28395939 is an odd 8-digits composite number following 28395938
and preceding 28395940 . In scientific notation, it is written as 2.8395939 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 15885600 positive integers (up to 28395939) that are relatively prime to 28395939.
28395939 has 16 divisors, whose sum is 44481024
The reverse of 28395939 is 93959382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million three hundred ninety-five thousand nine hundred thirty-nine
Scientific notation
2.8395939 × 10^7
Engineering notation
2.8395939 × 10^6
Prime Factorization
3 × 13 × 11 × 66191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28395939
Product of the distinct prime numbers
The prime factorization of 28395939 is 3 × 13 × 11 × 66191.
Since it has a total of 4 prime factors.
4 , 8 , 80 , 65 , 402 , 164 , 4276 , 1124 , 10232 , 9690 , 981303 , 118097 , 223609 , 5411128 , 66820669 , 76897474 , 469688295 , 136571615 , 1575019128 , 5789895816
n×2
56791878
n×3
85187817
n×4
113583756
n×5
141979695
n÷2
14197969.5
n÷3
9465313
n÷3
7098984.75
n÷5
5679187.8
n2
806329351691721
n3
2.2896479084548E+22
n4
6.5016702339959E+29
n5
1.8462103136266E+37
2 √n
5328.7840076325
3 √n
305.0835173955
4 √n
72.998520585232
5 √n
30.949329656853
1 , 3 , 11 , 13 , 33 , 39 , 143 , 429 , 66191 , 198573 , 728101 , 860483 , 2184303 , 2581449 , 9465313 , 28395939
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28395938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28395939 can be divided by 16 positive divisors.
The sum of these divisors (counting 28395939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010100100110100011
3
Ternary
1222102122220110
4
Quaternary
1230110212203
5
Quinary
24232132224
6
Senary
2452342403
8
Octal
154244643
10
Decimal
28395939
12
Duodecimal
9614a03
16
Hexadecimal
1b149a3
20
Vigesimal
8h99gj
36
Base36
gwmg3
md5
b64f49016be40f9f72dc60c309ab2b40
sha1
b4e8cf09492bfbe0f95cff707e4ccea8ce492c76
sha256
64abddb248cd8d6910471859e2fd2b558dcfa03d2a68c045b1666a3b4e4992cf
sha512
0d67dfd30f9c5108e18a39c67ec074c224bb572d8aa59176e6994dda65f446dac35f124f2cecd12d44fa8491b89aac3a57203c19108dffe2854ba1fd1ec733bc
ripemd-160
314a6cc9388e6ea0d0be290ac6083d604d46fc9f
Diameter
56791878
Circumference
178416946.70837
Area
2.5331583676485E+15
Volume
9.590854731345E+22
Surface area
1.0132633470594E+16
Circumference
178416946.70837
Perimeter
113583756
Area
806329351691721
Diagonal
40157922.050119
Surface area
4837976110150326
Volume
2.2896479084548E+22
Space diagonal
49183209.076627
Perimeter
85187817
Area
3.4915085119103E+14
Altitude
24591604.538313
Surface area
3.4915085119103E+14
Volume
2.6983759376633E+21
Height
13385974.016706