28687130 (number)

28687130 is an even 8-digits composite number following 28687129 and preceding 28687131. In scientific notation, it is written as 2.8687130 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 11474848 positive integers (up to 28687130) that are relatively prime to 28687130.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand one hundred thirty

Notation

Scientific notation 2.8687130 × 10^7
Engineering notation 2.8687130 × 10^6

Prime Factorization of 28687130

Prime Factorization 2 × 5 × 2868713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687130
Product of the distinct prime numbers

The prime factorization of 28687130 is 2 × 5 × 2868713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687130)

Multiplication

n×y
n×2 57374260
n×3 86061390
n×4 114748520
n×5 143435650

Division

n÷y
n÷2 14343565
n÷3 9562376.6666667
n÷3 7171782.5
n÷5 5737426

Exponentiation

ny
n2 822951427636900
n3 2.3608114588305E+22
n4 6.7724905224961E+29
n5 1.9428331604261E+37

Nth Root

y√n
2√n 5356.0367810537
3√n 306.12281654892
4√n 73.184949142933
5√n 31.012545917196

Divisors of 28687130

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687129
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687130 can be divided by 8 positive divisors. The sum of these divisors (counting 28687130) is 1, the average is 0.125.

Base conversion 28687130

Base System Value
2 Binary 1101101011011101100011010
3 Ternary 1222222110100022
4 Quaternary 1231123230122
5 Quinary 24320442010
6 Senary 2502510442
8 Octal 155335432
10 Decimal 28687130
12 Duodecimal 9735422
16 Hexadecimal 1b5bb1a
20 Vigesimal 8j5hga
36 Base36 h2v4q

Cryptographic Hash Functions

md5 f153eb106ab4d745848233c8b3124b8b
sha1 1e9d3223e91fe4c137105eaf9b3e4a6f092942d6
sha256 1724d80d81df8da41340b260bd1440ee765bdde2c44cc12d14a586a4c39c2cfd
sha512 fc958db7fc8e9a279b17bbd8886c95cf2a239421e469a085ff9237647b0df8b3aeb482ec51f56bad20a7cfe4e7994880d7df2897f1e2ca47e0eadc2c64dc5c5e
ripemd-160 b99dc9ae012b3d1facd88bcec50ab9748ad7ca1f

28687130 as geometric shapes

Circle

Radius = n
Diameter 57374260
Circumference 180246553.72115
Area 2.5853781593253E+15

Sphere

Radius = n
Volume 9.8889439140968E+22
Surface area 1.0341512637301E+16
Circumference 180246553.72115

Square

Length = n
Perimeter 114748520
Area 822951427636900
Diagonal 40569728.31156

Cube

Length = n
Surface area 4937708565821400
Volume 2.3608114588305E+22
Space diagonal 49687566.683333

Equilateral Triangle

Length = n
Perimeter 86061390
Area 3.5634842120711E+14
Altitude 24843783.341667

Triangular Pyramid

Length = n
Surface area 3.5634842120711E+14
Volume 2.78224298607E+21
Height 13523242.77052