28122020 is an even 8-digits composite number following 28122019
and preceding 28122021 . In scientific notation, it is written as 2.8122020 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 11248800 positive integers (up to 28122020) that are relatively prime to 28122020.
28122020 has 12 divisors, whose sum is 59056284
The reverse of 28122020 is 02022182
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-eight million one hundred twenty-two thousand twenty
Scientific notation
2.8122020 × 10^7
Engineering notation
2.8122020 × 10^6
Prime Factorization
2 × 2 × 5 × 1406101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14061010
Product of the distinct prime numbers
The prime factorization of 28122020 is 2 × 2 × 5 × 1406101.
Since it has a total of 4 prime factors.
6 , 10 , 11 , 89 , 173 , 536 , 7956 , 2178 , 8671 , 31639 , 283667 , 115892 , 4214436 , 7647718 , 401071 , 86506531 , 596116301 , 523136515 , 3139146132 , 702195801
n×2
56244040
n×3
84366060
n×4
112488080
n×5
140610100
n÷2
14061010
n÷3
9374006.6666667
n÷3
7030505
n÷5
5624404
n2
790848008880400
n3
2.2240243522695E+22
n4
6.2544057315009E+29
n5
1.7588652306938E+37
2 √n
5303.0198943621
3 √n
304.09935868111
4 √n
72.821836658808
5 √n
30.889387906302
1 , 2 , 4 , 5 , 10 , 20 , 1406101 , 2812202 , 5624404 , 7030505 , 14061010 , 28122020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28122019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28122020 can be divided by 12 positive divisors.
The sum of these divisors (counting 28122020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010001101110100100
3
Ternary
1221220202011022
4
Quaternary
1223101232210
5
Quinary
24144401040
6
Senary
2442430312
8
Octal
153215644
10
Decimal
28122020
12
Duodecimal
9502398
16
Hexadecimal
1ad1ba4
20
Vigesimal
8ff510
36
Base36
gqr38
md5
17522f73b330b4fb5985fc0fe4252495
sha1
3f0e1b4a2a2634540ac2712613e0850e4c1f4fa8
sha256
c57bc213f935afd79acf0ddcb0afa3a2175ffdf915eb76ffcec72e0b58def518
sha512
ef1ba62be9ea0473a393221bcbf7e0fe6ed3e3ab9de4cbeeb4baedf82574df00cab0c21ef181e1c4746dc92b0fe6325e2dce659d7ec2ebc5c0a5e6f21c6c6332
ripemd-160
dfbf89732265ffaf2fdc05be5b0e92228369396c
Diameter
56244040
Circumference
176695862.87221
Area
2.4845222948048E+15
Volume
9.3159714219928E+22
Surface area
9.9380891792191E+15
Circumference
176695862.87221
Perimeter
112488080
Area
790848008880400
Diagonal
39770542.085327
Surface area
4745088053282400
Volume
2.2240243522695E+22
Space diagonal
48708767.451468
Perimeter
84366060
Area
3.4244723311138E+14
Altitude
24354383.725734
Surface area
3.4244723311138E+14
Volume
2.6210378350229E+21
Height
13256847.361776