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

21381566 (number)

21381566 is an even 8-digits composite number following 21381565 and preceding 21381567. In scientific notation, it is written as 2.1381566 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10690782 positive integers (up to 21381566) that are relatively prime to 21381566.

Interesting facts

21381566 has 4 divisors, whose sum is 32072352
The reverse of 21381566 is 66518312
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million three hundred eighty-one thousand five hundred sixty-six

Notation

Scientific notation	2.1381566 × 10^7
Engineering notation	2.1381566 × 10^6

Prime Factorization of 21381566

Prime Factorization 2 × 10690783

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21381566	Product of the distinct prime numbers

The prime factorization of 21381566 is 2 × 10690783. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 47, 51, 249, 266, 3819, 292, 65263, 29285, 163077, 29435, 275061, 3814831, 36453279, 3334601, 624018976, 223079701, 9102622857, 7820833301

Basic calculations (n = 21381566)

Multiplication

n×y

n×2	42763132
n×3	64144698
n×4	85526264
n×5	106907830

Division

n÷y

n÷2	10690783
n÷3	7127188.6666667
n÷3	5345391.5
n÷5	4276313.2

Exponentiation

n^y

n²	457171364612356
n³	9.7750397057692E+21
n⁴	2.0900565662152E+29
n⁵	4.4688682414264E+36

Nth Root

^y√n

²√n	4624.0205449371
³√n	277.55336906063
⁴√n	68.000151065546
⁵√n	29.242055834301

Divisors of 21381566

1, 2, 10690783, 21381566

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	-21381565	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 21381566 can be divided by 4 positive divisors. The sum of these divisors (counting 21381566) is 1, the average is 0.25.

Base conversion 21381566

Base	System	Value
2	Binary	1010001100100000110111110
3	Ternary	1111020021222212
4	Quaternary	1101210012332
5	Quinary	20433202231
6	Senary	2042140422
8	Octal	121440676
10	Decimal	21381566
12	Duodecimal	71b1712
16	Hexadecimal	14641be
20	Vigesimal	6dcdi6
36	Base36	cqa4e

Cryptographic Hash Functions

md5	3533170c219f96592e733a5823ed680f
sha1	9a272285c86924407bfb7b9e13415efb54c0b1bc
sha256	4655b04fe68a360799240c3db8a9def8f288d3ab50214ed1060ceb4053b4433f
sha512	1abfb9ac3e84caab3db05775e57eeef7410058540a125dd27cc8523ac930b543545498efe12f4bd015daaae759062290099009ec14c3f47f35a61549e7fa79ce
ripemd-160	bec1c8c6fda56c0ffd5e4ccc31a19c322108e832

21381566 as geometric shapes

Circle

Radius = n

Diameter	42763132
Circumference	134344341.33569
Area	1.4362462004978E+15

Sphere

Radius = n

Volume	4.0945590570924E+22
Surface area	5.7449848019912E+15
Circumference	134344341.33569

Square

Length = n

Perimeter	85526264
Area	457171364612356
Diagonal	30238100.621975

Cube

Length = n

Surface area	2743028187674136
Volume	9.7750397057692E+21
Space diagonal	37033958.657387

Equilateral Triangle

Length = n

Perimeter	64144698
Area	1.9796100781855E+14
Altitude	18516979.328694

Triangular Pyramid

Length = n

Surface area	1.9796100781855E+14
Volume	1.1519994770529E+21
Height	10079366.873992