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

21243844 (number)

21243844 is an even 8-digits composite number following 21243843 and preceding 21243845. In scientific notation, it is written as 2.1243844 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 10621920 positive integers (up to 21243844) that are relatively prime to 21243844.

Interesting facts

21243844 has 6 divisors, whose sum is 37176734
The reverse of 21243844 is 44834212
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million two hundred forty-three thousand eight hundred forty-four

Notation

Scientific notation	2.1243844 × 10^7
Engineering notation	2.1243844 × 10^6

Prime Factorization of 21243844

Prime Factorization 2 × 2 × 5310961

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10621922	Product of the distinct prime numbers

The prime factorization of 21243844 is 2 × 2 × 5310961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 53, 78, 290, 269, 7686, 7572, 83025, 28911, 732623, 14179, 8488304, 3466402, 20039936, 30877321, 588157358, 126932942, 8418059041, 4552731855

Basic calculations (n = 21243844)

Multiplication

n×y

n×2	42487688
n×3	63731532
n×4	84975376
n×5	106219220

Division

n÷y

n÷2	10621922
n÷3	7081281.3333333
n÷3	5310961
n÷5	4248768.8

Exponentiation

n^y

n²	451300907896336
n³	9.5873660844081E+21
n⁴	2.0367250946806E+29
n⁵	4.3267870182279E+36

Nth Root

^y√n

²√n	4609.1044683322
³√n	276.956163481
⁴√n	67.890385684073
⁵√n	29.204287872714

Divisors of 21243844

1, 2, 4, 5310961, 10621922, 21243844

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	-21243843	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 21243844 can be divided by 6 positive divisors. The sum of these divisors (counting 21243844) is 1, the average is 0.16666666666667.

Base conversion 21243844

Base	System	Value
2	Binary	1010001000010011111000100
3	Ternary	1110222022002001
4	Quaternary	1101002133010
5	Quinary	20414300334
6	Senary	2035155044
8	Octal	121023704
10	Decimal	21243844
12	Duodecimal	7145a84
16	Hexadecimal	14427c4
20	Vigesimal	6cf9c4
36	Base36	cnbus

Cryptographic Hash Functions

md5	c229eb8af7aa4d43b96d89e2d24cb60a
sha1	79f795ce65c9ec2c82c604f21e4fedb7d02f014f
sha256	087945c7ee712789f81b7489e1d112c668ff33b97b974716b5262def89b15326
sha512	b16edf6a8cd10efe882c10f097388961162b1878b3facd075a6d1724c463f8eb852426079a4a40b0e34d730fda578e1cd92a7e1de6c8fffbfcd02a6d3710542e
ripemd-160	9cf77bbc498165539789889c8200f2a87e78caf2

21243844 as geometric shapes

Circle

Radius = n

Diameter	42487688
Circumference	133479008.48882
Area	1.4178036168055E+15

Sphere

Radius = n

Volume	4.015946514407E+22
Surface area	5.6712144672221E+15
Circumference	133479008.48882

Square

Length = n

Perimeter	84975376
Area	451300907896336
Diagonal	30043332.301738

Cube

Length = n

Surface area	2707805447378016
Volume	9.5873660844081E+21
Space diagonal	36795417.156067

Equilateral Triangle

Length = n

Perimeter	63731532
Area	1.954190254946E+14
Altitude	18397708.578034

Triangular Pyramid

Length = n

Surface area	1.954190254946E+14
Volume	1.1298819286672E+21
Height	10014444.100579