28208540 (number)

28208540 is an even 8-digits composite number following 28208539 and preceding 28208541. In scientific notation, it is written as 2.8208540 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 10686816 positive integers (up to 28208540) that are relatively prime to 28208540.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eight thousand five hundred forty

Notation

Scientific notation 2.8208540 × 10^7
Engineering notation 2.8208540 × 10^6

Prime Factorization of 28208540

Prime Factorization 2 × 2 × 5 × 361 × 3907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14104270
Product of the distinct prime numbers

The prime factorization of 28208540 is 2 × 2 × 5 × 361 × 3907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28208540)

Multiplication

n×y
n×2 56417080
n×3 84625620
n×4 112834160
n×5 141042700

Division

n÷y
n÷2 14104270
n÷3 9402846.6666667
n÷3 7052135
n÷5 5641708

Exponentiation

ny
n2 795721728931600
n3 2.2446148219436E+22
n4 6.3317306989389E+29
n5 1.7860887869025E+37

Nth Root

y√n
2√n 5311.1712455917
3√n 304.41090268502
4√n 72.877782935485
5√n 30.90837137165

Divisors of 28208540

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 -28208539
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 28208540 can be divided by 24 positive divisors. The sum of these divisors (counting 28208540) is 1, the average is 0.041666666666667.

Base conversion 28208540

Base System Value
2 Binary 1101011100110110110011100
3 Ternary 1222002010211202
4 Quaternary 1223212312130
5 Quinary 24210133130
6 Senary 2444335032
8 Octal 153466634
10 Decimal 28208540
12 Duodecimal 9544478
16 Hexadecimal 1ae6d9c
20 Vigesimal 8g6170
36 Base36 gsluk

Cryptographic Hash Functions

md5 bc752a695fe66733dd3fc07ff930738d
sha1 94cba03e84ef7c1c88a9ca93a054653a3ec3b02b
sha256 3a9136ffe5251107b8d119a097f78dc8db67a8fe35c12ab4de2cb8066bc0ec7e
sha512 52bb73f17776e73ed16f31796f2ec57396e87e9fae55c1fa51463ab6cc3bd8e72d72a18e32e04c1fbfa626819656ce23da2b128c94a41c5e828afd4873d39f43
ripemd-160 3ca787471260cbb6c7456d2856fa480f5dc752b8

28208540 as geometric shapes

Circle

Radius = n
Diameter 56417080
Circumference 177239484.06499
Area 2.4998335379133E+15

Sphere

Radius = n
Volume 9.4022205796758E+22
Surface area 9.9993341516531E+15
Circumference 177239484.06499

Square

Length = n
Perimeter 112834160
Area 795721728931600
Diagonal 39892899.842744

Cube

Length = n
Surface area 4774330373589600
Volume 2.2446148219436E+22
Space diagonal 48858624.487339

Equilateral Triangle

Length = n
Perimeter 84625620
Area 3.4455761579902E+14
Altitude 24429312.243669

Triangular Pyramid

Length = n
Surface area 3.4455761579902E+14
Volume 2.6453039362469E+21
Height 13297633.280915