28687025 (number)

28687025 is an odd 8-digits composite number following 28687024 and preceding 28687026. In scientific notation, it is written as 2.8687025 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 22328640 positive integers (up to 28687025) that are relatively prime to 28687025.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand twenty-five

Notation

Scientific notation 2.8687025 × 10^7
Engineering notation 2.8687025 × 10^6

Prime Factorization of 28687025

Prime Factorization 185 × 5 × 31013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687025
Product of the distinct prime numbers

The prime factorization of 28687025 is 185 × 5 × 31013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687025)

Multiplication

n×y
n×2 57374050
n×3 86061075
n×4 114748100
n×5 143435125

Division

n÷y
n÷2 14343512.5
n÷3 9562341.6666667
n÷3 7171756.25
n÷5 5737405

Exponentiation

ny
n2 822945403350625
n3 2.3607855359554E+22
n4 6.7723913689592E+29
n5 1.9427976051112E+37

Nth Root

y√n
2√n 5356.0269790209
3√n 306.12244306047
4√n 73.184882175357
5√n 31.012523214876

Divisors of 28687025

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 -28687024
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 28687025 can be divided by 8 positive divisors. The sum of these divisors (counting 28687025) is 1, the average is 0.125.

Base conversion 28687025

Base System Value
2 Binary 1101101011011101010110001
3 Ternary 1222222110012102
4 Quaternary 1231123222301
5 Quinary 24320441100
6 Senary 2502510145
8 Octal 155335261
10 Decimal 28687025
12 Duodecimal 9735355
16 Hexadecimal 1b5bab1
20 Vigesimal 8j5hb5
36 Base36 h2v1t

Cryptographic Hash Functions

md5 8030459be4085f7b188b082e0f89aa96
sha1 93fc2c6d9124e48679243b9a0a508fbc104e39d9
sha256 5f9a74447efd07ba396a7ad13cf7602ee98afb1ccd5c3a3da676a725feeb8b59
sha512 048fbfb604b13f0eaea86f277ca804eaed79f9be65ef05aa56b7110ac01f40ef8df44b938a5a059a311892fbacb161ccc622ea441dd7864f5c291405f5611e4a
ripemd-160 6797175b4fd03344ebd9c8df34970dc9f6d92cef

28687025 as geometric shapes

Circle

Radius = n
Diameter 57374050
Circumference 180245893.98669
Area 2.5853592334718E+15

Sphere

Radius = n
Volume 9.8888353286116E+22
Surface area 1.0341436933887E+16
Circumference 180245893.98669

Square

Length = n
Perimeter 114748100
Area 822945403350625
Diagonal 40569579.819136

Cube

Length = n
Surface area 4937672420103750
Volume 2.3607855359554E+22
Space diagonal 49687384.817999

Equilateral Triangle

Length = n
Perimeter 86061075
Area 3.5634581261464E+14
Altitude 24843692.408999

Triangular Pyramid

Length = n
Surface area 3.5634581261464E+14
Volume 2.7822124356687E+21
Height 13523193.273045