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

21005613 (number)

21005613 is an odd 8-digits composite number following 21005612 and preceding 21005614. In scientific notation, it is written as 2.1005613 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 14003736 positive integers (up to 21005613) that are relatively prime to 21005613.

Interesting facts

21005613 has 6 divisors, whose sum is 30341454
The reverse of 21005613 is 31650012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty-one million five thousand six hundred thirteen

Notation

Scientific notation	2.1005613 × 10^7
Engineering notation	2.1005613 × 10^6

Prime Factorization of 21005613

Prime Factorization 3 × 3 × 2333957

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	7001871	Product of the distinct prime numbers

The prime factorization of 21005613 is 3 × 3 × 2333957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 35, 51, 985, 231, 7278, 9200, 30698, 28014, 191399, 757949, 1660001, 4176493, 62627888, 25261482, 498473193, 662457782, 4706402638, 5214047919

Basic calculations (n = 21005613)

Multiplication

n×y

n×2	42011226
n×3	63016839
n×4	84022452
n×5	105028065

Division

n÷y

n÷2	10502806.5
n÷3	7001871
n÷3	5251403.25
n÷5	4201122.6

Exponentiation

n^y

n²	441235777505769
n³	9.2684279840403E+21
n⁴	1.9468901135112E+29
n⁵	4.0895620277942E+36

Nth Root

^y√n

²√n	4583.1880825469
³√n	275.91699614905
⁴√n	67.699247281982
⁵√n	29.138491996536

Divisors of 21005613

1, 3, 9, 2333957, 7001871, 21005613

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21005612	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21005613 can be divided by 6 positive divisors. The sum of these divisors (counting 21005613) is 1, the average is 0.16666666666667.

Base conversion 21005613

Base	System	Value
2	Binary	1010000001000010100101101
3	Ternary	1110112012021200
4	Quaternary	1100020110231
5	Quinary	20334134423
6	Senary	2030120113
8	Octal	120102455
10	Decimal	21005613
12	Duodecimal	7050039
16	Hexadecimal	140852d
20	Vigesimal	6b5e0d
36	Base36	ci819

Cryptographic Hash Functions

md5	b0e018eb1192732c1488c1fe7a30cf55
sha1	5e54ade48c869b7aa97bcc12a6eaa69937c25b55
sha256	8e50f5a62a2b0022b4265df6d0f3047b4ac9a6b129abad86eb630d346ca72958
sha512	a0a1b0e09b4bb2dcce97cd7af964dc59697120cd3ce2c88cafff88efc2bc79395a19b2f6a79d932eb9ccb18504436f23ff07a3d2fa237b09359727dbbe442df5
ripemd-160	7c86d8a8758021fcc453963121da385d2fe15d56

21005613 as geometric shapes

Circle

Radius = n

Diameter	42011226
Circumference	131982158.9699
Area	1.3861830771131E+15

Sphere

Radius = n

Volume	3.8823500353316E+22
Surface area	5.5447323084524E+15
Circumference	131982158.9699

Square

Length = n

Perimeter	84022452
Area	441235777505769
Diagonal	29706422.790561

Cube

Length = n

Surface area	2647414665034614
Volume	9.2684279840403E+21
Space diagonal	36382788.960129

Equilateral Triangle

Length = n

Perimeter	63016839
Area	1.9106069618929E+14
Altitude	18191394.480065

Triangular Pyramid

Length = n

Surface area	1.9106069618929E+14
Volume	1.0922947130757E+21
Height	9902140.9301869