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

21081837 (number)

21081837 is an odd 8-digits composite number following 21081836 and preceding 21081838. In scientific notation, it is written as 2.1081837 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12046752 positive integers (up to 21081837) that are relatively prime to 21081837.

Interesting facts

21081837 has 8 divisors, whose sum is 32124736
The reverse of 21081837 is 73818012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1081837 × 10^7
Engineering notation	2.1081837 × 10^6

Prime Factorization of 21081837

Prime Factorization 3 × 7 × 1003897

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081837	Product of the distinct prime numbers

The prime factorization of 21081837 is 3 × 7 × 1003897. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 34, 9, 513, 543, 1604, 1278, 82838, 85076, 305978, 969572, 9401643, 7007207, 50997542, 18471093, 900041836, 80238198, 806056055, 5881377921

Basic calculations (n = 21081837)

Multiplication

n×y

n×2	42163674
n×3	63245511
n×4	84327348
n×5	105409185

Division

n÷y

n÷2	10540918.5
n÷3	7027279
n÷3	5270459.25
n÷5	4216367.4

Exponentiation

n^y

n²	444443851294569
n³	9.3696928286443E+21
n⁴	1.9753033695355E+29
n⁵	4.1643023662098E+36

Nth Root

^y√n

²√n	4591.4961613836
³√n	276.25033735277
⁴√n	67.760579700764
⁵√n	29.159608595825

Divisors of 21081837

1, 3, 7, 21, 1003897, 3011691, 7027279, 21081837

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	-21081836	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 21081837 can be divided by 8 positive divisors. The sum of these divisors (counting 21081837) is 1, the average is 0.125.

Base conversion 21081837

Base	System	Value
2	Binary	1010000011010111011101101
3	Ternary	1110200001211210
4	Quaternary	1100122323231
5	Quinary	20344104322
6	Senary	2031505033
8	Octal	120327355
10	Decimal	21081837
12	Duodecimal	7088179
16	Hexadecimal	141aeed
20	Vigesimal	6bf4bh
36	Base36	cjuul

Cryptographic Hash Functions

md5	f3a0ec1f4a81fc84eb7bedc48b780772
sha1	34d714f5720fb41f6d0be26ac9ff8049dd273e97
sha256	c09c2291beba197ab7760ccc4bd3a5fe7219d3e5d3d4e6e6cf85237883e770ae
sha512	c7ef63b51f2bb5bdaef9766396701cb33ca3bfd155056bb29a6475cf7579ea6b587095b451b891f7ff13aa13f90ff1e34ee52e89e1f9cc3e66dd0f3e3062a7a7
ripemd-160	d414ab12da7d8f47b09a0ff0d8bdbb95b26dcdc1

21081837 as geometric shapes

Circle

Radius = n

Diameter	42163674
Circumference	132461088.48675
Area	1.3962615381602E+15

Sphere

Radius = n

Volume	3.9247677542483E+22
Surface area	5.5850461526407E+15
Circumference	132461088.48675

Square

Length = n

Perimeter	84327348
Area	444443851294569
Diagonal	29814219.805139

Cube

Length = n

Surface area	2666663107767414
Volume	9.3696928286443E+21
Space diagonal	36514812.800885

Equilateral Triangle

Length = n

Perimeter	63245511
Area	1.9244983288845E+14
Altitude	18257406.400443

Triangular Pyramid

Length = n

Surface area	1.9244983288845E+14
Volume	1.1042288894616E+21
Height	9938073.2683796