28979 is an odd 5-digits prime number following 28978
and preceding 28980 . In scientific notation, it is written as 2.8979 × 10^4.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 28978 positive integers (up to 28979) that are relatively prime to 28979.
28979 has 2 divisors, whose sum is 28980
The reverse of 28979 is 97982
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 35
Digital Root 8
Name
twenty-eight thousand nine hundred seventy-nine
Scientific notation
2.8979 × 10^4
Engineering notation
2.8979 × 10^3
Prime Factorization
28979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28979
Product of the distinct prime numbers
The prime factorization of 28979 is 28979.
Since it has a total of 1 prime factors.
4 , 3 , 9 , 38 , 793 , 167 , 5443 , 5499 , 24379 , 90792 , 243673 , 970443 , 2641703 , 9706594 , 86303601 , 18482802 , 667924685 , 255229373 , 4296094358 , 2114903602
n×2
57958
n×3
86937
n×4
115916
n×5
144895
n÷2
14489.5
n÷3
9659.6666666667
n÷3
7244.75
n÷5
5795.8
n2
839782441
n3
24336055357739
n4
705234548211918481
n5
2.0436991972633E+22
2 √n
170.23219436993
3 √n
30.715750528919
4 √n
13.047306019632
5 √n
7.8057866882448
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14490
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
170.23513150933
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999309868875
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28979 can be divided by 2 positive divisors.
The sum of these divisors (counting 28979) is 28980, the average is 14490.
Base
System
Value
2
Binary
111000100110011
3
Ternary
1110202022
4
Quaternary
13010303
5
Quinary
1411404
6
Senary
342055
8
Octal
70463
10
Decimal
28979
12
Duodecimal
1492b
16
Hexadecimal
7133
20
Vigesimal
3c8j
36
Base36
mcz
md5
b0e3a2dce163aba52c5c6e4860bdc005
sha1
70bdf7f08c7cd9e4cce7a2d5939e2d020230772f
sha256
adf490bf9f265390aa26001bee9cb6e02c9cfc3c779e310bb2a4caf79ec8f7b0
sha512
dcd669f58bc9d6263b81fcd2082cb5153263c73f3f71427f2ec0dd32e0b9be41ed9ee3fccc519f04520e7838706c63c4610086fe4f18680fb56daf52f74f0457
ripemd-160
d02c128f04d67c927a90d2781ae83ca10f405e47
Diameter
57958
Circumference
182080.42701676
Area
2638254347.2593
Volume
1.0193863030564E+14
Surface area
10553017389.037
Circumference
182080.42701676
Perimeter
115916
Area
839782441
Diagonal
40982.49482401
Surface area
5038694646
Volume
24336055357739
Space diagonal
50193.100352538
Perimeter
86937
Area
363636463.77905
Altitude
25096.550176269
Surface area
363636463.77905
Volume
2868031628464.7
Height
13660.831608003