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

20213821 (number)

20213821 is an odd 8-digits composite number following 20213820 and preceding 20213822. In scientific notation, it is written as 2.0213821 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20134912 positive integers (up to 20213821) that are relatively prime to 20213821.

Interesting facts

20213821 has 4 divisors, whose sum is 20292732
The reverse of 20213821 is 12831202
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty million two hundred thirteen thousand eight hundred twenty-one

Notation

Scientific notation	2.0213821 × 10^7
Engineering notation	2.0213821 × 10^6

Prime Factorization of 20213821

Prime Factorization 257 × 78653

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20213821	Product of the distinct prime numbers

The prime factorization of 20213821 is 257 × 78653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 85, 65, 268, 830, 8791, 1209, 76974, 50323, 597933, 707750, 7715124, 5235673, 32452282, 93675812, 539067485, 997211294, 8369014339, 2838191323

Basic calculations (n = 20213821)

Multiplication

n×y

n×2	40427642
n×3	60641463
n×4	80855284
n×5	101069105

Division

n÷y

n÷2	10106910.5
n÷3	6737940.3333333
n÷3	5053455.25
n÷5	4042764.2

Exponentiation

n^y

n²	408598559420041
n³	8.2593381409746E+21
n⁴	1.6695278276013E+29
n⁵	3.3747536661652E+36

Nth Root

^y√n

²√n	4495.9783140046
³√n	272.40566720499
⁴√n	67.052056747013
⁵√n	28.915431867706

Divisors of 20213821

1, 257, 78653, 20213821

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	-20213820	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 20213821 can be divided by 4 positive divisors. The sum of these divisors (counting 20213821) is 1, the average is 0.25.

Base conversion 20213821

Base	System	Value
2	Binary	1001101000111000000111101
3	Ternary	1102000222011001
4	Quaternary	1031013000331
5	Quinary	20133320241
6	Senary	2001130301
8	Octal	115070075
10	Decimal	20213821
12	Duodecimal	6929991
16	Hexadecimal	134703d
20	Vigesimal	666eb1
36	Base36	c1931

Cryptographic Hash Functions

md5	b574c0071c4a692aef6489dcf1a93f37
sha1	dfa64b455461bbdcb73ac5d9ef4caf4ea784d130
sha256	6505cefe9f48e7f10fe44083442b4b968a6c2277da77ca1262751dd2586436c8
sha512	5cb1e35dbdf82b1392b0bd9b0309f311e679503227f6391abc99229c920d5410bb7e9dfbdb9702d7b98902857d33d58d5b4518241438e235344bc4d559be95b5
ripemd-160	d96a26f1a8be4dfc151378d300211221043418ff

20213821 as geometric shapes

Circle

Radius = n

Diameter	40427642
Circumference	127007183.10916
Area	1.2836502325414E+15

Sphere

Radius = n

Volume	3.4596634702933E+22
Surface area	5.1346009301655E+15
Circumference	127007183.10916

Square

Length = n

Perimeter	80855284
Area	408598559420041
Diagonal	28586659.805582

Cube

Length = n

Surface area	2451591356520246
Volume	8.2593381409746E+21
Space diagonal	35011364.987103

Equilateral Triangle

Length = n

Perimeter	60641463
Area	1.7692836620374E+14
Altitude	17505682.493551

Triangular Pyramid

Length = n

Surface area	1.7692836620374E+14
Volume	9.733723345993E+20
Height	9528886.6018607