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

21081382 (number)

21081382 is an even 8-digits composite number following 21081381 and preceding 21081383. In scientific notation, it is written as 2.1081382 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 9034872 positive integers (up to 21081382) that are relatively prime to 21081382.

Interesting facts

21081382 has 8 divisors, whose sum is 36139536
The reverse of 21081382 is 28318012
Previous prime number is 7

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 three hundred eighty-two

Notation

Scientific notation	2.1081382 × 10^7
Engineering notation	2.1081382 × 10^6

Prime Factorization of 21081382

Prime Factorization 2 × 7 × 1505813

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081382	Product of the distinct prime numbers

The prime factorization of 21081382 is 2 × 7 × 1505813. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 63, 76, 126, 781, 4452, 6693, 54622, 81871, 727051, 465696, 5142401, 3101716, 59063368, 13134727, 11426079, 978495746, 3321444813, 1316083811

Basic calculations (n = 21081382)

Multiplication

n×y

n×2	42162764
n×3	63244146
n×4	84325528
n×5	105406910

Division

n÷y

n÷2	10540691
n÷3	7027127.3333333
n÷3	5270345.5
n÷5	4216276.4

Exponentiation

n^y

n²	444424667029924
n³	9.3690861758806E+21
n⁴	1.9751328466466E+29
n⁵	4.1638530040904E+36

Nth Root

^y√n

²√n	4591.4466129968
³√n	276.24834994203
⁴√n	67.76021408612
⁵√n	29.159482726941

Divisors of 21081382

1, 2, 7, 14, 1505813, 3011626, 10540691, 21081382

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	-21081381	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 21081382 can be divided by 8 positive divisors. The sum of these divisors (counting 21081382) is 1, the average is 0.125.

Base conversion 21081382

Base	System	Value
2	Binary	1010000011010110100100110
3	Ternary	1110200001012221
4	Quaternary	1100122310212
5	Quinary	20344101012
6	Senary	2031502554
8	Octal	120326446
10	Decimal	21081382
12	Duodecimal	7087a5a
16	Hexadecimal	141ad26
20	Vigesimal	6bf392
36	Base36	cjuhy

Cryptographic Hash Functions

md5	1c0ca8ccd8aed99a11990f82d24bc024
sha1	959755e2dec90b2c8e41dfdbf6d99bd0e02c87f1
sha256	4f728f10f3f79500689b8350bbd057965b75f69f83074d76a24197e82fc4633b
sha512	59339faab949c1afcf6437b8ce71722ef73fbaef3d873c288959f9dff10f61e5e6869859c86af62b607f333ec8088d01c182087bee3778218ba9fb36328075ca
ripemd-160	96b310afb412ab79fc9432f59571cba207b7b767

21081382 as geometric shapes

Circle

Radius = n

Diameter	42162764
Circumference	132458229.63744
Area	1.3962012690153E+15

Sphere

Radius = n

Volume	3.9245136401328E+22
Surface area	5.5848050760612E+15
Circumference	132458229.63744

Square

Length = n

Perimeter	84325528
Area	444424667029924
Diagonal	29813576.337968

Cube

Length = n

Surface area	2666548002179544
Volume	9.3690861758806E+21
Space diagonal	36514024.717768

Equilateral Triangle

Length = n

Perimeter	63244146
Area	1.9244152585818E+14
Altitude	18257012.358884

Triangular Pyramid

Length = n

Surface area	1.9244152585818E+14
Volume	1.1041573947477E+21
Height	9937858.7793227