Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

82721 (number)

82721 is an odd 5-digits prime number following 82720 and preceding 82722. In scientific notation, it is written as 8.2721 × 10^4. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 82720 positive integers (up to 82721) that are relatively prime to 82721.

Interesting facts

82721 has 2 divisors, whose sum is 82722
The reverse of 82721 is 12728
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2

Name

Name	eighty-two thousand seven hundred twenty-one

Notation

Scientific notation	8.2721 × 10^4
Engineering notation	8.2721 × 10^3

Prime Factorization of 82721

Prime Factorization 82721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	82721	Product of the distinct prime numbers

The prime factorization of 82721 is 82721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 4, 82, 54, 768, 507, 1727, 5564, 97663, 26686, 656784, 740377, 8714157, 2250776, 31753271, 19780410, 963156028, 57183795, 3004547656, 3649267276

Basic calculations (n = 82721)

Multiplication

n×y

n×2	165442
n×3	248163
n×4	330884
n×5	413605

Division

n÷y

n÷2	41360.5
n÷3	27573.666666667
n÷3	20680.25
n÷5	16544.2

Exponentiation

n^y

n²	6842763841
n³	566040267691361
n⁴	4.6823416983697E+19
n⁵	3.8732798763084E+24

Nth Root

^y√n

²√n	287.61258665086
³√n	43.571775633585
⁴√n	16.959144632052
⁵√n	9.627713434624

Divisors of 82721

1, 82721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	82722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	41361	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	287.61432509526	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999758226348	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82721 can be divided by 2 positive divisors. The sum of these divisors (counting 82721) is 82722, the average is 41361.

Base conversion 82721

Base	System	Value
2	Binary	10100001100100001
3	Ternary	11012110202
4	Quaternary	110030201
5	Quinary	10121341
6	Senary	1434545
8	Octal	241441
10	Decimal	82721
12	Duodecimal	3ba55
16	Hexadecimal	14321
20	Vigesimal	a6g1
36	Base36	1rtt

Cryptographic Hash Functions

md5	4d19b1c13e7556923fa273aa4b650336
sha1	a39402f27222cd18509fc3566b3015c836dbc1cb
sha256	d43a6a457d6472c3dbfb66db3631aff6751e91a9fb856a7292eae653db909e24
sha512	a950d1c4babdab62402e326ee0800b545b3ccf5fbee64548b9555ff767b62190800c5fa55953ec231698ee36f9b4962bb02dfc19d4dd52266737affce555e3f8
ripemd-160	662a190649d428a0f3a5d6c8dae6a60af576a568

82721 as geometric shapes

Circle

Radius = n

Diameter	165442
Circumference	519751.3717952
Area	21497176613.135

Sphere

Radius = n

Volume	2.3710239288202E+15
Surface area	85988706452.542
Circumference	519751.3717952

Square

Length = n

Perimeter	330884
Area	6842763841
Diagonal	116985.16009306

Cube

Length = n

Surface area	41056583046
Volume	566040267691361
Space diagonal	143276.97485291

Equilateral Triangle

Length = n

Perimeter	248163
Area	2963003659.2018
Altitude	71638.487426453

Triangular Pyramid

Length = n

Surface area	2963003659.2018
Volume	66708485284868
Height	38995.053364355