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

21031642 (number)

21031642 is an even 8-digits composite number following 21031641 and preceding 21031643. In scientific notation, it is written as 2.1031642 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 10515820 positive integers (up to 21031642) that are relatively prime to 21031642.

Interesting facts

21031642 has 4 divisors, whose sum is 31547466
The reverse of 21031642 is 24613012
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million thirty-one thousand six hundred forty-two

Notation

Scientific notation	2.1031642 × 10^7
Engineering notation	2.1031642 × 10^6

Prime Factorization of 21031642

Prime Factorization 2 × 10515821

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031642	Product of the distinct prime numbers

The prime factorization of 21031642 is 2 × 10515821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 73, 63, 761, 348, 3494, 7460, 66445, 56017, 116678, 729670, 777502, 1503214, 8013656, 30233947, 479430100, 125730524, 1985730809, 1668800145

Basic calculations (n = 21031642)

Multiplication

n×y

n×2	42063284
n×3	63094926
n×4	84126568
n×5	105158210

Division

n÷y

n÷2	10515821
n÷3	7010547.3333333
n÷3	5257910.5
n÷5	4206328.4

Exponentiation

n^y

n²	442329965216164
n³	9.3029254742988E+21
n⁴	1.9565579812813E+29
n⁵	4.1149627014552E+36

Nth Root

^y√n

²√n	4586.0268206804
³√n	276.03091616152
⁴√n	67.720209839312
⁵√n	29.145709783112

Divisors of 21031642

1, 2, 10515821, 21031642

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	-21031641	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 21031642 can be divided by 4 positive divisors. The sum of these divisors (counting 21031642) is 1, the average is 0.25.

Base conversion 21031642

Base	System	Value
2	Binary	1010000001110101011011010
3	Ternary	1110120111222201
4	Quaternary	1100032223122
5	Quinary	20341003032
6	Senary	2030440414
8	Octal	120165332
10	Decimal	21031642
12	Duodecimal	706310a
16	Hexadecimal	140eada
20	Vigesimal	6b8j22
36	Base36	cis4a

Cryptographic Hash Functions

md5	38cd1d768b8282eb0e283f772e6990ea
sha1	be136ddbf4070b391247cc7669923d58cde3aa8a
sha256	3807d01fdfaeb26efae0036ce56b9360b06b3722cff5a4f1223358baa61450f8
sha512	323f92917093b3ffd17c1cfbebe8810603c012e19664b7a078dbb2cac1cba7243f6f67adcad310dbd8162a0a4358160f437890a3bac6505c1aaa6958174cd5c7
ripemd-160	32e3c6fe0dd248917b72758b22b58778af0cc393

21031642 as geometric shapes

Circle

Radius = n

Diameter	42063284
Circumference	132145704.00026
Area	1.3896205691857E+15

Sphere

Radius = n

Volume	3.8968003102601E+22
Surface area	5.5584822767429E+15
Circumference	132145704.00026

Square

Length = n

Perimeter	84126568
Area	442329965216164
Diagonal	29743233.355376

Cube

Length = n

Surface area	2653979791296984
Volume	9.3029254742988E+21
Space diagonal	36427872.5106

Equilateral Triangle

Length = n

Perimeter	63094926
Area	1.9153449336614E+14
Altitude	18213936.2553

Triangular Pyramid

Length = n

Surface area	1.9153449336614E+14
Volume	1.0963602812916E+21
Height	9914411.1184585