20665910 is an even 8-digits composite number following 20665909
and preceding 20665911 . In scientific notation, it is written as 2.0665910 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 8213088 positive integers (up to 20665910) that are relatively prime to 20665910.
20665910 has 16 divisors, whose sum is 37438416
The reverse of 20665910 is 01956602
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred sixty-five thousand nine hundred ten
Scientific notation
2.0665910 × 10^7
Engineering notation
2.0665910 × 10^6
Prime Factorization
2 × 5 × 157 × 13163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20665910
Product of the distinct prime numbers
The prime factorization of 20665910 is 2 × 5 × 157 × 13163.
Since it has a total of 4 prime factors.
1 , 5 , 18 , 59 , 427 , 520 , 4384 , 7254 , 80668 , 8007 , 182580 , 438381 , 4610257 , 6497249 , 14623552 , 70571790 , 110602214 , 742313005 , 1684301718 , 6416434729
n×2
41331820
n×3
61997730
n×4
82663640
n×5
103329550
n÷2
10332955
n÷3
6888636.6666667
n÷3
5166477.5
n÷5
4133182
n2
427079836128100
n3
8.8259934562381E+21
n4
1.823971864272E+29
n5
3.7694038389578E+36
2 √n
4545.9773426624
3 √n
274.42152781827
4 √n
67.423863302709
5 √n
29.04363075539
1 , 2 , 5 , 10 , 157 , 314 , 785 , 1570 , 13163 , 26326 , 65815 , 131630 , 2066591 , 4133182 , 10332955 , 20665910
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
-20665909
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 20665910 can be divided by 16 positive divisors.
The sum of these divisors (counting 20665910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110101011000110110
3
Ternary
1102212221022002
4
Quaternary
1032311120312
5
Quinary
20242302120
6
Senary
2014535302
8
Octal
116653066
10
Decimal
20665910
12
Duodecimal
6b07532
16
Hexadecimal
13b5636
20
Vigesimal
6934fa
36
Base36
caxx2
md5
3c3a5655016d39534ce83d0e6b60ffe6
sha1
6a4339f4fb692921fb0b58549ff41cd6988b51a4
sha256
a3366d4dbe9202cf508c721232b7c00ec2a8541241cd74132eb9f7b336f3b9e3
sha512
433bec94e4889062d8e82eafae57882682e24bc139923e9d4ee3cd2e3d48335e6d285a9e12c3749143e9b7e685cddc60bff2f81a1a79bdc2766c23f491beb699
ripemd-160
0cd1ac34cd510367493cb2d8b506c73a3557d4ac
Diameter
41331820
Circumference
129847742.0715
Area
1.3417108756764E+15
Volume
3.6970234936999E+22
Surface area
5.3668435027055E+15
Circumference
129847742.0715
Perimeter
82663640
Area
427079836128100
Diagonal
29226010.200782
Surface area
2562479016768600
Volume
8.8259934562381E+21
Space diagonal
35794406.104646
Perimeter
61997730
Area
1.8493099376551E+14
Altitude
17897203.052323
Surface area
1.8493099376551E+14
Volume
1.0401533039357E+21
Height
9742003.4002606