21931684 is an even 8-digits composite number following 21931683
and preceding 21931685 . In scientific notation, it is written as 2.1931684 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors.
There are 10965840 positive integers (up to 21931684) that are relatively prime to 21931684.
21931684 has 6 divisors, whose sum is 38380454
The reverse of 21931684 is 48613912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred thirty-one thousand six hundred eighty-four
Scientific notation
2.1931684 × 10^7
Engineering notation
2.1931684 × 10^6
Prime Factorization
2 × 2 × 5482921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10965842
Product of the distinct prime numbers
The prime factorization of 21931684 is 2 × 2 × 5482921.
Since it has a total of 3 prime factors.
9 , 5 , 23 , 89 , 75 , 373 , 7954 , 393 , 8716 , 70444 , 532243 , 357728 , 9047171 , 2834682 , 11931870 , 96781977 , 414773839 , 141113143 , 5646547103 , 9372510700
n×2
43863368
n×3
65795052
n×4
87726736
n×5
109658420
n÷2
10965842
n÷3
7310561.3333333
n÷3
5482921
n÷5
4386336.8
n2
480998763075856
n3
1.0549112876171E+22
n4
2.313598100805E+29
n5
5.0741102449856E+36
2 √n
4683.1275874142
3 √n
279.91359578855
4 √n
68.433380651654
5 √n
29.391002245934
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931684 can be divided by 6 positive divisors.
The sum of these divisors (counting 21931684) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010011101010011010100100
3
Ternary
1112021020121121
4
Quaternary
1103222122210
5
Quinary
21103303214
6
Senary
2102023324
8
Octal
123523244
10
Decimal
21931684
12
Duodecimal
7417b44
16
Hexadecimal
14ea6a4
20
Vigesimal
6h1944
36
Base36
d22lg
md5
8b03eea4ab87edfd68f60a3d3289b284
sha1
8ab89a7be166c89b2d343d7ac372680da0411e35
sha256
8741453d442f90b1f8d19773ea01b5af7f55d8971236687a0405bdd7bbbf9fb6
sha512
f3210cc6eec875afa1ff818390cc78599aa2c7773293731ab94e2aa3b1cfbce90f0f5686fe8816f0dc1c321afa047d0d6f8f7139226e808f205d7e67592731be
ripemd-160
c115ef4d9efd6855bba810b0454b6ab9fe844eb0
Diameter
43863368
Circumference
137800834.67051
Area
1.5111021804649E+15
Volume
4.4188020684889E+22
Surface area
6.0444087218595E+15
Circumference
137800834.67051
Perimeter
87726736
Area
480998763075856
Diagonal
31016084.958481
Surface area
2885992578455136
Volume
1.0549112876171E+22
Space diagonal
37986790.983545
Perimeter
65795052
Area
2.0827857400629E+14
Altitude
18993395.491773
Surface area
2.0827857400629E+14
Volume
1.2432248750404E+21
Height
10338694.98616