21071 (number)

21071 is an odd 5-digits composite number following 21070 and preceding 21072. In scientific notation, it is written as 2.1071 × 10^4. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 19944 positive integers (up to 21071) that are relatively prime to 21071.

Interesting facts

Basic properties

Name

Name twenty-one thousand seventy-one

Notation

Scientific notation 2.1071 × 10^4
Engineering notation 2.1071 × 10^3

Prime Factorization of 21071

Prime Factorization 19 × 1109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21071
Product of the distinct prime numbers

The prime factorization of 21071 is 19 × 1109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21071)

Multiplication

n×y
n×2 42142
n×3 63213
n×4 84284
n×5 105355

Division

n÷y
n÷2 10535.5
n÷3 7023.6666666667
n÷3 5267.75
n÷5 4214.2

Exponentiation

ny
n2 443987041
n3 9355250940911
n4 197124492575935681
n5 4.1536101830675E+21

Nth Root

y√n
2√n 145.15853402401
3√n 27.620299426115
4√n 12.048175547526
5√n 7.3238093330627

Divisors of 21071

1, 19, 1109, 21071

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 -21070
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 21071 can be divided by 4 positive divisors. The sum of these divisors (counting 21071) is 1, the average is 0.25.

Base conversion 21071

Base System Value
2 Binary 101001001001111
3 Ternary 1001220102
4 Quaternary 11021033
5 Quinary 1133241
6 Senary 241315
8 Octal 51117
10 Decimal 21071
12 Duodecimal 1023b
16 Hexadecimal 524f
20 Vigesimal 2cdb
36 Base36 g9b

Cryptographic Hash Functions

md5 738c875d02a61f56eb30127ae50d0c88
sha1 1b384eaef80b04cc1a10ac31b4af4181ea53ac67
sha256 e726bf319a44043bb16509ea90475b5476ce7f29a6a90ee7345ba16be22b8d2d
sha512 62afe5e1d1e55626391e570b33f8a0713680dc2d186f463fad9cb0bd871491e9afe1e34ea0cb474b78d52b49829b8ae3a38e4246288d0107dc012c8d658622c0
ripemd-160 72bd5d19388d6961b1abef58447b7189c223e5f4

21071 as geometric shapes

Circle

Radius = n
Diameter 42142
Circumference 132392.99760758
Area 1394826426.2947

Sphere

Radius = n
Volume 39187183504607
Surface area 5579305705.1787
Circumference 132392.99760758

Square

Length = n
Perimeter 84284
Area 443987041
Diagonal 29798.893972763

Cube

Length = n
Surface area 2663922246
Volume 9355250940911
Space diagonal 36496.042566284

Equilateral Triangle

Length = n
Perimeter 63213
Area 192252028.22854
Altitude 18248.021283142

Triangular Pyramid

Length = n
Surface area 192252028.22854
Volume 1102526896670
Height 9932.9646575878