82821 is an odd 5-digits composite number following 82820
and preceding 82822 . In scientific notation, it is written as 8.2821 × 10^4.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 52272 positive integers (up to 82821) that are relatively prime to 82821.
82821 has 8 divisors, whose sum is 116320
The reverse of 82821 is 12828
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
eighty-two thousand eight hundred twenty-one
Scientific notation
8.2821 × 10^4
Engineering notation
8.2821 × 10^3
Prime Factorization
3 × 19 × 1453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82821
Product of the distinct prime numbers
The prime factorization of 82821 is 3 × 19 × 1453.
Since it has a total of 3 prime factors.
3 , 2 , 57 , 62 , 291 , 694 , 2251 , 8969 , 91462 , 94205 , 700365 , 392374 , 4813782 , 7398863 , 88097745 , 4049648 , 667389072 , 573977980 , 7792716402 , 5562280092
n×2
165642
n×3
248463
n×4
331284
n×5
414105
n÷2
41410.5
n÷3
27607
n÷3
20705.25
n÷5
16564.2
n2
6859318041
n3
568095579473661
n4
4.7050243987588E+19
n5
3.896748257296E+24
2 √n
287.78637910784
3 √n
43.589326287668
4 √n
16.964267715049
5 √n
9.6300400654184
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82821 can be divided by 8 positive divisors.
The sum of these divisors (counting 82821) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100001110000101
3
Ternary
11012121110
4
Quaternary
110032011
5
Quinary
10122241
6
Senary
1435233
8
Octal
241605
10
Decimal
82821
12
Duodecimal
3bb19
16
Hexadecimal
14385
20
Vigesimal
a711
36
Base36
1rwl
md5
970519f60263a12b534611f697a856fe
sha1
9a55ecd0dcb1fd283d84e985e1d3c8fef9ca2006
sha256
14ac4a006c4cdb3307ace0124002959ac1b26820b5d862a7b269a5479ab71037
sha512
ee35da73bc73ac3b9af0317f359d719bed966969956791c809e7b61031e30a283400924d10216610442f82a8e8b66da0ce6892f5be24096153eb7dc79dcfbc06
ripemd-160
80f199830258349f22a8cd3e419183a48465ad70
Diameter
165642
Circumference
520379.69032592
Area
21549183166.242
Volume
2.3796331986817E+15
Surface area
86196732664.966
Circumference
520379.69032592
Perimeter
331284
Area
6859318041
Diagonal
117126.5814493
Surface area
41155908246
Volume
568095579473661
Space diagonal
143450.17993366
Perimeter
248463
Area
2970171838.0715
Altitude
71725.089966831
Surface area
2970171838.0715
Volume
66950706101321
Height
39042.193816434