21681330 is an even 8-digits composite number following 21681329
and preceding 21681331 . In scientific notation, it is written as 2.1681330 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 5256000 positive integers (up to 21681330) that are relatively prime to 21681330.
21681330 has 32 divisors, whose sum is 56766528
The reverse of 21681330 is 03318612
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million six hundred eighty-one thousand three hundred thirty
Scientific notation
2.1681330 × 10^7
Engineering notation
2.1681330 × 10^6
Prime Factorization
2 × 3 × 5 × 11 × 65701
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21681330
Product of the distinct prime numbers
The prime factorization of 21681330 is 2 × 3 × 5 × 11 × 65701.
Since it has a total of 5 prime factors.
9 , 1 , 52 , 76 , 480 , 678 , 7481 , 9860 , 88128 , 97091 , 111288 , 545367 , 5858110 , 8240038 , 8164223 , 1126306 , 924218228 , 141116119 , 1382163877 , 7547022373
n×2
43362660
n×3
65043990
n×4
86725320
n×5
108406650
n÷2
10840665
n÷3
7227110
n÷3
5420332.5
n÷5
4336266
n2
470080070568900
n3
1.0191961136428E+22
n4
2.2097527274606E+29
n5
4.7910378102474E+36
2 √n
4656.321509518
3 √n
278.8444296561
4 √n
68.237244298975
5 √n
29.32359306025
1 , 2 , 3 , 5 , 6 , 10 , 11 , 15 , 22 , 30 , 33 , 55 , 66 , 110 , 165 , 330 , 65701 , 131402 , 197103 , 328505 , 394206 , 657010 , 722711 , 985515 , 1445422 , 1971030 , 2168133 , 3613555 , 4336266 , 7227110 , 10840665 , 21681330
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
-21681329
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 21681330 can be divided by 32 positive divisors.
The sum of these divisors (counting 21681330) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101101010010110010
3
Ternary
1111210112012020
4
Quaternary
1102231102302
5
Quinary
21022300310
6
Senary
2052412310
8
Octal
122552262
10
Decimal
21681330
12
Duodecimal
7317096
16
Hexadecimal
14ad4b2
20
Vigesimal
6fa36a
36
Base36
cwpf6
md5
46234860434de3348b22c970cf494cbf
sha1
65ce8cb58054c8b47a98a45b611327c21d0f83df
sha256
9c6b270a923d581785903d5f497edaf0d8ea1c1c316609f2bfe47aa7690af54a
sha512
c2cbb83f688adf94f4a87145e4561f511c14c96e31a4cfd89b121e077569e85fb7b9df5648c38d8fb847ad44159e2c9d9d1319e3dbb010191a84809c453225b4
ripemd-160
d31ce99f523b62dbb184e935f333d20429f51106
Diameter
43362660
Circumference
136227814.09611
Area
1.4768000962982E+15
Volume
4.2691986975832E+22
Surface area
5.9072003851929E+15
Circumference
136227814.09611
Perimeter
86725320
Area
470080070568900
Diagonal
30662030.936287
Surface area
2820480423413400
Volume
1.0191961136428E+22
Space diagonal
37553165.135667
Perimeter
65043990
Area
2.0355064146272E+14
Altitude
18776582.567834
Surface area
2.0355064146272E+14
Volume
1.2011341388596E+21
Height
10220676.978762