28508724 (number)

28508724 is an even 8-digits composite number following 28508723 and preceding 28508725. In scientific notation, it is written as 2.8508724 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 9502896 positive integers (up to 28508724) that are relatively prime to 28508724.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eight thousand seven hundred twenty-four

Notation

Scientific notation 2.8508724 × 10^7
Engineering notation 2.8508724 × 10^6

Prime Factorization of 28508724

Prime Factorization 2 × 2 × 9 × 791909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14254362
Product of the distinct prime numbers

The prime factorization of 28508724 is 2 × 2 × 9 × 791909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508724)

Multiplication

n×y
n×2 57017448
n×3 85526172
n×4 114034896
n×5 142543620

Division

n÷y
n÷2 14254362
n÷3 9502908
n÷3 7127181
n÷5 5701744.8

Exponentiation

ny
n2 812747344108176
n3 2.3170389714913E+22
n4 6.6055824535489E+29
n5 1.8831672702747E+37

Nth Root

y√n
2√n 5339.3561409593
3√n 305.48690123781
4√n 73.070898044018
5√n 30.973876037291

Divisors of 28508724

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 -28508723
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 28508724 can be divided by 12 positive divisors. The sum of these divisors (counting 28508724) is 1, the average is 0.083333333333333.

Base conversion 28508724

Base System Value
2 Binary 1101100110000001000110100
3 Ternary 1222122101121200
4 Quaternary 1230300020310
5 Quinary 24244234344
6 Senary 2455012500
8 Octal 154601064
10 Decimal 28508724
12 Duodecimal 966a130
16 Hexadecimal 1b30234
20 Vigesimal 8i3bg4
36 Base36 gz1h0

Cryptographic Hash Functions

md5 222538cef129f42f5db5b26fcf05efd3
sha1 9e85bfeaf680517d4058c8398e176d91f4b53501
sha256 bd9cac8cfbd0067f9cc991f0909c7df4c24ce7e50aae0a49eb2ea82785223dc5
sha512 427548d8a57110506e369743cd31977dd7613b828fca5f50cd5921709355cdcf38a5d4cce8034dd43e6aa54997b5a89788e7c575fa6c8c88f9fd6f06279390be
ripemd-160 b91a67a8eb59f40e8a4faa2f8c753ca6d254f29a

28508724 as geometric shapes

Circle

Radius = n
Diameter 57017448
Circumference 179125595.76324
Area 2.5533210854749E+15

Sphere

Radius = n
Volume 9.7055901478911E+22
Surface area 1.0213284341899E+16
Circumference 179125595.76324

Square

Length = n
Perimeter 114034896
Area 812747344108176
Diagonal 40317424.126751

Cube

Length = n
Surface area 4876484064649056
Volume 2.3170389714913E+22
Space diagonal 49378558.426958

Equilateral Triangle

Length = n
Perimeter 85526172
Area 3.5192992342801E+14
Altitude 24689279.213479

Triangular Pyramid

Length = n
Surface area 3.5192992342801E+14
Volume 2.730656615025E+21
Height 13439141.375584