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

21081436 (number)

21081436 is an even 8-digits composite number following 21081435 and preceding 21081437. In scientific notation, it is written as 2.1081436 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10540716 positive integers (up to 21081436) that are relatively prime to 21081436.

Interesting facts

21081436 has 6 divisors, whose sum is 36892520
The reverse of 21081436 is 63418012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million eighty-one thousand four hundred thirty-six

Notation

Scientific notation	2.1081436 × 10^7
Engineering notation	2.1081436 × 10^6

Prime Factorization of 21081436

Prime Factorization 2 × 2 × 5270359

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10540718	Product of the distinct prime numbers

The prime factorization of 21081436 is 2 × 2 × 5270359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 88, 76, 663, 289, 6775, 2084, 18528, 9239, 949446, 975115, 9135258, 742981, 58459566, 76838589, 955088238, 126174000, 3717988069, 9106617263

Basic calculations (n = 21081436)

Multiplication

n×y

n×2	42162872
n×3	63244308
n×4	84325744
n×5	105407180

Division

n÷y

n÷2	10540718
n÷3	7027145.3333333
n÷3	5270359
n÷5	4216287.2

Exponentiation

n^y

n²	444426943822096
n³	9.3691581728611E+21
n⁴	1.9751530839505E+29
n⁵	4.1639063329505E+36

Nth Root

^y√n

²√n	4591.4524934927
³√n	276.24858581205
⁴√n	67.760257478058
⁵√n	29.15949766534

Divisors of 21081436

1, 2, 4, 5270359, 10540718, 21081436

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	-21081435	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 21081436 can be divided by 6 positive divisors. The sum of these divisors (counting 21081436) is 1, the average is 0.16666666666667.

Base conversion 21081436

Base	System	Value
2	Binary	1010000011010110101011100
3	Ternary	1110200001021221
4	Quaternary	1100122311130
5	Quinary	20344101221
6	Senary	2031503124
8	Octal	120326534
10	Decimal	21081436
12	Duodecimal	7087aa4
16	Hexadecimal	141ad5c
20	Vigesimal	6bf3bg
36	Base36	cjujg

Cryptographic Hash Functions

md5	19ff4cf6e82c9dac2c4074fa8b991d7c
sha1	b11c588be86b5ec495f990106525e9a70b1d4745
sha256	46082c58126b597a47f8a719ecdf39ddd5e88ac5a16ff222de7c9927c5aede20
sha512	91dc3c666e6c030ce5d6f01e3659c2609d4db6df9f33551977ce725f4234f1c0cc2ab153925563f6e2323fe94a1223b1fb891a695605aa7606f215bcb86c1d0e
ripemd-160	42787a16815d29075ac07dc558dd227917b5dff0

21081436 as geometric shapes

Circle

Radius = n

Diameter	42162872
Circumference	132458568.92945
Area	1.3962084217689E+15

Sphere

Radius = n

Volume	3.9245437981575E+22
Surface area	5.5848336870754E+15
Circumference	132458568.92945

Square

Length = n

Perimeter	84325744
Area	444426943822096
Diagonal	29813652.7055

Cube

Length = n

Surface area	2666561662932576
Volume	9.3691581728611E+21
Space diagonal	36514118.248512

Equilateral Triangle

Length = n

Perimeter	63244308
Area	1.9244251173811E+14
Altitude	18257059.124256

Triangular Pyramid

Length = n

Surface area	1.9244251173811E+14
Volume	1.1041658796732E+21
Height	9937884.2351668