21682738 is an even 8-digits composite number following 21682737
and preceding 21682739 . In scientific notation, it is written as 2.1682738 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8447760 positive integers (up to 21682738) that are relatively prime to 21682738.
21682738 has 16 divisors, whose sum is 40549824
The reverse of 21682738 is 83728612
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million six hundred eighty-two thousand seven hundred thirty-eight
Scientific notation
2.1682738 × 10^7
Engineering notation
2.1682738 × 10^6
Prime Factorization
2 × 7 × 11 × 140797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21682738
Product of the distinct prime numbers
The prime factorization of 21682738 is 2 × 7 × 11 × 140797.
Since it has a total of 4 prime factors.
10 , 8 , 88 , 61 , 291 , 430 , 5156 , 7179 , 42854 , 74035 , 980380 , 420479 , 5456151 , 9097056 , 24014717 , 53643070 , 727704189 , 329828289 , 6742837917 , 573916073
n×2
43365476
n×3
65048214
n×4
86730952
n×5
108413690
n÷2
10841369
n÷3
7227579.3333333
n÷3
5420684.5
n÷5
4336547.6
n2
470141127176644
n3
1.0193946883596E+22
n4
2.2103267946293E+29
n5
4.7925936782326E+36
2 √n
4656.4726993723
3 √n
278.85046563972
4 √n
68.238352115012
5 √n
29.323973909087
1 , 2 , 7 , 11 , 14 , 22 , 77 , 154 , 140797 , 281594 , 985579 , 1548767 , 1971158 , 3097534 , 10841369 , 21682738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21682737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21682738 can be divided by 16 positive divisors.
The sum of these divisors (counting 21682738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101101101000110010
3
Ternary
1111210121010101
4
Quaternary
1102231220302
5
Quinary
21022321423
6
Senary
2052423014
8
Octal
122555062
10
Decimal
21682738
12
Duodecimal
7317a6a
16
Hexadecimal
14ada32
20
Vigesimal
6fa6gi
36
Base36
cwqia
md5
bf4ac41141f23eb224517046c4f2a042
sha1
b518969d54c34a6f64db3d0ea54f5b446bf79093
sha256
02641fb0579a525409f6e2de055e4d887f386a4e73e550436e518d659b910f6e
sha512
75ff5942a80b3b9a4fade02bc75827ffd43efaf323e66e35b8822fcc2a4a8acfcc349ba40426c4e3032417dcfb4f2295cd36c2f618968a1ade1884a7fe001a7a
ripemd-160
c3f87f90efd046e8694f56180ff693edcac2d00d
Diameter
43365476
Circumference
136236660.82102
Area
1.4769919112886E+15
Volume
4.2700304854119E+22
Surface area
5.9079676451543E+15
Circumference
136236660.82102
Perimeter
86730952
Area
470141127176644
Diagonal
30664022.148982
Surface area
2820846763059864
Volume
1.0193946883596E+22
Space diagonal
37555603.863204
Perimeter
65048214
Area
2.0357707974941E+14
Altitude
18777801.931602
Surface area
2.0357707974941E+14
Volume
1.2013681614077E+21
Height
10221340.716327