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

21081437 (number)

21081437 is an odd 8-digits composite number following 21081436 and preceding 21081438. In scientific notation, it is written as 2.1081437 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 19309680 positive integers (up to 21081437) that are relatively prime to 21081437.

Interesting facts

21081437 has 8 divisors, whose sum is 22878240
The reverse of 21081437 is 73418012
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million eighty-one thousand four hundred thirty-seven

Notation

Scientific notation	2.1081437 × 10^7
Engineering notation	2.1081437 × 10^6

Prime Factorization of 21081437

Prime Factorization 13 × 131 × 12379

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081437	Product of the distinct prime numbers

The prime factorization of 21081437 is 13 × 131 × 12379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 58, 91, 658, 121, 5632, 5827, 49189, 49940, 778131, 748094, 5739133, 5438077, 86233537, 96345251, 129717331, 610298867, 3784393187, 946458948

Basic calculations (n = 21081437)

Multiplication

n×y

n×2	42162874
n×3	63244311
n×4	84325748
n×5	105407185

Division

n÷y

n÷2	10540718.5
n÷3	7027145.6666667
n÷3	5270359.25
n÷5	4216287.4

Exponentiation

n^y

n²	444426985984969
n³	9.369159506142E+21
n⁴	1.9751534587168E+29
n⁵	4.1639073205271E+36

Nth Root

^y√n

²√n	4591.4526023907
³√n	276.24859018001
⁴√n	67.760258281611
⁵√n	29.159497941977

Divisors of 21081437

1, 13, 131, 1703, 12379, 160927, 1621649, 21081437

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	-21081436	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 21081437 can be divided by 8 positive divisors. The sum of these divisors (counting 21081437) is 1, the average is 0.125.

Base conversion 21081437

Base	System	Value
2	Binary	1010000011010110101011101
3	Ternary	1110200001021222
4	Quaternary	1100122311131
5	Quinary	20344101222
6	Senary	2031503125
8	Octal	120326535
10	Decimal	21081437
12	Duodecimal	7087aa5
16	Hexadecimal	141ad5d
20	Vigesimal	6bf3bh
36	Base36	cjujh

Cryptographic Hash Functions

md5	31134f06f99b3f2bd395f5ad2e63f1fd
sha1	c8162cb97c67a2b9569cb893bcce19b0fd276fa3
sha256	e15f86340ba63439ca0f180309be62d2d7fedcf1f3ce2bcea24db26e220d12e2
sha512	dc878c5fc4ce682989b169c0962f78f69443b08cb39942905cef7d34d8e2d0bbcf8588a430f4ddcb10390e3bea27cf5a95a619d34654b6728d8d0c31a144aadc
ripemd-160	75c3eae79f8b435e54b7b76f12a81aa8833ab1ee

21081437 as geometric shapes

Circle

Radius = n

Diameter	42162874
Circumference	132458575.21263
Area	1.3962085542274E+15

Sphere

Radius = n

Volume	3.9245443566409E+22
Surface area	5.5848342169097E+15
Circumference	132458575.21263

Square

Length = n

Perimeter	84325748
Area	444426985984969
Diagonal	29813654.119714

Cube

Length = n

Surface area	2666561915909814
Volume	9.369159506142E+21
Space diagonal	36514119.980562

Equilateral Triangle

Length = n

Perimeter	63244311
Area	1.9244252999517E+14
Altitude	18257059.990281

Triangular Pyramid

Length = n

Surface area	1.9244252999517E+14
Volume	1.1041660368019E+21
Height	9937884.7065713