21896 is an even 5-digits composite number following 21895
and preceding 21897 . In scientific notation, it is written as 2.1896 × 10^4.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 8448 positive integers (up to 21896) that are relatively prime to 21896.
21896 has 32 divisors, whose sum is 51840
The reverse of 21896 is 69812
Previous prime number is 23
Is Prime? no
Number parity even
Number length 5
Sum of Digits 26
Digital Root 8
Name
twenty-one thousand eight hundred ninety-six
Scientific notation
2.1896 × 10^4
Engineering notation
2.1896 × 10^3
Prime Factorization
2 × 2 × 2 × 7 × 23 × 17
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5474
Product of the distinct prime numbers
The prime factorization of 21896 is 2 × 2 × 2 × 7 × 23 × 17.
Since it has a total of 6 prime factors.
2 , 3 , 55 , 32 , 624 , 332 , 3661 , 7448 , 17244 , 39336 , 998916 , 371075 , 4868574 , 4876007 , 87382326 , 18103313 , 624049770 , 421264762 , 8166675215 , 6994455075
n×2
43792
n×3
65688
n×4
87584
n×5
109480
n÷2
10948
n÷3
7298.6666666667
n÷3
5474
n÷5
4379.2
n2
479434816
n3
10497704731136
n4
229857742792953856
n5
5.0329651361945E+21
2 √n
147.97297050475
3 √n
27.976170201254
4 √n
12.164414104459
5 √n
7.380282006492
1 , 2 , 4 , 7 , 8 , 14 , 17 , 23 , 28 , 34 , 46 , 56 , 68 , 92 , 119 , 136 , 161 , 184 , 238 , 322 , 391 , 476 , 644 , 782 , 952 , 1288 , 1564 , 2737 , 3128 , 5474 , 10948 , 21896
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21895
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21896 can be divided by 32 positive divisors.
The sum of these divisors (counting 21896) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101010110001000
3
Ternary
1010000222
4
Quaternary
11112020
5
Quinary
1200041
6
Senary
245212
8
Octal
52610
10
Decimal
21896
12
Duodecimal
10808
16
Hexadecimal
5588
20
Vigesimal
2eeg
36
Base36
gw8
md5
093562aee4b200f3c39fdd15462f2f9b
sha1
f85bb4db6359dcf3684c126e01db6a102b6bca29
sha256
36674fa38b7475d466a3662d47f847764d82cfa2d2143f017c3c4d03b0972946
sha512
248c7e679cc9c5c949b0c6b8b0e284436002227f9428409983ef2f1b6c9a40a6dcb48868910d8f4194089f498774276fd2c47fc3e46fd04672fa1459453c525f
ripemd-160
39784821f279c77d713163ad3cab4f618e837883
Diameter
43792
Circumference
137576.625486
Area
1506188895.8208
Volume
43972682750522
Surface area
6024755583.2831
Circumference
137576.625486
Perimeter
87584
Area
479434816
Diagonal
30965.620161721
Surface area
2876608896
Volume
10497704731136
Space diagonal
37924.984482528
Perimeter
65688
Area
207601365.05736
Altitude
18962.492241264
Surface area
207601365.05736
Volume
1237166367046.7
Height
10321.87338724