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

13205721 (number)

13205721 is an odd 8-digits composite number following 13205720 and preceding 13205722. In scientific notation, it is written as 1.3205721 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 8453760 positive integers (up to 13205721) that are relatively prime to 13205721.

Interesting facts

13205721 has 16 divisors, whose sum is 18316800
The reverse of 13205721 is 12750231
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	thirteen million two hundred five thousand seven hundred twenty-one

Notation

Scientific notation	1.3205721 × 10^7
Engineering notation	1.3205721 × 10^6

Prime Factorization of 13205721

Prime Factorization 3 × 953 × 31 × 149

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	13205721	Product of the distinct prime numbers

The prime factorization of 13205721 is 3 × 953 × 31 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 41, 70, 252, 961, 5083, 6988, 43716, 91575, 182732, 257906, 6765239, 7476253, 38692603, 83493194, 663072700, 57763302, 3702015630, 7252344207

Basic calculations (n = 13205721)

Multiplication

n×y

n×2	26411442
n×3	39617163
n×4	52822884
n×5	66028605

Division

n÷y

n÷2	6602860.5
n÷3	4401907
n÷3	3301430.25
n÷5	2641144.2

Exponentiation

n^y

n²	174391067129841
n³	2.302959777409E+21
n⁴	3.0412244294685E+28
n⁵	4.0161561313945E+35

Nth Root

^y√n

²√n	3633.9676663394
³√n	236.36728814064
⁴√n	60.282399308085
⁵√n	26.555374074322

Divisors of 13205721

1, 3, 31, 93, 149, 447, 953, 2859, 4619, 13857, 29543, 88629, 141997, 425991, 4401907, 13205721

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	-13205720	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 13205721 can be divided by 16 positive divisors. The sum of these divisors (counting 13205721) is 1, the average is 0.0625.

Base conversion 13205721

Base	System	Value
2	Binary	110010011000000011011001
3	Ternary	220211220211210
4	Quaternary	302120003121
5	Quinary	11340040341
6	Senary	1151013333
8	Octal	62300331
10	Decimal	13205721
12	Duodecimal	450a249
16	Hexadecimal	c980d9
20	Vigesimal	42ae61
36	Base36	7v1ll

Cryptographic Hash Functions

md5	12d1fe4a64c7c5faf928fb200c228506
sha1	3a55a69fdd52c9c1e4b1b8e8f2dbdb7ab85080d0
sha256	75d7b120af2ba2b87d7d62982cb15e44a0fcd4eb12a2edad61be6867adcaaf5c
sha512	0aa9d3c08cbc4d648942d74736353602e4a3cf9e17aeb34d9844380cba9b5ae3f700f586bc9d7ab290343cd8046e38444c3bc1551addfc70fd125443e90cc357
ripemd-160	2ba3ebdb119438fbc679eb6434477d7e43e956a9

13205721 as geometric shapes

Circle

Radius = n

Diameter	26411442
Circumference	82973992.157913
Area	5.4786569534679E+14

Sphere

Radius = n

Volume	9.6466153576277E+21
Surface area	2.1914627813872E+15
Circumference	82973992.157913

Square

Length = n

Perimeter	52822884
Area	174391067129841
Diagonal	18675709.739115

Cube

Length = n

Surface area	1046346402779046
Volume	2.302959777409E+21
Space diagonal	22872979.722579

Equilateral Triangle

Length = n

Perimeter	39617163
Area	75513547163760
Altitude	11436489.86129

Triangular Pyramid

Length = n

Surface area	75513547163760
Volume	2.7140641256762E+20
Height	6225236.5797051