28809375 is an odd 8-digits composite number following 28809374
and preceding 28809376 . In scientific notation, it is written as 2.8809375 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 20 positive divisors.
There are 13140000 positive integers (up to 28809375) that are relatively prime to 28809375.
28809375 has 20 divisors, whose sum is 36425840
The reverse of 28809375 is 57390882
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million eight hundred nine thousand three hundred seventy-five
Scientific notation
2.8809375 × 10^7
Engineering notation
2.8809375 × 10^6
Prime Factorization
105 × 5 × 25 × 5 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5761875
Product of the distinct prime numbers
The prime factorization of 28809375 is 105 × 5 × 25 × 5 × 439.
Since it has a total of 5 prime factors.
7 , 7 , 37 , 16 , 985 , 177 , 8950 , 5577 , 39654 , 47131 , 723648 , 501839 , 8885240 , 2130963 , 21341119 , 50537606 , 78264794 , 480798258 , 9252210192 , 8028565960
n×2
57618750
n×3
86428125
n×4
115237500
n×5
144046875
n÷2
14404687.5
n÷3
9603125
n÷3
7202343.75
n÷5
5761875
n2
829980087890625
n3
2.3911207594574E+22
n4
6.8886694629493E+29
n5
1.9845826180915E+37
2 √n
5367.4365389821
3 √n
306.55702930714
4 √n
73.262790958181
5 √n
31.038931847513
1 , 5 , 25 , 105 , 125 , 439 , 525 , 625 , 2195 , 2625 , 10975 , 13125 , 46095 , 54875 , 65625 , 230475 , 274375 , 1152375 , 5761875 , 28809375
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28809374
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28809375 can be divided by 20 positive divisors.
The sum of these divisors (counting 28809375) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101111001100010011111
3
Ternary
2000012200000220
4
Quaternary
1231321202133
5
Quinary
24333400000
6
Senary
2505252423
8
Octal
155714237
10
Decimal
28809375
12
Duodecimal
9794113
16
Hexadecimal
1b7989f
20
Vigesimal
90138f
36
Base36
h5hgf
md5
7efe8e147519ce19de684ff6171ca9b9
sha1
6618d2da7a6454132b179b7fc676614315f62e02
sha256
c1edbee0c005c96878d49b01c3dba8c7071c50b940fcacbb4bb19ed627676a93
sha512
d43730dce213883c8b2a2b6b1904a9edf227383c4f7e46ad0db9da8c22c6b5291952930d4723dcae3811dd85f4918b0082ec2ffcbf8507668a76410a39311d42
ripemd-160
d6c62e1477d9cb99587c1cc2194cf6581cdd5b64
Diameter
57618750
Circumference
181014641.70903
Area
2.607459346743E+15
Volume
1.0015903215677E+23
Surface area
1.0429837386972E+16
Circumference
181014641.70903
Perimeter
115237500
Area
829980087890625
Diagonal
40742608.848492
Surface area
4979880527343750
Volume
2.3911207594574E+22
Space diagonal
49899301.234305
Perimeter
86428125
Area
3.5939192037426E+14
Altitude
24949650.617152
Surface area
3.5939192037426E+14
Volume
2.8179628394138E+21
Height
13580869.616164