20531804 is an even 8-digits composite number following 20531803
and preceding 20531805 . In scientific notation, it is written as 2.0531804 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10249008 positive integers (up to 20531804) that are relatively prime to 20531804.
20531804 has 12 divisors, whose sum is 35989800
The reverse of 20531804 is 40813502
Previous prime number is 659
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred thirty-one thousand eight hundred four
Scientific notation
2.0531804 × 10^7
Engineering notation
2.0531804 × 10^6
Prime Factorization
2 × 2 × 659 × 7789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10265902
Product of the distinct prime numbers
The prime factorization of 20531804 is 2 × 2 × 659 × 7789.
Since it has a total of 4 prime factors.
10 , 2 , 23 , 52 , 553 , 472 , 4707 , 4040 , 28252 , 36903 , 962336 , 1111 , 8406603 , 4246784 , 6729621 , 13874753 , 331708553 , 423030081 , 204395444 , 9591010187
n×2
41063608
n×3
61595412
n×4
82127216
n×5
102659020
n÷2
10265902
n÷3
6843934.6666667
n÷3
5132951
n÷5
4106360.8
n2
421554975494416
n3
8.6552841320762E+21
n4
1.777085973641E+29
n5
3.6486780901946E+36
2 √n
4531.2033721739
3 √n
273.82664367718
4 √n
67.314213745493
5 √n
29.00583832595
1 , 2 , 4 , 659 , 1318 , 2636 , 7789 , 15578 , 31156 , 5132951 , 10265902 , 20531804
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20531803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20531804 can be divided by 12 positive divisors.
The sum of these divisors (counting 20531804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110010100101001011100
3
Ternary
1102122010100012
4
Quaternary
1032110221130
5
Quinary
20224004204
6
Senary
2012022352
8
Octal
116245134
10
Decimal
20531804
12
Duodecimal
6a619b8
16
Hexadecimal
1394a5c
20
Vigesimal
6869a4
36
Base36
c82fw
md5
b28420b61d3a2e60bb811b1928848d50
sha1
0f96f58163c70214744f50e4458f73c60507965c
sha256
5ed5bc0457c3d6b9d3152f48a87f636b7f8b34f3af6d2606f55008b57ce9764c
sha512
5bac067185068cffcac0d249d9e900ca6bfa8580d5309a020f59971f10173d61aa2fade5448e7807c859011f37daa472a07bd6bf4af2bedb99710667814427e9
ripemd-160
5f931abd2fb1c7ba0d28207687d166478b390356
Diameter
41063608
Circumference
129005129.22269
Area
1.3243540140975E+15
Volume
3.6255169392084E+22
Surface area
5.2974160563899E+15
Circumference
129005129.22269
Perimeter
82127216
Area
421554975494416
Diagonal
29036355.676786
Surface area
2529329852966496
Volume
8.6552841320762E+21
Space diagonal
35562127.699046
Perimeter
61595412
Area
1.8253865893495E+14
Altitude
17781063.849523
Surface area
1.8253865893495E+14
Volume
1.0200350171479E+21
Height
9678785.2255954