20689811 is an odd 8-digits composite number following 20689810
and preceding 20689812 . In scientific notation, it is written as 2.0689811 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 19745352 positive integers (up to 20689811) that are relatively prime to 20689811.
20689811 has 8 divisors, whose sum is 21638400
The reverse of 20689811 is 11898602
Previous prime number is 1399
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-nine thousand eight hundred eleven
Scientific notation
2.0689811 × 10^7
Engineering notation
2.0689811 × 10^6
Prime Factorization
23 × 1399 × 643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20689811
Product of the distinct prime numbers
The prime factorization of 20689811 is 23 × 1399 × 643.
Since it has a total of 3 prime factors.
9 , 6 , 81 , 45 , 792 , 287 , 7986 , 8259 , 78159 , 76152 , 313814 , 19966 , 1718622 , 7885100 , 3499028 , 55495315 , 126984391 , 646840048 , 2332471289 , 7249521667
n×2
41379622
n×3
62069433
n×4
82759244
n×5
103449055
n÷2
10344905.5
n÷3
6896603.6666667
n÷3
5172452.75
n÷5
4137962.2
n2
428068279215721
n3
8.8566517920685E+21
n4
1.8324245167071E+29
n5
3.7912516922436E+36
2 √n
4548.6053906665
3 √n
274.527280432
4 √n
67.443349491751
5 √n
29.050345687428
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689810
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689811 can be divided by 8 positive divisors.
The sum of these divisors (counting 20689811) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111011001110010011
3
Ternary
1102221011002022
4
Quaternary
1032323032103
5
Quinary
20244033221
6
Senary
2015242055
8
Octal
116731623
10
Decimal
20689811
12
Duodecimal
6b1932b
16
Hexadecimal
13bb393
20
Vigesimal
6964ab
36
Base36
cbgcz
md5
1570ffb4e905d5573aa1c2f1f0a19173
sha1
ec6d5ac8808cfc777033e544ecb178cde5e0375f
sha256
88e1f1ac1773497c6cc53a6e78744916983ee86a4653685a558bfc9b2f49332e
sha512
10496e5e6fef512e7504cd6ab1444ec7c059226d83f7133c12b97c1ea7738746f1ea8db3bc4ecb068e0a5105047791b43c633092db81c4c145d29ed71eb97fb0
ripemd-160
73e16bba4523cf98c3ebf6b8ac3d825eb3b35a28
Diameter
41379622
Circumference
129997916.48352
Area
1.3448161612189E+15
Volume
3.709865627382E+22
Surface area
5.3792646448757E+15
Circumference
129997916.48352
Perimeter
82759244
Area
428068279215721
Diagonal
29259811.319136
Surface area
2568409675294326
Volume
8.8566517920685E+21
Space diagonal
35835803.850997
Perimeter
62069433
Area
1.8535900217755E+14
Altitude
17917901.925499
Surface area
1.8535900217755E+14
Volume
1.0437664234633E+21
Height
9753270.439712