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

21000442 (number)

21000442 is an even 8-digits composite number following 21000441 and preceding 21000443. In scientific notation, it is written as 2.1000442 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 10483200 positive integers (up to 21000442) that are relatively prime to 21000442.

Interesting facts

21000442 has 8 divisors, whose sum is 31551732
The reverse of 21000442 is 24400012
Previous prime number is 641

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4

Name

Name	twenty-one million four hundred forty-two

Notation

Scientific notation	2.1000442 × 10^7
Engineering notation	2.1000442 × 10^6

Prime Factorization of 21000442

Prime Factorization 2 × 641 × 16381

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000442	Product of the distinct prime numbers

The prime factorization of 21000442 is 2 × 641 × 16381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 91, 99, 878, 705, 1905, 3506, 41968, 68834, 478199, 88149, 2456495, 5091540, 88573924, 32536296, 102410092, 68780477, 6108528459, 7941363919

Basic calculations (n = 21000442)

Multiplication

n×y

n×2	42000884
n×3	63001326
n×4	84001768
n×5	105002210

Division

n÷y

n÷2	10500221
n÷3	7000147.3333333
n÷3	5250110.5
n÷5	4200088.4

Exponentiation

n^y

n²	441018564195364
n³	9.261584778308E+21
n⁴	1.9449737396494E+29
n⁵	4.084530821103E+36

Nth Root

^y√n

²√n	4582.6239208558
³√n	275.8943532507
⁴√n	67.695080477505
⁵√n	29.137057237349

Divisors of 21000442

1, 2, 641, 1282, 16381, 32762, 10500221, 21000442

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	-21000441	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 21000442 can be divided by 8 positive divisors. The sum of these divisors (counting 21000442) is 1, the average is 0.125.

Base conversion 21000442

Base	System	Value
2	Binary	1010000000111000011111010
3	Ternary	1110111221012011
4	Quaternary	1100013003322
5	Quinary	20334003232
6	Senary	2030040134
8	Octal	120070372
10	Decimal	21000442
12	Duodecimal	704904a
16	Hexadecimal	14070fa
20	Vigesimal	6b5122
36	Base36	ci41m

Cryptographic Hash Functions

md5	1dc58e5784dc5b0dcca48fdf6d3e6b02
sha1	210e8e82463a37436fcf421ac8cb514dbfcc3b9e
sha256	c969f6d00264cd999a968871063b1a3528657b9204109b91d321ac3e7bd547cf
sha512	8728577b742bf3be81b51992c61cf542f35ec775faa384455b209583785e65e271f0f8b2b2d7c886ba22330780c3fa9586fc14cab2a2683204d11f20749cf40d
ripemd-160	282f2f874542eda6b7ea5f2e6ee88a5312fcbf12

21000442 as geometric shapes

Circle

Radius = n

Diameter	42000884
Circumference	131949668.61868
Area	1.3855006813729E+15

Sphere

Radius = n

Volume	3.8794835600175E+22
Surface area	5.5420027254915E+15
Circumference	131949668.61868

Square

Length = n

Perimeter	84001768
Area	441018564195364
Diagonal	29699109.89223

Cube

Length = n

Surface area	2646111385172184
Volume	9.261584778308E+21
Space diagonal	36373832.525403

Equilateral Triangle

Length = n

Perimeter	63001326
Area	1.9096664006686E+14
Altitude	18186916.262702

Triangular Pyramid

Length = n

Surface area	1.9096664006686E+14
Volume	1.091488233546E+21
Height	9899703.2974099