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

21509213 (number)

21509213 is an odd 8-digits composite number following 21509212 and preceding 21509214. In scientific notation, it is written as 2.1509213 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18879280 positive integers (up to 21509213) that are relatively prime to 21509213.

Interesting facts

21509213 has 8 divisors, whose sum is 24274080
The reverse of 21509213 is 31290512
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.1509213 × 10^7
Engineering notation	2.1509213 × 10^6

Prime Factorization of 21509213

Prime Factorization 29 × 11 × 67427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21509213	Product of the distinct prime numbers

The prime factorization of 21509213 is 29 × 11 × 67427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 72, 84, 405, 1000, 2336, 3592, 45245, 29392, 298680, 243949, 4105458, 7133579, 75515377, 38785915, 4641430, 658705282, 2357952809, 9680723457

Basic calculations (n = 21509213)

Multiplication

n×y

n×2	43018426
n×3	64527639
n×4	86036852
n×5	107546065

Division

n÷y

n÷2	10754606.5
n÷3	7169737.6666667
n÷3	5377303.25
n÷5	4301842.6

Exponentiation

n^y

n²	462646243879369
n³	9.9511566032513E+21
n⁴	2.1404154697569E+29
n⁵	4.6038652247496E+36

Nth Root

^y√n

²√n	4637.8026046825
³√n	278.10460066686
⁴√n	68.101414116614
⁵√n	29.276887510978

Divisors of 21509213

1, 11, 29, 319, 67427, 741697, 1955383, 21509213

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	-21509212	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 21509213 can be divided by 8 positive divisors. The sum of these divisors (counting 21509213) is 1, the average is 0.125.

Base conversion 21509213

Base	System	Value
2	Binary	1010010000011010001011101
3	Ternary	1111110210002112
4	Quaternary	1102003101131
5	Quinary	21001243323
6	Senary	2045003405
8	Octal	122032135
10	Decimal	21509213
12	Duodecimal	7253565
16	Hexadecimal	148345d
20	Vigesimal	6e8d0d
36	Base36	ct0m5

Cryptographic Hash Functions

md5	71bbc765542d47095df745056ac21045
sha1	1f5f0caf65cbb8129badd7017fc91beb400d34fc
sha256	4f077654118751539abc04c6333e4aaa5e030ee5f25922cfcb3314e686d41069
sha512	fb31a294cad52849d5c5da93a770b7d33eb2df07fee371f2a7ce99a6a431dcc40b226bf4c331c90d4682d0e9875937d64ae4fe9c17ded7c468b9b457b304b202
ripemd-160	7ff6e434fdfd94cb7bffe60b29e5ece21dafe873

21509213 as geometric shapes

Circle

Radius = n

Diameter	43018426
Circumference	135146371.0906
Area	1.4534460409823E+15

Sphere

Radius = n

Volume	4.1683307305994E+22
Surface area	5.8137841639294E+15
Circumference	135146371.0906

Square

Length = n

Perimeter	86036852
Area	462646243879369
Diagonal	30418620.740572

Cube

Length = n

Surface area	2775877463276214
Volume	9.9511566032513E+21
Space diagonal	37255049.746821

Equilateral Triangle

Length = n

Perimeter	64527639
Area	2.0033170008249E+14
Altitude	18627524.87341

Triangular Pyramid

Length = n

Surface area	2.0033170008249E+14
Volume	1.172755052468E+21
Height	10139540.246857