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

21308911 (number)

21308911 is an odd 8-digits composite number following 21308910 and preceding 21308912. In scientific notation, it is written as 2.1308911 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19669752 positive integers (up to 21308911) that are relatively prime to 21308911.

Interesting facts

21308911 has 4 divisors, whose sum is 22948072
The reverse of 21308911 is 11980312
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million three hundred eight thousand nine hundred eleven

Notation

Scientific notation	2.1308911 × 10^7
Engineering notation	2.1308911 × 10^6

Prime Factorization of 21308911

Prime Factorization 13 × 1639147

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21308911	Product of the distinct prime numbers

The prime factorization of 21308911 is 13 × 1639147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 16, 37, 977, 288, 2810, 5851, 67053, 53509, 425027, 207203, 6575236, 7526004, 26146270, 33960022, 623427736, 55585655, 6688433805, 4346042585

Basic calculations (n = 21308911)

Multiplication

n×y

n×2	42617822
n×3	63926733
n×4	85235644
n×5	106544555

Division

n÷y

n÷2	10654455.5
n÷3	7102970.3333333
n÷3	5327227.75
n÷5	4261782.2

Exponentiation

n^y

n²	454069688005921
n³	9.6757305695159E+21
n⁴	2.0617928156579E+29
n⁵	4.3934559609295E+36

Nth Root

^y√n

²√n	4616.1576012957
³√n	277.23863495224
⁴√n	67.942310832762
⁵√n	29.222155746375

Divisors of 21308911

1, 13, 1639147, 21308911

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	-21308910	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 21308911 can be divided by 4 positive divisors. The sum of these divisors (counting 21308911) is 1, the average is 0.25.

Base conversion 21308911

Base	System	Value
2	Binary	1010001010010010111101111
3	Ternary	1111002121022221
4	Quaternary	1101102113233
5	Quinary	20423341121
6	Senary	2040420211
8	Octal	121222757
10	Decimal	21308911
12	Duodecimal	7177667
16	Hexadecimal	14525ef
20	Vigesimal	6d3c5b
36	Base36	coq27

Cryptographic Hash Functions

md5	233ce447346a76e3c07f38e6052bea9c
sha1	ca5d89ac179403bf7163e7542b67bdd48384e11c
sha256	4e42d968aa43dfe1351779ae71e12cc56499bf1e2d5c7a032f5f0099d165d315
sha512	36191da50713eb4875acfc478a819bb291a4a14bc1755ca356002a234be9c4bc92bb71eff359d7856c793c5d3faed1bdd67ac3c34c99559d70d2dc93a6c5a0e0
ripemd-160	42a54bac87a871351cba12aaf4f01fdb0282d77c

21308911 as geometric shapes

Circle

Radius = n

Diameter	42617822
Circumference	133887836.5072
Area	1.4265019960572E+15

Sphere

Radius = n

Volume	4.0529605433741E+22
Surface area	5.7060079842288E+15
Circumference	133887836.5072

Square

Length = n

Perimeter	85235644
Area	454069688005921
Diagonal	30135350.935601

Cube

Length = n

Surface area	2724418128035526
Volume	9.6757305695159E+21
Space diagonal	36908116.505963

Equilateral Triangle

Length = n

Perimeter	63926733
Area	1.966179424508E+14
Altitude	18454058.252982

Triangular Pyramid

Length = n

Surface area	1.966179424508E+14
Volume	1.1402957831064E+21
Height	10045116.978534