28970 is an even 5-digits composite number following 28969
and preceding 28971 . In scientific notation, it is written as 2.8970 × 10^4.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 11584 positive integers (up to 28970) that are relatively prime to 28970.
28970 has 8 divisors, whose sum is 52164
The reverse of 28970 is 07982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 5
Sum of Digits 26
Digital Root 8
Name
twenty-eight thousand nine hundred seventy
Scientific notation
2.8970 × 10^4
Engineering notation
2.8970 × 10^3
Prime Factorization
2 × 5 × 2897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28970
Product of the distinct prime numbers
The prime factorization of 28970 is 2 × 5 × 2897.
Since it has a total of 3 prime factors.
8 , 2 , 58 , 76 , 765 , 486 , 5393 , 9510 , 99261 , 95570 , 699502 , 39433 , 4340897 , 7911792 , 15609891 , 57933942 , 268806944 , 237532125 , 6111531689 , 5910947982
n×2
57940
n×3
86910
n×4
115880
n×5
144850
n÷2
14485
n÷3
9656.6666666667
n÷3
7242.5
n÷5
5794
n2
839260900
n3
24313388273000
n4
704358858268810000
n5
2.0405276124047E+22
2 √n
170.20575783445
3 √n
30.712570405636
4 √n
13.046292877076
5 √n
7.8053017798001
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
-28969
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 28970 can be divided by 8 positive divisors.
The sum of these divisors (counting 28970) is 1, the average is 0.125.
Base
System
Value
2
Binary
111000100101010
3
Ternary
1110201222
4
Quaternary
13010222
5
Quinary
1411340
6
Senary
342042
8
Octal
70452
10
Decimal
28970
12
Duodecimal
14922
16
Hexadecimal
712a
20
Vigesimal
3c8a
36
Base36
mcq
md5
3f2b8decc6771a77dad1fa90ced28eaa
sha1
29f956c938ad058f3a48498b1aee47f5103ddb03
sha256
828f495c8d6766dc361a12a23c3d112df97c3c7d40ebe98a1a13cde33fc19d1a
sha512
6852a214e98d6025454f760e4e1b058019061325e91b494268339ae90341a05c0f66cb13112d86719b34b5c039fb5b59fe882dcef2c771f4978c85783d83d2d8
ripemd-160
233fe46678567ee8ca5a1f734aeaa8f32326ae82
Diameter
57940
Circumference
182023.87834899
Area
2636615877.8852
Volume
1.0184368264311E+14
Surface area
10546463511.541
Circumference
182023.87834899
Perimeter
115880
Area
839260900
Diagonal
40969.766901949
Surface area
5035565400
Volume
24313388273000
Space diagonal
50177.51189527
Perimeter
86910
Area
363410629.9015
Altitude
25088.755947635
Surface area
363410629.9015
Volume
2865360286910
Height
13656.588967316