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

20971209 (number)

20971209 is an odd 8-digits composite number following 20971208 and preceding 20971210. In scientific notation, it is written as 2.0971209 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 11983536 positive integers (up to 20971209) that are relatively prime to 20971209.

Interesting facts

20971209 has 4 divisors, whose sum is 21969860
The reverse of 20971209 is 90217902
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million nine hundred seventy-one thousand two hundred nine

Notation

Scientific notation	2.0971209 × 10^7
Engineering notation	2.0971209 × 10^6

Prime Factorization of 20971209

Prime Factorization 21 × 998629

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20971209	Product of the distinct prime numbers

The prime factorization of 20971209 is 21 × 998629. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 19, 58, 749, 834, 5953, 3658, 87822, 88011, 47702, 404982, 2954577, 7355767, 18101947, 18036461, 832456201, 873316980, 4101775984, 1921146329

Basic calculations (n = 20971209)

Multiplication

n×y

n×2	41942418
n×3	62913627
n×4	83884836
n×5	104856045

Division

n÷y

n÷2	10485604.5
n÷3	6990403
n÷3	5242802.25
n÷5	4194241.8

Exponentiation

n^y

n²	439791606921681
n³	9.2229617052004E+21
n⁴	1.9341665751875E+29
n⁵	4.0561811489072E+36

Nth Root

^y√n

²√n	4579.4332618786
³√n	275.76627713947
⁴√n	67.671509971912
⁵√n	29.128940853333

Divisors of 20971209

1, 21, 998629, 20971209

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	-20971208	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 20971209 can be divided by 4 positive divisors. The sum of these divisors (counting 20971209) is 1, the average is 0.25.

Base conversion 20971209

Base	System	Value
2	Binary	1001111111111111011001001
3	Ternary	1110110110002110
4	Quaternary	1033333323021
5	Quinary	20332034314
6	Senary	2025252533
8	Octal	117777311
10	Decimal	20971209
12	Duodecimal	7034149
16	Hexadecimal	13ffec9
20	Vigesimal	6b1809
36	Base36	chhhl

Cryptographic Hash Functions

md5	a315521fd727363b5aacb120a61a037d
sha1	e92be963c90b9b2d1e9c3429895378d305e16433
sha256	2da4fb7ba5c99324adb19cd061520704594dc026f03156e8350d46d3adb00cf9
sha512	4904052adba83de8375754e164addab041bcc9d34a45f48548e11677afa58beeefb78683d051be3f983405585a7cf06bb41d23ca6d0771835387d5e854a7fac0
ripemd-160	895247c16a06d98fcb2ae50c03c78ac87715b451

20971209 as geometric shapes

Circle

Radius = n

Diameter	41942418
Circumference	131765992.26259
Area	1.3816460814156E+15

Sphere

Radius = n

Volume	3.8633051649863E+22
Surface area	5.5265843256624E+15
Circumference	131765992.26259

Square

Length = n

Perimeter	83884836
Area	439791606921681
Diagonal	29657768.187161

Cube

Length = n

Surface area	2638749641530086
Volume	9.2229617052004E+21
Space diagonal	36323199.484146

Equilateral Triangle

Length = n

Perimeter	62913627
Area	1.9043535198268E+14
Altitude	18161599.742073

Triangular Pyramid

Length = n

Surface area	1.9043535198268E+14
Volume	1.0869364607285E+21
Height	9885922.7290536