21028082 is an even 8-digits composite number following 21028081
and preceding 21028083 . In scientific notation, it is written as 2.1028082 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 9684288 positive integers (up to 21028082) that are relatively prime to 21028082.
21028082 has 16 divisors, whose sum is 34110720
The reverse of 21028082 is 28082012
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million twenty-eight thousand eighty-two
Scientific notation
2.1028082 × 10^7
Engineering notation
2.1028082 × 10^6
Prime Factorization
2 × 17 × 47 × 13159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21028082
Product of the distinct prime numbers
The prime factorization of 21028082 is 2 × 17 × 47 × 13159.
Since it has a total of 4 prime factors.
7 , 3 , 36 , 53 , 694 , 367 , 7602 , 3014 , 72857 , 99195 , 92891 , 759307 , 5131643 , 1761911 , 60034188 , 71321498 , 922755066 , 31084400 , 7168200627 , 4502175973
n×2
42056164
n×3
63084246
n×4
84112328
n×5
105140410
n÷2
10514041
n÷3
7009360.6666667
n÷3
5257020.5
n÷5
4205616.4
n2
442180232598724
n3
9.298202189865E+21
n4
1.9552335810106E+29
n5
4.1114812070645E+36
2 √n
4585.6386687134
3 √n
276.01534081222
4 √n
67.717343928372
5 √n
29.144723024658
1 , 2 , 17 , 34 , 47 , 94 , 799 , 1598 , 13159 , 26318 , 223703 , 447406 , 618473 , 1236946 , 10514041 , 21028082
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
-21028081
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 21028082 can be divided by 16 positive divisors.
The sum of these divisors (counting 21028082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001101110011110010
3
Ternary
1110120100002212
4
Quaternary
1100031303302
5
Quinary
20340344312
6
Senary
2030412122
8
Octal
120156362
10
Decimal
21028082
12
Duodecimal
7061042
16
Hexadecimal
140dcf2
20
Vigesimal
6b8a42
36
Base36
cipde
md5
1bd26a5ae481f9dd0a60cc32bec00448
sha1
392c0bfe56561ec394461db61303d8d4f77b189e
sha256
93cc98fb1de46fd7df1b44edcfa1606bbb2112d3696d07c9b371a7cbc31b1f08
sha512
13435d2acaa233b71e469ee0ea5f3c33b7caa2469ba805e7bf8d64169a21a3c1412a219b6103d07053af454071e94d8f61054ef94a0558c73a966c5ed0e4cd62
ripemd-160
3c66d9dc83077a8f9383620364daccaac3d97c19
Diameter
42056164
Circumference
132123335.86057
Area
1.3891501702948E+15
Volume
3.894821825503E+22
Surface area
5.5566006811791E+15
Circumference
132123335.86057
Perimeter
84112328
Area
442180232598724
Diagonal
29738198.755094
Surface area
2653081395592344
Volume
9.298202189865E+21
Space diagonal
36421706.409725
Perimeter
63084246
Area
1.914696572409E+14
Altitude
18210853.204862
Surface area
1.914696572409E+14
Volume
1.0958036368829E+21
Height
9912732.9183645