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

21568209 (number)

21568209 is an odd 8-digits composite number following 21568208 and preceding 21568210. In scientific notation, it is written as 2.1568209 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13204800 positive integers (up to 21568209) that are relatively prime to 21568209.

Interesting facts

21568209 has 16 divisors, whose sum is 31128384
The reverse of 21568209 is 90286512
Previous prime number is 2621

Basic properties

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

Name

Name	twenty-one million five hundred sixty-eight thousand two hundred nine

Notation

Scientific notation	2.1568209 × 10^7
Engineering notation	2.1568209 × 10^6

Prime Factorization of 21568209

Prime Factorization 13 × 3 × 2621 × 211

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21568209	Product of the distinct prime numbers

The prime factorization of 21568209 is 13 × 3 × 2621 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 89, 75, 881, 424, 5300, 7124, 73430, 29772, 705440, 823850, 6816734, 8317529, 93136660, 63669343, 98867129, 224248652, 9481924322, 9611440974

Basic calculations (n = 21568209)

Multiplication

n×y

n×2	43136418
n×3	64704627
n×4	86272836
n×5	107841045

Division

n÷y

n÷2	10784104.5
n÷3	7189403
n÷3	5392052.25
n÷5	4313641.8

Exponentiation

n^y

n²	465187639467681
n³	1.0033264232256E+22
n⁴	2.1639953991351E+29
n⁵	4.6673505043585E+36

Nth Root

^y√n

²√n	4644.1585890234
³√n	278.35863260617
⁴√n	68.148063721748
⁵√n	29.292930193565

Divisors of 21568209

1, 3, 13, 39, 211, 633, 2621, 2743, 7863, 8229, 34073, 102219, 553031, 1659093, 7189403, 21568209

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	-21568208	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 21568209 can be divided by 16 positive divisors. The sum of these divisors (counting 21568209) is 1, the average is 0.0625.

Base conversion 21568209

Base	System	Value
2	Binary	1010010010001101011010001
3	Ternary	1111120210000120
4	Quaternary	1102101223101
5	Quinary	21010140314
6	Senary	2050140453
8	Octal	122215321
10	Decimal	21568209
12	Duodecimal	7281729
16	Hexadecimal	1491ad1
20	Vigesimal	6eg0a9
36	Base36	cua4x

Cryptographic Hash Functions

md5	cab3195a37a4f175739e21ccea6b657d
sha1	92cfe79b4e500d0b272ffd7eca6ef946c5182582
sha256	e1b5828449c70b1b2cb223c053c290219e6c00cf99bd380d7856010f9c463666
sha512	b6c247b883c9586d65796b4b2fd7c26b1c695f405d7018f5062a2ca1e374940fc6d8ea74d61c10776d492511df1023040f14b34f269794550af03e4ae92f78f2
ripemd-160	10b5296ff7ee5264ae2f7f5902288b1eda332fcc

21568209 as geometric shapes

Circle

Radius = n

Diameter	43136418
Circumference	135517053.89098
Area	1.4614300706924E+15

Sphere

Radius = n

Volume	4.2027238938106E+22
Surface area	5.8457202827698E+15
Circumference	135517053.89098

Square

Length = n

Perimeter	86272836
Area	465187639467681
Diagonal	30502053.683897

Cube

Length = n

Surface area	2791125836806086
Volume	1.0033264232256E+22
Space diagonal	37357233.816264

Equilateral Triangle

Length = n

Perimeter	64704627
Area	2.0143215665276E+14
Altitude	18678616.908132

Triangular Pyramid

Length = n

Surface area	2.0143215665276E+14
Volume	1.1824315293441E+21
Height	10167351.227966