20681948 is an even 8-digits composite number following 20681947
and preceding 20681949 . In scientific notation, it is written as 2.0681948 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 8808624 positive integers (up to 20681948) that are relatively prime to 20681948.
20681948 has 24 divisors, whose sum is 41620992
The reverse of 20681948 is 84918602
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-one thousand nine hundred forty-eight
Scientific notation
2.0681948 × 10^7
Engineering notation
2.0681948 × 10^6
Prime Factorization
2 × 2 × 7 × 167 × 4423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10340974
Product of the distinct prime numbers
The prime factorization of 20681948 is 2 × 2 × 7 × 167 × 4423.
Since it has a total of 5 prime factors.
6 , 9 , 28 , 25 , 495 , 488 , 8007 , 7391 , 26027 , 68544 , 254420 , 531098 , 7471551 , 1572237 , 62575965 , 78395412 , 864581065 , 881499433 , 4239241678 , 6018113767
n×2
41363896
n×3
62045844
n×4
82727792
n×5
103409740
n÷2
10340974
n÷3
6893982.6666667
n÷3
5170487
n÷5
4136389.6
n2
427742973074704
n3
8.8465579264964E+21
n4
1.8296405101479E+29
n5
3.7840529889572E+36
2 √n
4547.7409776723
3 √n
274.49249871395
4 √n
67.436940749654
5 √n
29.048137280592
1 , 2 , 4 , 7 , 14 , 28 , 167 , 334 , 668 , 1169 , 2338 , 4423 , 4676 , 8846 , 17692 , 30961 , 61922 , 123844 , 738641 , 1477282 , 2954564 , 5170487 , 10340974 , 20681948
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681948 can be divided by 24 positive divisors.
The sum of these divisors (counting 20681948) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111001010011011100
3
Ternary
1102220202022002
4
Quaternary
1032321103130
5
Quinary
20243310243
6
Senary
2015141432
8
Octal
116712334
10
Decimal
20681948
12
Duodecimal
6b14878
16
Hexadecimal
13b94dc
20
Vigesimal
6954h8
36
Base36
cbaak
md5
954a671ff645e14bb999a611616b73bc
sha1
b3bf8d81ab8fa2c147430ec06e1c1c33364bd8dd
sha256
6cb2714e3777cd5ad2b84282970e59e8282234df88ca301958bdd805a92e1ae8
sha512
4941117bdb5e4d26d1879888c0d7dfaf1eeeec42b12c4789b245a9f1e2c4bd844d119180ac8537be5676b82528334e26aa4ebf06af6fc988b2ba84cdd9cbb604
ripemd-160
b531b98b49ee95951d8f5c4700074943c39f2972
Diameter
41363896
Circumference
129948511.79745
Area
1.3437941818361E+15
Volume
3.7056375188584E+22
Surface area
5.3751767273446E+15
Circumference
129948511.79745
Perimeter
82727792
Area
427742973074704
Diagonal
29248691.357895
Surface area
2566457838448224
Volume
8.8465579264964E+21
Space diagonal
35822184.735498
Perimeter
62045844
Area
1.8521814048649E+14
Altitude
17911092.367749
Surface area
1.8521814048649E+14
Volume
1.0425768499975E+21
Height
9749563.785965