21914 is an even 5-digits composite number following 21913
and preceding 21915 . In scientific notation, it is written as 2.1914 × 10^4.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 10956 positive integers (up to 21914) that are relatively prime to 21914.
21914 has 4 divisors, whose sum is 32874
The reverse of 21914 is 41912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
twenty-one thousand nine hundred fourteen
Scientific notation
2.1914 × 10^4
Engineering notation
2.1914 × 10^3
Prime Factorization
2 × 10957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21914
Product of the distinct prime numbers
The prime factorization of 21914 is 2 × 10957.
Since it has a total of 2 prime factors.
10 , 3 , 18 , 69 , 554 , 111 , 912 , 4362 , 26695 , 11793 , 273663 , 388758 , 1958840 , 1815762 , 41471191 , 19738494 , 474907427 , 585923471 , 5312984451 , 4716332710
n×2
43828
n×3
65742
n×4
87656
n×5
109570
n÷2
10957
n÷3
7304.6666666667
n÷3
5478.5
n÷5
4382.8
n2
480223396
n3
10523615499944
n4
230614510065772816
n5
5.0536863735813E+21
2 √n
148.03377992877
3 √n
27.983834205893
4 √n
12.166913327906
5 √n
7.3814950263548
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
-21913
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 21914 can be divided by 4 positive divisors.
The sum of these divisors (counting 21914) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010110011010
3
Ternary
1010001122
4
Quaternary
11112122
5
Quinary
1200124
6
Senary
245242
8
Octal
52632
10
Decimal
21914
12
Duodecimal
10822
16
Hexadecimal
559a
20
Vigesimal
2efe
36
Base36
gwq
md5
d84f9ebccf1b062f6dce85d56fe09420
sha1
d73146dcd537ecaf6dceaf9cee46d34eca65480b
sha256
4b40f41f5a3652c27a3e70350cf765b1e311bb086fb6f9aaece70f843b964877
sha512
b61716c1dcdbd4ad6c7b66fe641fafe56d9c4c077f20e77c02714cce8facc7322ace2a1b0c6f5b76c1cee5b482f9d20aa52ed2cf51d8f4ed337ee63b5157d1bd
ripemd-160
8d2300228b105cfc98b723948f7d93cfc22909a8
Diameter
43828
Circumference
137689.72282153
Area
1508666292.9555
Volume
44081217525104
Surface area
6034665171.8222
Circumference
137689.72282153
Perimeter
87656
Area
480223396
Diagonal
30991.076005844
Surface area
2881340376
Volume
10523615499944
Space diagonal
37956.161397064
Perimeter
65742
Area
207942830.21382
Altitude
18978.080698532
Surface area
207942830.21382
Volume
1240219980435
Height
10330.358668615