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

220821 (number)

220821 is an odd 6-digits composite number following 220820 and preceding 220822. In scientific notation, it is written as 2.20821 × 10^5. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 147212 positive integers (up to 220821) that are relatively prime to 220821.

Interesting facts

220821 has 4 divisors, whose sum is 294432
The reverse of 220821 is 128022
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 15
Digital Root 6

Name

Name	two hundred twenty thousand eight hundred twenty-one

Notation

Scientific notation	2.20821 × 10^5
Engineering notation	2.20821 × 10^3

Prime Factorization of 220821

Prime Factorization 3 × 73607

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	220821	Product of the distinct prime numbers

The prime factorization of 220821 is 3 × 73607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 70, 91, 609, 953, 7226, 1893, 99392, 85546, 551861, 357569, 9325765, 7505323, 86288070, 84904828, 700837677, 351264054, 6837012125, 1287379991

Basic calculations (n = 220821)

Multiplication

n×y

n×2	441642
n×3	662463
n×4	883284
n×5	1104105

Division

n÷y

n÷2	110410.5
n÷3	73607
n÷3	55205.25
n÷5	44164.2

Exponentiation

n^y

n²	48761914041
n³	10767654620447661
n⁴	2.3777242609419E+21
n⁵	5.2505144902545E+26

Nth Root

^y√n

²√n	469.91594993147
³√n	60.443108415338
⁴√n	21.677544831726
⁵√n	11.716774576762

Divisors of 220821

1, 3, 73607, 220821

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-220820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 220821 can be divided by 4 positive divisors. The sum of these divisors (counting 220821) is 1, the average is 0.25.

Base conversion 220821

Base	System	Value
2	Binary	110101111010010101
3	Ternary	102012220120
4	Quaternary	311322111
5	Quinary	24031241
6	Senary	4422153
8	Octal	657225
10	Decimal	220821
12	Duodecimal	a7959
16	Hexadecimal	35e95
20	Vigesimal	17c11
36	Base36	4qdx

Cryptographic Hash Functions

md5	dde9fc7a859d44db9a1c67199b3497ea
sha1	a9adab6a71c3aafed8b804c283c7391b451999ec
sha256	5d5e8bfd28eb5ad6867e626dd10ba3c285c6693b6e6435235f1f812b59da3d94
sha512	104390227786d74ac15eb118c90aa4dd24dcab5f05acaff43d20f4f7637f6f79d1541ae759df8516e0125ed727b053834c318f11a88482f0369b0418de7bda20
ripemd-160	434a68aafa37545d6505b68cb2ac86961ef75a1d

220821 as geometric shapes

Circle

Radius = n

Diameter	441642
Circumference	1387459.2627167
Area	153190070926.18

Sphere

Radius = n

Volume	4.5103446202654E+16
Surface area	612760283704.73
Circumference	1387459.2627167

Square

Length = n

Perimeter	883284
Area	48761914041
Diagonal	312288.05305679

Cube

Length = n

Surface area	292571484246
Volume	10767654620447661
Space diagonal	382473.19137817

Equilateral Triangle

Length = n

Perimeter	662463
Area	21114528148.33
Altitude	191236.59568908

Triangular Pyramid

Length = n

Surface area	21114528148.33
Volume	1.2689802665989E+15
Height	104096.0176856