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

21081384 (number)

21081384 is an even 8-digits composite number following 21081383 and preceding 21081385. In scientific notation, it is written as 2.1081384 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 7026912 positive integers (up to 21081384) that are relatively prime to 21081384.

Interesting facts

21081384 has 32 divisors, whose sum is 54657120
The reverse of 21081384 is 48318012
Previous prime number is 27

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million eighty-one thousand three hundred eighty-four

Notation

Scientific notation	2.1081384 × 10^7
Engineering notation	2.1081384 × 10^6

Prime Factorization of 21081384

Prime Factorization 2 × 2 × 2 × 3 × 27 × 32533

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	5270346	Product of the distinct prime numbers

The prime factorization of 21081384 is 2 × 2 × 2 × 3 × 27 × 32533. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 10, 99, 13, 239, 280, 5305, 9041, 47928, 79204, 707644, 4741, 324111, 3605051, 99960616, 63790679, 855092073, 78910857, 7171800983, 6037245352

Basic calculations (n = 21081384)

Multiplication

n×y

n×2	42162768
n×3	63244152
n×4	84325536
n×5	105406920

Division

n÷y

n÷2	10540692
n÷3	7027128
n÷3	5270346
n÷5	4216276.8

Exponentiation

n^y

n²	444424751355456
n³	9.3690888424289E+21
n⁴	1.9751335961736E+29
n⁵	4.1638549792236E+36

Nth Root

^y√n

²√n	4591.4468307931
³√n	276.24835867796
⁴√n	67.76021569323
⁵√n	29.159483280216

Divisors of 21081384

1, 2, 3, 4, 6, 8, 12, 24, 27, 54, 81, 108, 162, 216, 324, 648, 32533, 65066, 97599, 130132, 195198, 260264, 390396, 780792, 878391, 1756782, 2635173, 3513564, 5270346, 7027128, 10540692, 21081384

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21081383	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081384 can be divided by 32 positive divisors. The sum of these divisors (counting 21081384) is 1, the average is 0.03125.

Base conversion 21081384

Base	System	Value
2	Binary	1010000011010110100101000
3	Ternary	1110200001020000
4	Quaternary	1100122310220
5	Quinary	20344101014
6	Senary	2031503000
8	Octal	120326450
10	Decimal	21081384
12	Duodecimal	7087a60
16	Hexadecimal	141ad28
20	Vigesimal	6bf394
36	Base36	cjui0

Cryptographic Hash Functions

md5	e20a8420e7d4b6cf4425e99381075eb0
sha1	d84551cab0fd0a4b5c96e2990395b513554f4e93
sha256	7b21b067626e9b3238f772a5ee4a32df39bf01f451f365840906c65a6398742e
sha512	2a5fd404cd9edb1123b775af341596afebef6b560cb3b95070389b84d3058adc277b447e6c068c995c56519c48f7833b384fdb28bb0e7ec20bd691ab9e7ab92d
ripemd-160	93f4bed001d01520424e71e2ef17e21f470aba79

21081384 as geometric shapes

Circle

Radius = n

Diameter	42162768
Circumference	132458242.20381
Area	1.3962015339318E+15

Sphere

Radius = n

Volume	3.924514757094E+22
Surface area	5.5848061357271E+15
Circumference	132458242.20381

Square

Length = n

Perimeter	84325536
Area	444424751355456
Diagonal	29813579.166395

Cube

Length = n

Surface area	2666548508132736
Volume	9.3690888424289E+21
Space diagonal	36514028.18187

Equilateral Triangle

Length = n

Perimeter	63244152
Area	1.924415623722E+14
Altitude	18257014.090935

Triangular Pyramid

Length = n

Surface area	1.924415623722E+14
Volume	1.1041577090034E+21
Height	9937859.7221317