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

21306521 (number)

21306521 is an odd 8-digits composite number following 21306520 and preceding 21306522. In scientific notation, it is written as 2.1306521 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21238992 positive integers (up to 21306521) that are relatively prime to 21306521.

Interesting facts

21306521 has 4 divisors, whose sum is 21374052
The reverse of 21306521 is 12560312
Previous prime number is 317

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 six thousand five hundred twenty-one

Notation

Scientific notation	2.1306521 × 10^7
Engineering notation	2.1306521 × 10^6

Prime Factorization of 21306521

Prime Factorization 317 × 67213

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21306521	Product of the distinct prime numbers

The prime factorization of 21306521 is 317 × 67213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 28, 32, 52, 246, 9558, 4444, 20458, 344, 641464, 233497, 2342512, 5749304, 31320527, 99219479, 811207220, 98082633, 9523132597, 3708986506

Basic calculations (n = 21306521)

Multiplication

n×y

n×2	42613042
n×3	63919563
n×4	85226084
n×5	106532605

Division

n÷y

n÷2	10653260.5
n÷3	7102173.6666667
n÷3	5326630.25
n÷5	4261304.2

Exponentiation

n^y

n²	453967837123441
n³	9.6724752549952E+21
n⁴	2.0608679714254E+29
n⁵	4.3909926711402E+36

Nth Root

^y√n

²√n	4615.898720726
³√n	277.22826956862
⁴√n	67.940405656178
⁵√n	29.221500207612

Divisors of 21306521

1, 317, 67213, 21306521

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	-21306520	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 21306521 can be divided by 4 positive divisors. The sum of these divisors (counting 21306521) is 1, the average is 0.25.

Base conversion 21306521

Base	System	Value
2	Binary	1010001010001110010011001
3	Ternary	1111002111001102
4	Quaternary	1101101302121
5	Quinary	20423302041
6	Senary	2040401145
8	Octal	121216231
10	Decimal	21306521
12	Duodecimal	71761b5
16	Hexadecimal	1451c99
20	Vigesimal	6d3661
36	Base36	coo7t

Cryptographic Hash Functions

md5	313829d837c31ae3efd072ebc9eabc93
sha1	d3f78459e952c72a4f0ba64c7e81f68b4853573e
sha256	9ef04b5e38f1f7643c4158e8c12526dfa37666e4e5d7a75cac5b383ecd71af71
sha512	c60dec8b385e05eaf29e0499ef1d463ae5a949a40f96aa2e1fa778d93176eef809f42b1e673611f546266a63220edd4c321407f122cb80fa73b4c17e0bd0edde
ripemd-160	e3ae33bc9d020f42fae8e6d841a51d635cba8781

21306521 as geometric shapes

Circle

Radius = n

Diameter	42613042
Circumference	133872819.69431
Area	1.426182022073E+15

Sphere

Radius = n

Volume	4.0515969604163E+22
Surface area	5.7047280882922E+15
Circumference	133872819.69431

Square

Length = n

Perimeter	85226084
Area	453967837123441
Diagonal	30131970.965187

Cube

Length = n

Surface area	2723807022740646
Volume	9.6724752549952E+21
Space diagonal	36903976.904533

Equilateral Triangle

Length = n

Perimeter	63919563
Area	1.9657383972499E+14
Altitude	18451988.452267

Triangular Pyramid

Length = n

Surface area	1.9657383972499E+14
Volume	1.139912140611E+21
Height	10043990.321729