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

20809321 (number)

20809321 is an odd 8-digits composite number following 20809320 and preceding 20809322. In scientific notation, it is written as 2.0809321 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19143120 positive integers (up to 20809321) that are relatively prime to 20809321.

Interesting facts

20809321 has 8 divisors, whose sum is 22486464
The reverse of 20809321 is 12390802
Previous prime number is 311

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million eight hundred nine thousand three hundred twenty-one

Notation

Scientific notation	2.0809321 × 10^7
Engineering notation	2.0809321 × 10^6

Prime Factorization of 20809321

Prime Factorization 13 × 311 × 5147

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20809321	Product of the distinct prime numbers

The prime factorization of 20809321 is 13 × 311 × 5147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 67, 54, 551, 277, 3707, 4879, 54657, 76335, 295138, 159135, 9589283, 3264670, 26335682, 74116504, 823127927, 585829796, 4936957628, 6990085609

Basic calculations (n = 20809321)

Multiplication

n×y

n×2	41618642
n×3	62427963
n×4	83237284
n×5	104046605

Division

n÷y

n÷2	10404660.5
n÷3	6936440.3333333
n÷3	5202330.25
n÷5	4161864.2

Exponentiation

n^y

n²	433027840481041
n³	9.0110153345068E+21
n⁴	1.8751311063167E+29
n⁵	3.902020510843E+36

Nth Root

^y√n

²√n	4561.7234681642
³√n	275.05484746241
⁴√n	67.540532039392
⁵√n	29.083828959561

Divisors of 20809321

1, 13, 311, 4043, 5147, 66911, 1600717, 20809321

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20809320	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809321 can be divided by 8 positive divisors. The sum of these divisors (counting 20809321) is 1, the average is 0.125.

Base conversion 20809321

Base	System	Value
2	Binary	1001111011000011001101001
3	Ternary	1110011020000121
4	Quaternary	1033120121221
5	Quinary	20311344241
6	Senary	2022003241
8	Octal	117303151
10	Decimal	20809321
12	Duodecimal	6b76521
16	Hexadecimal	13d8669
20	Vigesimal	6a1361
36	Base36	ce0kp

Cryptographic Hash Functions

md5	78b67ef0f29e4798381e86db30c78121
sha1	531df682b0203731769d06166d69a58474e70b24
sha256	4d6c4f06fbb2cd768438a062d6047d1db6d3821ea9ef2873dff5272c69863a4d
sha512	05e7cff926c683aef23bddf7863f9a9fea17dd12f7e699a27a0e617102c982442a68572674c8463b82d36613027e0f3dc159072e3c184677c9af5f3f4c5c4bc5
ripemd-160	5dcad85a4654c7f5883fd21542f620f881ae2966

20809321 as geometric shapes

Circle

Radius = n

Diameter	41618642
Circumference	130748819.95958
Area	1.3603970824551E+15

Sphere

Radius = n

Volume	3.7745252768362E+22
Surface area	5.4415883298204E+15
Circumference	130748819.95958

Square

Length = n

Perimeter	83237284
Area	433027840481041
Diagonal	29428823.981975

Cube

Length = n

Surface area	2598167042886246
Volume	9.0110153345068E+21
Space diagonal	36042801.24301

Equilateral Triangle

Length = n

Perimeter	62427963
Area	1.8750655520125E+14
Altitude	18021400.621505

Triangular Pyramid

Length = n

Surface area	1.8750655520125E+14
Volume	1.061958341401E+21
Height	9809607.9939918