82821 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-two thousand eight hundred twenty-one

Notation

Scientific notation 8.2821 × 10^4
Engineering notation 8.2821 × 10^3

Prime Factorization of 82821

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.

Most popular turbo-numbers

Basic calculations (n = 82821)

Multiplication

n×y
n×2 165642
n×3 248463
n×4 331284
n×5 414105

Division

n÷y
n÷2 41410.5
n÷3 27607
n÷3 20705.25
n÷5 16564.2

Exponentiation

ny
n2 6859318041
n3 568095579473661
n4 4.7050243987588E+19
n5 3.896748257296E+24

Nth Root

y√n
2√n 287.78637910784
3√n 43.589326287668
4√n 16.964267715049
5√n 9.6300400654184

Divisors of 82821

1, 3, 19, 57, 1453, 4359, 27607, 82821

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 conversion 82821

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

Cryptographic Hash Functions

md5 970519f60263a12b534611f697a856fe
sha1 9a55ecd0dcb1fd283d84e985e1d3c8fef9ca2006
sha256 14ac4a006c4cdb3307ace0124002959ac1b26820b5d862a7b269a5479ab71037
sha512 ee35da73bc73ac3b9af0317f359d719bed966969956791c809e7b61031e30a283400924d10216610442f82a8e8b66da0ce6892f5be24096153eb7dc79dcfbc06
ripemd-160 80f199830258349f22a8cd3e419183a48465ad70

82821 as geometric shapes

Circle

Radius = n
Diameter 165642
Circumference 520379.69032592
Area 21549183166.242

Sphere

Radius = n
Volume 2.3796331986817E+15
Surface area 86196732664.966
Circumference 520379.69032592

Square

Length = n
Perimeter 331284
Area 6859318041
Diagonal 117126.5814493

Cube

Length = n
Surface area 41155908246
Volume 568095579473661
Space diagonal 143450.17993366

Equilateral Triangle

Length = n
Perimeter 248463
Area 2970171838.0715
Altitude 71725.089966831

Triangular Pyramid

Length = n
Surface area 2970171838.0715
Volume 66950706101321
Height 39042.193816434