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

21000565 (number)

21000565 is an odd 8-digits composite number following 21000564 and preceding 21000566. In scientific notation, it is written as 2.1000565 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 16800448 positive integers (up to 21000565) that are relatively prime to 21000565.

Interesting facts

21000565 has 4 divisors, whose sum is 25200684
The reverse of 21000565 is 56500012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty-one million five hundred sixty-five

Notation

Scientific notation	2.1000565 × 10^7
Engineering notation	2.1000565 × 10^6

Prime Factorization of 21000565

Prime Factorization 5 × 4200113

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000565	Product of the distinct prime numbers

The prime factorization of 21000565 is 5 × 4200113. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 20, 27, 233, 431, 9857, 3822, 21720, 24003, 441901, 39555, 4597795, 5572160, 338187, 24456018, 967066327, 962103350, 3662834709, 4504149679

Basic calculations (n = 21000565)

Multiplication

n×y

n×2	42001130
n×3	63001695
n×4	84002260
n×5	105002825

Division

n÷y

n÷2	10500282.5
n÷3	7000188.3333333
n÷3	5250141.25
n÷5	4200113

Exponentiation

n^y

n²	441023730319225
n³	9.2617475151114E+21
n⁴	1.9450193070468E+29
n⁵	4.0846504383892E+36

Nth Root

^y√n

²√n	4582.6373410952
³√n	275.89489188919
⁴√n	67.69517960014
⁵√n	29.137091368532

Divisors of 21000565

1, 5, 4200113, 21000565

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	-21000564	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 21000565 can be divided by 4 positive divisors. The sum of these divisors (counting 21000565) is 1, the average is 0.25.

Base conversion 21000565

Base	System	Value
2	Binary	1010000000111000101110101
3	Ternary	1110111221100201
4	Quaternary	1100013011311
5	Quinary	20334004230
6	Senary	2030040501
8	Octal	120070565
10	Decimal	21000565
12	Duodecimal	7049131
16	Hexadecimal	1407175
20	Vigesimal	6b5185
36	Base36	ci451

Cryptographic Hash Functions

md5	5ae65565979075a27ecc0d4d0bfb21b8
sha1	4ae1dbe63098a44a21fef8c5c2b48f1d1e9c80dd
sha256	5715981b1a33c465c9719d47c941dea7a0791bb8dddbaae9de3e4011044773b9
sha512	2743b7f9df37bba24edf6b08ff39bb3794040a1028c6bccadd2fbee0030e56c82c5f0a51b4328cea2233a072b2cf79ff80d0c38ce62b6f8174f1747446cf70b5
ripemd-160	10f61ffae412fca77e9d37a1cafde55080863f42

21000565 as geometric shapes

Circle

Radius = n

Diameter	42001130
Circumference	131950441.45047
Area	1.3855169112296E+15

Sphere

Radius = n

Volume	3.8795517270503E+22
Surface area	5.5420676449186E+15
Circumference	131950441.45047

Square

Length = n

Perimeter	84002260
Area	441023730319225
Diagonal	29699283.840498

Cube

Length = n

Surface area	2646142381915350
Volume	9.2617475151114E+21
Space diagonal	36374045.567653

Equilateral Triangle

Length = n

Perimeter	63001695
Area	1.9096887706411E+14
Altitude	18187022.783826

Triangular Pyramid

Length = n

Surface area	1.9096887706411E+14
Volume	1.0915074122621E+21
Height	9899761.2801659