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

21361205 (number)

21361205 is an odd 8-digits composite number following 21361204 and preceding 21361206. In scientific notation, it is written as 2.1361205 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16448640 positive integers (up to 21361205) that are relatively prime to 21361205.

Interesting facts

21361205 has 8 divisors, whose sum is 21753600
The reverse of 21361205 is 50216312
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million three hundred sixty-one thousand two hundred five

Notation

Scientific notation	2.1361205 × 10^7
Engineering notation	2.1361205 × 10^6

Prime Factorization of 21361205

Prime Factorization 205 × 79 × 1319

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21361205	Product of the distinct prime numbers

The prime factorization of 21361205 is 205 × 79 × 1319. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 54, 20, 565, 23, 8924, 6047, 30526, 33528, 937865, 965371, 7094022, 3287802, 48494638, 34246865, 509200448, 673372949, 1954524694, 4210833917

Basic calculations (n = 21361205)

Multiplication

n×y

n×2	42722410
n×3	64083615
n×4	85444820
n×5	106806025

Division

n÷y

n÷2	10680602.5
n÷3	7120401.6666667
n÷3	5340301.25
n÷5	4272241

Exponentiation

n^y

n²	456301079052025
n³	9.7471408913515E+21
n⁴	2.0821067474404E+29
n⁵	4.4476309063958E+36

Nth Root

^y√n

²√n	4621.8183651026
³√n	277.46523926792
⁴√n	67.98395667437
⁵√n	29.236484451738

Divisors of 21361205

1, 79, 205, 1319, 16195, 104201, 270395, 21361205

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	-21361204	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 21361205 can be divided by 8 positive divisors. The sum of these divisors (counting 21361205) is 1, the average is 0.125.

Base conversion 21361205

Base	System	Value
2	Binary	1010001011111001000110101
3	Ternary	1111012021001202
4	Quaternary	1101133020311
5	Quinary	20432024310
6	Senary	2041502245
8	Octal	121371065
10	Decimal	21361205
12	Duodecimal	71a1985
16	Hexadecimal	145f235
20	Vigesimal	6da305
36	Base36	cpuet

Cryptographic Hash Functions

md5	ac2616d9e9f8d4b5ad60d9455c86d778
sha1	584622ab97545ed2905add20a4ebf9fff3870821
sha256	df03ebbf4cf9b3784a6719381969ab27b6342e9210b08792684d31da06c357a1
sha512	92963210b43105bf0df5344d613d83621e886f2cc27b3e41baaf95faa58741de733f8d5dfcf7827cbc34ec684626118152856754ada9d48b22b4bedbf514974c
ripemd-160	564e9a31c04749cf977f5b8a0a2395d79a95ea2f

21361205 as geometric shapes

Circle

Radius = n

Diameter	42722410
Circumference	134216409.39965
Area	1.4335121177749E+15

Sphere

Radius = n

Volume	4.0828728290366E+22
Surface area	5.7340484710997E+15
Circumference	134216409.39965

Square

Length = n

Perimeter	85444820
Area	456301079052025
Diagonal	30209305.819632

Cube

Length = n

Surface area	2737806474312150
Volume	9.7471408913515E+21
Space diagonal	36998692.370894

Equilateral Triangle

Length = n

Perimeter	64083615
Area	1.9758416311665E+14
Altitude	18499346.185447

Triangular Pyramid

Length = n

Surface area	1.9758416311665E+14
Volume	1.1487115702426E+21
Height	10069768.606544