21084 (number)

21084 is an even 5-digits composite number following 21083 and preceding 21085. In scientific notation, it is written as 2.1084 × 10^4. The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors. There are 6000 positive integers (up to 21084) that are relatively prime to 21084.

Interesting facts

Basic properties

Name

Name twenty-one thousand eighty-four

Notation

Scientific notation 2.1084 × 10^4
Engineering notation 2.1084 × 10^3

Prime Factorization of 21084

Prime Factorization 2 × 2 × 21 × 251

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10542
Product of the distinct prime numbers

The prime factorization of 21084 is 2 × 2 × 21 × 251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084)

Multiplication

n×y
n×2 42168
n×3 63252
n×4 84336
n×5 105420

Division

n÷y
n÷2 10542
n÷3 7028
n÷3 5271
n÷5 4216.8

Exponentiation

ny
n2 444535056
n3 9372577120704
n4 197611416012923136
n5 4.1664390952165E+21

Nth Root

y√n
2√n 145.20330574749
3√n 27.62597848066
4√n 12.05003343346
5√n 7.3247128120981

Divisors of 21084

1, 2, 4, 21, 42, 84, 251, 502, 1004, 5271, 10542, 21084

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21083
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084 can be divided by 12 positive divisors. The sum of these divisors (counting 21084) is 1, the average is 0.083333333333333.

Base conversion 21084

Base System Value
2 Binary 101001001011100
3 Ternary 1001220220
4 Quaternary 11021130
5 Quinary 1133314
6 Senary 241340
8 Octal 51134
10 Decimal 21084
12 Duodecimal 10250
16 Hexadecimal 525c
20 Vigesimal 2ce4
36 Base36 g9o

Cryptographic Hash Functions

md5 37e9b839eeb8b2d3c484e37c548dccae
sha1 850f9209ee53be07ce3a1c91546480c89b4bb456
sha256 bbca917ab2165204a5eea277f767e595dc31cbe2b591fe532d0d1c39dac5bb3d
sha512 6826b100ffc20b1a93606aa1ae43b7a9631b7c62fd5d8676ed799fc4fda99b1216e73737172deef421b9c6ffa9dc3e062afa8dd820b6db44df156ef5a41a05f0
ripemd-160 0d2f9893ca89e0ffaf59a74524dee64f0a20f47d

21084 as geometric shapes

Circle

Radius = n
Diameter 42168
Circumference 132474.67901657
Area 1396548066.1927

Sphere

Radius = n
Volume 39259759236810
Surface area 5586192264.7709
Circumference 132474.67901657

Square

Length = n
Perimeter 84336
Area 444535056
Diagonal 29817.278749074

Cube

Length = n
Surface area 2667210336
Volume 9372577120704
Space diagonal 36518.559226782

Equilateral Triangle

Length = n
Perimeter 63252
Area 192489325.68437
Altitude 18259.279613391

Triangular Pyramid

Length = n
Surface area 192489325.68437
Volume 1104568806540.6
Height 9939.0929163581