28687056 (number)

28687056 is an even 8-digits composite number following 28687055 and preceding 28687057. In scientific notation, it is written as 2.8687056 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 9472896 positive integers (up to 28687056) that are relatively prime to 28687056.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687056 × 10^7
Engineering notation 2.8687056 × 10^6

Prime Factorization of 28687056

Prime Factorization 2 × 2 × 2 × 2 × 3 × 109 × 5483

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3585882
Product of the distinct prime numbers

The prime factorization of 28687056 is 2 × 2 × 2 × 2 × 3 × 109 × 5483. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687056)

Multiplication

n×y
n×2 57374112
n×3 86061168
n×4 114748224
n×5 143435280

Division

n÷y
n÷2 14343528
n÷3 9562352
n÷3 7171764
n÷5 5737411.2

Exponentiation

ny
n2 822947181947136
n3 2.360793189356E+22
n4 6.7724206427473E+29
n5 1.9428081023405E+37

Nth Root

y√n
2√n 5356.0298729563
3√n 306.12255332858
4√n 73.184901946756
5√n 31.012529917472

Divisors of 28687056

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687055
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687056 can be divided by 40 positive divisors. The sum of these divisors (counting 28687056) is 1, the average is 0.025.

Base conversion 28687056

Base System Value
2 Binary 1101101011011101011010000
3 Ternary 1222222110020120
4 Quaternary 1231123223100
5 Quinary 24320441211
6 Senary 2502510240
8 Octal 155335320
10 Decimal 28687056
12 Duodecimal 9735380
16 Hexadecimal 1b5bad0
20 Vigesimal 8j5hcg
36 Base36 h2v2o

Cryptographic Hash Functions

md5 ae6a4ff48c4047a8a8181f240def3c33
sha1 5474781cc80ba8a968554aba927911b4067c151d
sha256 fa150a0375588b77ac7b07b179e969a9651c654a41501489851bd347155e1606
sha512 f8ae3e9ee680d2c375c26a3e54aaec2110f691b881ea143dcb1a4a357e1c8b444e7a32f8b7e58b546d2e179135cb7e387c1e15100063264518ad8121e5272185
ripemd-160 4962824a7d865a7646154eee7196b33ec0158daa

28687056 as geometric shapes

Circle

Radius = n
Diameter 57374112
Circumference 180246088.76544
Area 2.5853648210975E+15

Sphere

Radius = n
Volume 9.8888673871007E+22
Surface area 1.034145928439E+16
Circumference 180246088.76544

Square

Length = n
Perimeter 114748224
Area 822947181947136
Diagonal 40569623.659756

Cube

Length = n
Surface area 4937683091682816
Volume 2.360793189356E+22
Space diagonal 49687438.511574

Equilateral Triangle

Length = n
Perimeter 86061168
Area 3.5634658276952E+14
Altitude 24843719.255787

Triangular Pyramid

Length = n
Surface area 3.5634658276952E+14
Volume 2.7822214552877E+21
Height 13523207.886585