20665628 is an even 8-digits composite number following 20665627
and preceding 20665629 . In scientific notation, it is written as 2.0665628 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 10007424 positive integers (up to 20665628) that are relatively prime to 20665628.
20665628 has 24 divisors, whose sum is 37318512
The reverse of 20665628 is 82656602
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred sixty-five thousand six hundred twenty-eight
Scientific notation
2.0665628 × 10^7
Engineering notation
2.0665628 × 10^6
Prime Factorization
2 × 2 × 43 × 137 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10332814
Product of the distinct prime numbers
The prime factorization of 20665628 is 2 × 2 × 43 × 137 × 877.
Since it has a total of 5 prime factors.
2 , 3 , 77 , 23 , 555 , 741 , 4877 , 4169 , 62067 , 85698 , 670836 , 621755 , 5721788 , 9722528 , 68791071 , 10454174 , 273666502 , 704364317 , 932598100 , 3479466388
n×2
41331256
n×3
61996884
n×4
82662512
n×5
103328140
n÷2
10332814
n÷3
6888542.6666667
n÷3
5166407
n÷5
4133125.6
n2
427068180634384
n3
8.825632151627E+21
n4
1.8238723091036E+29
n5
3.7691466659437E+36
2 √n
4545.946326124
3 √n
274.42027959156
4 √n
67.423633290738
5 √n
29.04355149105
1 , 2 , 4 , 43 , 86 , 137 , 172 , 274 , 548 , 877 , 1754 , 3508 , 5891 , 11782 , 23564 , 37711 , 75422 , 120149 , 150844 , 240298 , 480596 , 5166407 , 10332814 , 20665628
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
-20665627
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 20665628 can be divided by 24 positive divisors.
The sum of these divisors (counting 20665628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110110101010100011100
3
Ternary
1102212220220122
4
Quaternary
1032311110130
5
Quinary
20242300003
6
Senary
2014534112
8
Octal
116652434
10
Decimal
20665628
12
Duodecimal
6b07338
16
Hexadecimal
13b551c
20
Vigesimal
693418
36
Base36
caxp8
md5
a01a81d0f891f6cac19d5bb4ff83a608
sha1
e3de42bde3c0a49726b798dfb53240d89698d168
sha256
4a92455ca2d2ec6ab283530d42b3b08cc1abcb189f0da531b7ac153913d1b77a
sha512
9cd23d917a8349e7ec83203779460c550cc8bd4f2b42f8425f518ef756b0f868dfb3a0048c8692cd94f067dc11239806dab996057beabc1d83aeefae911d8dea
ripemd-160
eccd6dd36cd2879564a2b499b7d1b787ec1d5fd9
Diameter
41331256
Circumference
129845970.21324
Area
1.3416742588629E+15
Volume
3.6968721507783E+22
Surface area
5.3666970354518E+15
Circumference
129845970.21324
Perimeter
82662512
Area
427068180634384
Diagonal
29225611.392557
Surface area
2562409083806304
Volume
8.825632151627E+21
Space diagonal
35793917.666318
Perimeter
61996884
Area
1.8492594678869E+14
Altitude
17896958.833159
Surface area
1.8492594678869E+14
Volume
1.0401107237789E+21
Height
9741870.4641857