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

20531821 (number)

20531821 is an odd 8-digits composite number following 20531820 and preceding 20531822. In scientific notation, it is written as 2.0531821 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20516544 positive integers (up to 20531821) that are relatively prime to 20531821.

Interesting facts

20531821 has 4 divisors, whose sum is 20547100
The reverse of 20531821 is 12813502
Previous prime number is 1489

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million five hundred thirty-one thousand eight hundred twenty-one

Notation

Scientific notation	2.0531821 × 10^7
Engineering notation	2.0531821 × 10^6

Prime Factorization of 20531821

Prime Factorization 1489 × 13789

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20531821	Product of the distinct prime numbers

The prime factorization of 20531821 is 1489 × 13789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 4, 40, 391, 479, 2394, 1584, 35341, 10345, 370605, 250737, 8943980, 657536, 51058629, 72879863, 947888668, 740011257, 8530591925, 2458406850

Basic calculations (n = 20531821)

Multiplication

n×y

n×2	41063642
n×3	61595463
n×4	82127284
n×5	102659105

Division

n÷y

n÷2	10265910.5
n÷3	6843940.3333333
n÷3	5132955.25
n÷5	4106364.2

Exponentiation

n^y

n²	421555673576041
n³	8.6553056313977E+21
n⁴	1.7770918592415E+29
n⁵	3.6486931954504E+36

Nth Root

^y√n

²√n	4531.2052480549
³√n	273.82671925183
⁴√n	67.314227679257
⁵√n	29.00584312922

Divisors of 20531821

1, 1489, 13789, 20531821

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	-20531820	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 20531821 can be divided by 4 positive divisors. The sum of these divisors (counting 20531821) is 1, the average is 0.25.

Base conversion 20531821

Base	System	Value
2	Binary	1001110010100101001101101
3	Ternary	1102122010100211
4	Quaternary	1032110221231
5	Quinary	20224004241
6	Senary	2012022421
8	Octal	116245155
10	Decimal	20531821
12	Duodecimal	6a61a11
16	Hexadecimal	1394a6d
20	Vigesimal	6869b1
36	Base36	c82gd

Cryptographic Hash Functions

md5	48aba678f770a349a6e51feaf57d8a14
sha1	e9d3ed5a1f9e6eb809d0a150b1fa6fd4fed413d7
sha256	12f933af41be994d7b7ab0515b1e6b1f055c7adc5107e62dd6cee2231557ac53
sha512	ce4fc76e8916f1bdb08b9250bb9077e4111f0054f1dda3b23d75068385bd6e56f899cae0ef2563753805613ccf2772cc14221c2ab0063bf97dfc15d8831064fc
ripemd-160	784648fed6d5455cdb8ded843ddd4083a74cdbf3

20531821 as geometric shapes

Circle

Radius = n

Diameter	41063642
Circumference	129005236.03684
Area	1.3243562071856E+15

Sphere

Radius = n

Volume	3.6255259448231E+22
Surface area	5.2974248287423E+15
Circumference	129005236.03684

Square

Length = n

Perimeter	82127284
Area	421555673576041
Diagonal	29036379.718417

Cube

Length = n

Surface area	2529334041456246
Volume	8.6553056313977E+21
Space diagonal	35562157.14391

Equilateral Triangle

Length = n

Perimeter	61595463
Area	1.8253896121316E+14
Altitude	17781078.571955

Triangular Pyramid

Length = n

Surface area	1.8253896121316E+14
Volume	1.0200375508672E+21
Height	9678793.2394722