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

21081211 (number)

21081211 is an odd 8-digits prime number following 21081210 and preceding 21081212. In scientific notation, it is written as 2.1081211 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 21081210 positive integers (up to 21081211) that are relatively prime to 21081211.

Interesting facts

21081211 has 2 divisors, whose sum is 21081212
The reverse of 21081211 is 11218012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million eighty-one thousand two hundred eleven

Notation

Scientific notation	2.1081211 × 10^7
Engineering notation	2.1081211 × 10^6

Prime Factorization of 21081211

Prime Factorization 21081211

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21081211	Product of the distinct prime numbers

The prime factorization of 21081211 is 21081211. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 1, 73, 99, 290, 407, 4347, 4345, 19924, 81400, 406241, 145635, 4170528, 3036550, 28112486, 37640632, 537729905, 285431166, 7200531046, 7068895773

Basic calculations (n = 21081211)

Multiplication

n×y

n×2	42162422
n×3	63243633
n×4	84324844
n×5	105406055

Division

n÷y

n÷2	10540605.5
n÷3	7027070.3333333
n÷3	5270302.75
n÷5	4216242.2

Exponentiation

n^y

n²	444417457226521
n³	9.3688581878758E+21
n⁴	1.9750687628769E+29
n⁵	4.1636841329716E+36

Nth Root

^y√n

²√n	4591.427991377
³√n	276.24760301763
⁴√n	67.760076677768
⁵√n	29.15943542181

Divisors of 21081211

1, 21081211

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21081212	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10540606	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4591.4281002756	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999051288	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081211 can be divided by 2 positive divisors. The sum of these divisors (counting 21081211) is 21081212, the average is 10540606.

Base conversion 21081211

Base	System	Value
2	Binary	1010000011010110001111011
3	Ternary	1110200000222121
4	Quaternary	1100122301323
5	Quinary	20344044321
6	Senary	2031502111
8	Octal	120326173
10	Decimal	21081211
12	Duodecimal	7087937
16	Hexadecimal	141ac7b
20	Vigesimal	6bf30b
36	Base36	cjud7

Cryptographic Hash Functions

md5	7a3f320826eacd2f5497089a7114e633
sha1	a0885fa4d2585fcdaf98cfa17ba7a33733c53398
sha256	0f93f9c2d0761bb6b01ba6e212421ce9fcea0d9ba90953913125107af29365dd
sha512	17dc69cc26e61be4ded36650e6ad3d0de0b4f14b825f15022ecf5a6eaabc3281a7a0443a2eed287d43455c1dee78e62a2c73f843ba392ac07f648a155c579ec1
ripemd-160	8ce9b712d2da8ea09585ab579e5465cbb68a5e89

21081211 as geometric shapes

Circle

Radius = n

Diameter	42162422
Circumference	132457155.21275
Area	1.3961786187499E+15

Sphere

Radius = n

Volume	3.9244181407407E+22
Surface area	5.5847144749996E+15
Circumference	132457155.21275

Square

Length = n

Perimeter	84324844
Area	444417457226521
Diagonal	29813334.507449

Cube

Length = n

Surface area	2666504743359126
Volume	9.3688581878758E+21
Space diagonal	36513728.53708

Equilateral Triangle

Length = n

Perimeter	63243633
Area	1.9243840392173E+14
Altitude	18256864.26854

Triangular Pyramid

Length = n

Surface area	1.9243840392173E+14
Volume	1.1041305261037E+21
Height	9937778.1691496