28209087 is an odd 8-digits composite number following 28209086
and preceding 28209088 . In scientific notation, it is written as 2.8209087 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 18806040 positive integers (up to 28209087) that are relatively prime to 28209087.
28209087 has 8 divisors, whose sum is 41791280
The reverse of 28209087 is 78090282
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million two hundred nine thousand eighty-seven
Scientific notation
2.8209087 × 10^7
Engineering notation
2.8209087 × 10^6
Prime Factorization
3 × 9 × 1044781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28209087
Product of the distinct prime numbers
The prime factorization of 28209087 is 3 × 9 × 1044781.
Since it has a total of 3 prime factors.
4 , 3 , 69 , 75 , 247 , 177 , 4688 , 8762 , 88993 , 27487 , 745618 , 42935 , 3980445 , 6290316 , 39043674 , 27068382 , 230372887 , 518879193 , 479267847 , 5483055451
n×2
56418174
n×3
84627261
n×4
112836348
n×5
141045435
n÷2
14104543.5
n÷3
9403029
n÷3
7052271.75
n÷5
5641817.4
n2
795752589373569
n3
2.2447454024114E+22
n4
6.3322218349474E+29
n5
1.7862619664533E+37
2 √n
5311.2227405749
3 √n
304.4128703124
4 √n
72.878136231485
5 √n
30.908491241364
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
-28209086
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 28209087 can be divided by 8 positive divisors.
The sum of these divisors (counting 28209087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011100110111110111111
3
Ternary
1222002011121000
4
Quaternary
1223212332333
5
Quinary
24210142322
6
Senary
2444341343
8
Octal
153467677
10
Decimal
28209087
12
Duodecimal
9544853
16
Hexadecimal
1ae6fbf
20
Vigesimal
8g62e7
36
Base36
gsm9r
md5
6a334a58f88f81cb11d010a01f7c9513
sha1
fe2e1c33e28d5b5bf061e2f8711e09d14344692f
sha256
b26efcf1c9bf5d3ab09fd8ba0a4c1e8722c518cb3d14766f2a261eab897d4e46
sha512
0cad51d2f0a2edf24ae8f8b23485d08a4a5d9aaa76f68f1231f5a278327a988234afefa311c088057d69f9cbf1bbea35810100dd59b85abafe2d24d40d090b4d
ripemd-160
c5c1f45dee2bbf502917657f269322a75e75a618
Diameter
56418174
Circumference
177242920.96735
Area
2.4999304888511E+15
Volume
9.4027675538603E+22
Surface area
9.9997219554042E+15
Circumference
177242920.96735
Perimeter
112836348
Area
795752589373569
Diagonal
39893673.417563
Surface area
4774515536241414
Volume
2.2447454024114E+22
Space diagonal
48859571.919131
Perimeter
84627261
Area
3.4457097876238E+14
Altitude
24429785.959565
Surface area
3.4457097876238E+14
Volume
2.6454578268041E+21
Height
13297891.139188