21046 is an even 5-digits composite number following 21045
and preceding 21047 . In scientific notation, it is written as 2.1046 × 10^4.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 9888 positive integers (up to 21046) that are relatively prime to 21046.
21046 has 8 divisors, whose sum is 33480
The reverse of 21046 is 64012
Previous prime number is 17
Is Prime? no
Number parity even
Number length 5
Sum of Digits 13
Digital Root 4
Name
twenty-one thousand forty-six
Scientific notation
2.1046 × 10^4
Engineering notation
2.1046 × 10^3
Prime Factorization
2 × 17 × 619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21046
Product of the distinct prime numbers
The prime factorization of 21046 is 2 × 17 × 619.
Since it has a total of 3 prime factors.
2 , 6 , 85 , 14 , 518 , 890 , 2920 , 3383 , 12998 , 50297 , 363298 , 346061 , 6855873 , 3360743 , 49804568 , 15184706 , 987619351 , 561852520 , 5346459657 , 7781136935
n×2
42092
n×3
63138
n×4
84184
n×5
105230
n÷2
10523
n÷3
7015.3333333333
n÷3
5261.5
n÷5
4209.2
n2
442934116
n3
9321991405336
n4
196190631116701456
n5
4.1290280224821E+21
2 √n
145.07239572021
3 √n
27.609371598716
4 √n
12.04460027233
5 √n
7.3220706192887
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
-21045
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 21046 can be divided by 8 positive divisors.
The sum of these divisors (counting 21046) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001000110110
3
Ternary
1001212111
4
Quaternary
11020312
5
Quinary
1133141
6
Senary
241234
8
Octal
51066
10
Decimal
21046
12
Duodecimal
1021a
16
Hexadecimal
5236
20
Vigesimal
2cc6
36
Base36
g8m
md5
1d1e62052e90a97409270f31326f5b0e
sha1
2c8814f63b7f5a541088b690be532f0db8ea895a
sha256
646ea841f7adf759aa08103b831fdeef311cab719e1b9a9aefa8536e1393f9da
sha512
4ce313d0973cb8ea759d620a08e304713bc868ab07bbe8ece3f0b524bc14ff899d0c586f0599a03f0663eb4c1f534f9eee1357d44b5008715625ea4a40a29a71
ripemd-160
2a53756e2f671952a182de9996ed3c6fdc3bbcb8
Diameter
42092
Circumference
132235.9179749
Area
1391518564.8499
Volume
39047866287774
Surface area
5566074259.3996
Circumference
132235.9179749
Perimeter
84184
Area
442934116
Diagonal
29763.538633704
Surface area
2657604696
Volume
9321991405336
Space diagonal
36452.741296095
Perimeter
63138
Area
191796098.3294
Altitude
18226.370648047
Surface area
191796098.3294
Volume
1098607222812.6
Height
9921.1795445681