20681629 is an odd 8-digits composite number following 20681628
and preceding 20681630 . In scientific notation, it is written as 2.0681629 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20662684 positive integers (up to 20681629) that are relatively prime to 20681629.
20681629 has 4 divisors, whose sum is 20700576
The reverse of 20681629 is 92618602
Previous prime number is 1163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-one thousand six hundred twenty-nine
Scientific notation
2.0681629 × 10^7
Engineering notation
2.0681629 × 10^6
Prime Factorization
1163 × 17783
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20681629
Product of the distinct prime numbers
The prime factorization of 20681629 is 1163 × 17783.
Since it has a total of 2 prime factors.
8 , 7 , 7 , 15 , 130 , 213 , 9694 , 455 , 23898 , 69686 , 964738 , 201059 , 3300291 , 6237032 , 42047603 , 17332989 , 223578799 , 915860925 , 5552000013 , 8905690994
n×2
41363258
n×3
62044887
n×4
82726516
n×5
103408145
n÷2
10340814.5
n÷3
6893876.3333333
n÷3
5170407.25
n÷5
4136325.8
n2
427729778093641
n3
8.846148582785E+21
n4
1.8295276306804E+29
n5
3.783761170298E+36
2 √n
4547.705905179
3 √n
274.49108744203
4 √n
67.436680709974
5 √n
29.048047671886
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681628
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681629 can be divided by 4 positive divisors.
The sum of these divisors (counting 20681629) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111001001110011101
3
Ternary
1102220201212021
4
Quaternary
1032321032131
5
Quinary
20243303004
6
Senary
2015140141
8
Octal
116711635
10
Decimal
20681629
12
Duodecimal
6b14651
16
Hexadecimal
13b939d
20
Vigesimal
695419
36
Base36
cba1p
md5
68b3b21922753030ba17c14adc19d0ec
sha1
2436d9d7dcb0e074ee54f025f0228653a0a0cbe7
sha256
edb55d31ac92421e46677c64c9b263606ed977ddf46577fa509f460382b35496
sha512
7df596126a3e6a6519f0964ccc0480d540f54eff4c83f756e97b1617550f3e4535ddb6e40155df86ff968c074757be5e85414c4d3d925b9e06f9567e7070471d
ripemd-160
94e474a97e36bfcb1269c675df72b16854dd9de4
Diameter
41363258
Circumference
129946507.46134
Area
1.3437527285806E+15
Volume
3.7054660533655E+22
Surface area
5.3750109143223E+15
Circumference
129946507.46134
Perimeter
82726516
Area
427729778093641
Diagonal
29248240.223769
Surface area
2566378668561846
Volume
8.846148582785E+21
Space diagonal
35821632.21129
Perimeter
62044887
Area
1.8521242689209E+14
Altitude
17910816.105645
Surface area
1.8521242689209E+14
Volume
1.0425286083785E+21
Height
9749413.4079229