28615 is an odd 5-digits composite number following 28614
and preceding 28616 . In scientific notation, it is written as 2.8615 × 10^4.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 22272 positive integers (up to 28615) that are relatively prime to 28615.
28615 has 8 divisors, whose sum is 35280
The reverse of 28615 is 51682
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4
Name
twenty-eight thousand six hundred fifteen
Scientific notation
2.8615 × 10^4
Engineering notation
2.8615 × 10^3
Prime Factorization
5 × 97 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28615
Product of the distinct prime numbers
The prime factorization of 28615 is 5 × 97 × 59.
Since it has a total of 3 prime factors.
5 , 10 , 95 , 43 , 682 , 794 , 5363 , 3747 , 99344 , 8506 , 916727 , 448185 , 7516938 , 8964567 , 44234748 , 3647592 , 966946546 , 874179375 , 4524677533 , 8509358314
n×2
57230
n×3
85845
n×4
114460
n×5
143075
n÷2
14307.5
n÷3
9538.3333333333
n÷3
7153.75
n÷5
5723
n2
818818225
n3
23430483508375
n4
670463285592150625
n5
1.9185306917219E+22
2 √n
169.15968786918
3 √n
30.586603274685
4 √n
13.006140390953
5 √n
7.7860779988287
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
-28614
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 28615 can be divided by 8 positive divisors.
The sum of these divisors (counting 28615) is 1, the average is 0.125.
Base
System
Value
2
Binary
110111111000111
3
Ternary
1110020211
4
Quaternary
12333013
5
Quinary
1403430
6
Senary
340251
8
Octal
67707
10
Decimal
28615
12
Duodecimal
14687
16
Hexadecimal
6fc7
20
Vigesimal
3baf
36
Base36
m2v
md5
083b5b1364b26b95b1cf37dcdf85c44e
sha1
557758481acb52ec49e080f64243779c7efead6d
sha256
847654ea35f3cc179ac90db2b951ae2aff124425dd59d6768dd64125d9ce2bb6
sha512
921a34d2a41204ae1e152d4bc20da6953c90fe08017ae339505af704b987170466f2a05d22c6406048fed1c90591192f633edfc743b61b91e0fe693a5afd0fc6
ripemd-160
4d63fa708becc6acae29a34d6298183dd6012f48
Diameter
57230
Circumference
179793.34756494
Area
2572393320.2854
Volume
98145379813290
Surface area
10289573281.142
Circumference
179793.34756494
Perimeter
114460
Area
818818225
Diagonal
40467.721087306
Surface area
4912909350
Volume
23430483508375
Space diagonal
49562.633858583
Perimeter
85845
Area
354558691.96584
Altitude
24781.316929292
Surface area
354558691.96584
Volume
2761308962541.9
Height
13489.240362435