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.
21071 has 4 divisors, whose sum is 22200
The reverse of 21071 is 17012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 11
Digital Root 2
Name
twenty-one thousand seventy-one
Scientific notation
2.1071 × 10^4
Engineering notation
2.1071 × 10^3
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.
3 , 1 , 85 , 48 , 652 , 214 , 5167 , 3073 , 66765 , 64084 , 354394 , 838756 , 2241668 , 3230857 , 95001201 , 77681269 , 236511234 , 798482058 , 5915324794 , 7585767470
n×2
42142
n×3
63213
n×4
84284
n×5
105355
n÷2
10535.5
n÷3
7023.6666666667
n÷3
5267.75
n÷5
4214.2
n2
443987041
n3
9355250940911
n4
197124492575935681
n5
4.1536101830675E+21
2 √n
145.15853402401
3 √n
27.620299426115
4 √n
12.048175547526
5 √n
7.3238093330627
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
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
md5
738c875d02a61f56eb30127ae50d0c88
sha1
1b384eaef80b04cc1a10ac31b4af4181ea53ac67
sha256
e726bf319a44043bb16509ea90475b5476ce7f29a6a90ee7345ba16be22b8d2d
sha512
62afe5e1d1e55626391e570b33f8a0713680dc2d186f463fad9cb0bd871491e9afe1e34ea0cb474b78d52b49829b8ae3a38e4246288d0107dc012c8d658622c0
ripemd-160
72bd5d19388d6961b1abef58447b7189c223e5f4
Diameter
42142
Circumference
132392.99760758
Area
1394826426.2947
Volume
39187183504607
Surface area
5579305705.1787
Circumference
132392.99760758
Perimeter
84284
Area
443987041
Diagonal
29798.893972763
Surface area
2663922246
Volume
9355250940911
Space diagonal
36496.042566284
Perimeter
63213
Area
192252028.22854
Altitude
18248.021283142
Surface area
192252028.22854
Volume
1102526896670
Height
9932.9646575878