28856561 (number)

28856561 is an odd 8-digits composite number following 28856560 and preceding 28856562. In scientific notation, it is written as 2.8856561 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 28797300 positive integers (up to 28856561) that are relatively prime to 28856561.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred fifty-six thousand five hundred sixty-one

Notation

Scientific notation 2.8856561 × 10^7
Engineering notation 2.8856561 × 10^6

Prime Factorization of 28856561

Prime Factorization 491 × 58771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28856561
Product of the distinct prime numbers

The prime factorization of 28856561 is 491 × 58771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28856561)

Multiplication

n×y
n×2 57713122
n×3 86569683
n×4 115426244
n×5 144282805

Division

n÷y
n÷2 14428280.5
n÷3 9618853.6666667
n÷3 7214140.25
n÷5 5771312.2

Exponentiation

ny
n2 832701112746721
n3 2.4028890454744E+22
n4 6.9339114316963E+29
n5 2.0008883819734E+37

Nth Root

y√n
2√n 5371.830321222
3√n 306.72430482992
4√n 73.292771275358
5√n 31.049092737491

Divisors of 28856561

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28856560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28856561 can be divided by 4 positive divisors. The sum of these divisors (counting 28856561) is 1, the average is 0.25.

Base conversion 28856561

Base System Value
2 Binary 1101110000101000011110001
3 Ternary 2000022001202112
4 Quaternary 1232011003301
5 Quinary 24341402221
6 Senary 2510255105
8 Octal 156050361
10 Decimal 28856561
12 Duodecimal 97b7495
16 Hexadecimal 1b850f1
20 Vigesimal 907181
36 Base36 h6hv5

Cryptographic Hash Functions

md5 0f309eda61519a44b474d651a4799c13
sha1 d814bd2bf7f1d95f7dbe646ffe33c5931663cc6e
sha256 20cd391920c5555dcaf8af6a732a893d25e66867c083bfb25609efd132082ec7
sha512 caa615dec837ab9ca9552b5bd7e127f060fcc74548aa07b9f1a1af70a6301ef6e4404c894696d5db426f578d2a38ff2861d00386a655854da5d2273773b7e16c
ripemd-160 3642b5bfe6013a10948962135f19979e74aa1ab4

28856561 as geometric shapes

Circle

Radius = n
Diameter 57713122
Circumference 181311120.09093
Area 2.6160076984411E+15

Sphere

Radius = n
Volume 1.0065198096872E+23
Surface area 1.0464030793765E+16
Circumference 181311120.09093

Square

Length = n
Perimeter 115426244
Area 832701112746721
Diagonal 40809339.929647

Cube

Length = n
Surface area 4996206676480326
Volume 2.4028890454744E+22
Space diagonal 49981029.783711

Equilateral Triangle

Length = n
Perimeter 86569683
Area 3.6057015869912E+14
Altitude 24990514.891855

Triangular Pyramid

Length = n
Surface area 3.6057015869912E+14
Volume 2.8318318974897E+21
Height 13603113.309882