21111 (number)

21111 is an odd 5-digits composite number following 21110 and preceding 21112. In scientific notation, it is written as 2.1111 × 10^4. The sum of its digits is 6. It has a total of 3 prime factors and 8 positive divisors. There are 13560 positive integers (up to 21111) that are relatively prime to 21111.

Interesting facts

Basic properties

Name

Name twenty-one thousand one hundred eleven

Notation

Scientific notation 2.1111 × 10^4
Engineering notation 2.1111 × 10^3

Prime Factorization of 21111

Prime Factorization 3 × 31 × 227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21111
Product of the distinct prime numbers

The prime factorization of 21111 is 3 × 31 × 227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 96, 98, 615, 434, 305, 1210, 17129, 2607, 492603, 135159, 9148937, 2890172, 43011375, 20871786, 698151473, 970145980, 1193320107, 4520545110

Basic calculations (n = 21111)

Multiplication

n×y
n×2 42222
n×3 63333
n×4 84444
n×5 105555

Division

n÷y
n÷2 10555.5
n÷3 7037
n÷3 5277.75
n÷5 4222.2

Exponentiation

ny
n2 445674321
n3 9408630590631
n4 198625600398811041
n5 4.1931850500193E+21

Nth Root

y√n
2√n 145.2962490913
3√n 27.637765985353
4√n 12.053889376102
5√n 7.3265878454887

Divisors of 21111

1, 3, 31, 93, 227, 681, 7037, 21111

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 -21110
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 21111 can be divided by 8 positive divisors. The sum of these divisors (counting 21111) is 1, the average is 0.125.

Base conversion 21111

Base System Value
2 Binary 101001001110111
3 Ternary 1001221220
4 Quaternary 11021313
5 Quinary 1133421
6 Senary 241423
8 Octal 51167
10 Decimal 21111
12 Duodecimal 10273
16 Hexadecimal 5277
20 Vigesimal 2cfb
36 Base36 gaf

Cryptographic Hash Functions

md5 71ecf3a12729ba438d057df53c82a1ca
sha1 ba8074100d1fe69c3f7e7bfee1f3468815472cf0
sha256 ee006519acf5ee196d51f524f7e098772fb42b03aefdc09c7a463d2646f14705
sha512 055d01ec0c260498818eff6b15f86cd68cc34a1814dc4195f788a4ac6c33a30fd29d223ec9feaac3352344ed679247f5fb9d577c598ae20fed30dbe8ee929d25
ripemd-160 f5cc4ffa9916bf2b1848bfa665c09e51092b79cd

21111 as geometric shapes

Circle

Radius = n
Diameter 42222
Circumference 132644.32501987
Area 1400127172.7472

Sphere

Radius = n
Volume 39410779658489
Surface area 5600508690.9889
Circumference 132644.32501987

Square

Length = n
Perimeter 84444
Area 445674321
Diagonal 29855.462515258

Cube

Length = n
Surface area 2674045926
Volume 9408630590631
Space diagonal 36565.324598587

Equilateral Triangle

Length = n
Perimeter 63333
Area 192982641.90019
Altitude 18282.662299293

Triangular Pyramid

Length = n
Surface area 192982641.90019
Volume 1108817748719.1
Height 9951.8208384195