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

20686821 (number)

20686821 is an odd 8-digits composite number following 20686820 and preceding 20686822. In scientific notation, it is written as 2.0686821 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13107776 positive integers (up to 20686821) that are relatively prime to 20686821.

Interesting facts

20686821 has 16 divisors, whose sum is 28964736
The reverse of 20686821 is 12868602
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty million six hundred eighty-six thousand eight hundred twenty-one

Notation

Scientific notation	2.0686821 × 10^7
Engineering notation	2.0686821 × 10^6

Prime Factorization of 20686821

Prime Factorization 173 × 3 × 23 × 1733

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20686821	Product of the distinct prime numbers

The prime factorization of 20686821 is 173 × 3 × 23 × 1733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 86, 58, 266, 357, 9483, 4979, 88662, 79165, 143546, 952640, 8039129, 5619636, 39138048, 69525781, 526079445, 272487170, 7953563480, 820376566

Basic calculations (n = 20686821)

Multiplication

n×y

n×2	41373642
n×3	62060463
n×4	82747284
n×5	103434105

Division

n÷y

n÷2	10343410.5
n÷3	6895607
n÷3	5171705.25
n÷5	4137364.2

Exponentiation

n^y

n²	427944563086041
n³	8.8528125744841E+21
n⁴	1.831365490749E+29
n⁵	3.7885130092702E+36

Nth Root

^y√n

²√n	4548.276706622
³√n	274.51405530534
⁴√n	67.440912706027
⁵√n	29.049505993386

Divisors of 20686821

1, 3, 23, 69, 173, 519, 1733, 3979, 5199, 11937, 39859, 119577, 299809, 899427, 6895607, 20686821

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20686820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686821 can be divided by 16 positive divisors. The sum of these divisors (counting 20686821) is 1, the average is 0.0625.

Base conversion 20686821

Base	System	Value
2	Binary	1001110111010011111100101
3	Ternary	1102220222222120
4	Quaternary	1032322133211
5	Quinary	20243434241
6	Senary	2015220153
8	Octal	116723745
10	Decimal	20686821
12	Duodecimal	6b17659
16	Hexadecimal	13ba7e5
20	Vigesimal	695h11
36	Base36	cbe1x

Cryptographic Hash Functions

md5	76d13ab110dc552f26f73bc979f04761
sha1	ae06d645ae4b29ba5e36b485eac8e30f6caa42e9
sha256	deb0a2387173600c1400fdad2ff4e1dd30c5729572c6b6b4baabf135754260ba
sha512	b0e2072f6797bb72d6ff83e1b20c11db072bf2d16cad7bab6e27f5dfb54498faeb9164537f1de563e0a119ee6e5a98271648de5c105d6e7c30d7bf189fa5cd7a
ripemd-160	f6ac1db3c3f01442dbc90b277ff03237d1a2d7c8

20686821 as geometric shapes

Circle

Radius = n

Diameter	41373642
Circumference	129979129.75945
Area	1.3444274955348E+15

Sphere

Radius = n

Volume	3.7082574596809E+22
Surface area	5.3777099821392E+15
Circumference	129979129.75945

Square

Length = n

Perimeter	82747284
Area	427944563086041
Diagonal	29255582.820585

Cube

Length = n

Surface area	2567667378516246
Volume	8.8528125744841E+21
Space diagonal	35830625.019083

Equilateral Triangle

Length = n

Perimeter	62060463
Area	1.8530543152197E+14
Altitude	17915312.509541

Triangular Pyramid

Length = n

Surface area	1.8530543152197E+14
Volume	1.0433139673319E+21
Height	9751860.9401949