28687047 (number)

28687047 is an odd 8-digits composite number following 28687046 and preceding 28687048. In scientific notation, it is written as 2.8687047 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 19111872 positive integers (up to 28687047) that are relatively prime to 28687047.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687047 × 10^7
Engineering notation 2.8687047 × 10^6

Prime Factorization of 28687047

Prime Factorization 3 × 4057 × 2357

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687047
Product of the distinct prime numbers

The prime factorization of 28687047 is 3 × 4057 × 2357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687047)

Multiplication

n×y
n×2 57374094
n×3 86061141
n×4 114748188
n×5 143435235

Division

n÷y
n÷2 14343523.5
n÷3 9562349
n÷3 7171761.75
n÷5 5737409.4

Exponentiation

ny
n2 822946665580209
n3 2.3607909673993E+22
n4 6.7724121438958E+29
n5 1.9428050547531E+37

Nth Root

y√n
2√n 5356.0290327817
3√n 306.12252131527
4√n 73.184896206674
5√n 31.012527971558

Divisors of 28687047

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 -28687046
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 28687047 can be divided by 8 positive divisors. The sum of these divisors (counting 28687047) is 1, the average is 0.125.

Base conversion 28687047

Base System Value
2 Binary 1101101011011101011000111
3 Ternary 1222222110020020
4 Quaternary 1231123223013
5 Quinary 24320441142
6 Senary 2502510223
8 Octal 155335307
10 Decimal 28687047
12 Duodecimal 9735373
16 Hexadecimal 1b5bac7
20 Vigesimal 8j5hc7
36 Base36 h2v2f

Cryptographic Hash Functions

md5 e5c53e942531367e9e00b37ffaf1c145
sha1 7d98f2ccf58c91e835bd51e212d161a9ec93d95d
sha256 58aca24581eb918efee71fc01dec317a83d66863305935e5251bba683f204175
sha512 3f5b0d53977aa2a026ac33d35eb16ff2c829587f917ce4fe175406bfd4a60025d64f6868208421d1f339740f49b00dbf9fb4f05ef30b6e9c98fd0f983cfac90b
ripemd-160 1a8c9329d8ad0de421953cb664d3703054e686ff

28687047 as geometric shapes

Circle

Radius = n
Diameter 57374094
Circumference 180246032.21677
Area 2.585363198883E+15

Sphere

Radius = n
Volume 9.8888580797903E+22
Surface area 1.0341452795532E+16
Circumference 180246032.21677

Square

Length = n
Perimeter 114748188
Area 822946665580209
Diagonal 40569610.931834

Cube

Length = n
Surface area 4937679993481254
Volume 2.3607909673993E+22
Space diagonal 49687422.923116

Equilateral Triangle

Length = n
Perimeter 86061141
Area 3.5634635917608E+14
Altitude 24843711.461558

Triangular Pyramid

Length = n
Surface area 3.5634635917608E+14
Volume 2.7822188366866E+21
Height 13523203.643945