21028306 is an even 8-digits composite number following 21028305
and preceding 21028307 . In scientific notation, it is written as 2.1028306 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 9314592 positive integers (up to 21028306) that are relatively prime to 21028306.
21028306 has 24 divisors, whose sum is 35351820
The reverse of 21028306 is 60382012
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million twenty-eight thousand three hundred six
Scientific notation
2.1028306 × 10^7
Engineering notation
2.1028306 × 10^6
Prime Factorization
2 × 29 × 13 × 167 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
125918
Product of the distinct prime numbers
The prime factorization of 21028306 is 2 × 29 × 13 × 167 × 167.
Since it has a total of 5 prime factors.
2 , 2 , 12 , 71 , 758 , 296 , 8978 , 1332 , 39683 , 18344 , 202737 , 165560 , 6194124 , 3123403 , 49070496 , 78414690 , 883113683 , 355688035 , 2467509926 , 2039741652
n×2
42056612
n×3
63084918
n×4
84113224
n×5
105141530
n÷2
10514153
n÷3
7009435.3333333
n÷3
5257076.5
n÷5
4205661.2
n2
442189653229636
n3
9.2984993381467E+21
n4
1.9553168942335E+29
n5
4.1117001978911E+36
2 √n
4585.6630927272
3 √n
276.01632088602
4 √n
67.71752426608
5 √n
29.14478511677
1 , 2 , 13 , 26 , 29 , 58 , 167 , 334 , 377 , 754 , 2171 , 4342 , 4843 , 9686 , 27889 , 55778 , 62959 , 125918 , 362557 , 725114 , 808781 , 1617562 , 10514153 , 21028306
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21028305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21028306 can be divided by 24 positive divisors.
The sum of these divisors (counting 21028306) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001101110111010010
3
Ternary
1110120100102011
4
Quaternary
1100031313102
5
Quinary
20340401211
6
Senary
2030413134
8
Octal
120156722
10
Decimal
21028306
12
Duodecimal
70611aa
16
Hexadecimal
140ddd2
20
Vigesimal
6b8af6
36
Base36
cipjm
md5
ade9c1e709c30a8331b7773ca2ceffc2
sha1
7ade377e26b862e3069e4dd6fd4debffeff3d040
sha256
fa6c178249042b5e7bae2f1a71bde764f358bd6bd4c6fd7308a3573d3b8d3a42
sha512
689d72753abbffba876fd23970ec0f4c75d97e00bf8bd0a1cb306fc60ca16ebcd5bac987a598ace5d58af8b3139d1afdbca07979700a883846e47d50bb5d18ed
ripemd-160
d069a317036c92eee29f249ca1f64e96fa0eb0ce
Diameter
42056612
Circumference
132124743.29408
Area
1.3891797660796E+15
Volume
3.8949462946842E+22
Surface area
5.5567190643186E+15
Circumference
132124743.29408
Perimeter
84113224
Area
442189653229636
Diagonal
29738515.538932
Surface area
2653137919377816
Volume
9.2984993381467E+21
Space diagonal
36422094.389105
Perimeter
63084918
Area
1.9147373649375E+14
Altitude
18211047.194553
Surface area
1.9147373649375E+14
Volume
1.0958386561437E+21
Height
9912838.5129772