f85a346742580fb32ae2d37e2d100cf
sha256 9eb2f762f4ea0aadf720c22953438b178bf71113e93b7ed8da0614d25ec3b91b
sha512 ff472c326d01ab5b2db0eab54333d650195cabd7df814d03328b5ec3f1d693b3405d099a371038409af1b9f5d1e5a706aebd576f26389bf196bf3c39a01e5f14
ripemd-160 3ab6f58a080ad496b8b68e0f6016489e6f702339

15205728 as geometric shapes

Circle

Radius = n
Diameter 30411456
Circumference 95540406.754569
Area 7.2638071905967E+14

Sphere

Radius = n
Volume 1.4726863517954E+22
Surface area 2.9055228762387E+15
Circumference 95540406.754569

Square

Length = n
Perimeter 60822912
Area 231214164009984
Diagonal 21504146.763356

Cube

Length = n
Surface area 1387284984059904
Volume 3.5157796876832E+21
Space diagonal 26337093.462073

Equilateral Triangle

Length = n
Perimeter 45617184
Area 1.0011866987371E+14
Altitude 13168546.731036

Triangular Pyramid

Length = n
Surface area 1.0011866987371E+14
Volume 4.1433860971979E+20
Height 7168048.9211188