20231805 is an odd 8-digits composite number following 20231804
and preceding 20231806 . In scientific notation, it is written as 2.0231805 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 9609600 positive integers (up to 20231805) that are relatively prime to 20231805.
20231805 has 16 divisors, whose sum is 24845184
The reverse of 20231805 is 50813202
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred thirty-one thousand eight hundred five
Scientific notation
2.0231805 × 10^7
Engineering notation
2.0231805 × 10^6
Prime Factorization
5 × 363 × 157 × 71
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20231805
Product of the distinct prime numbers
The prime factorization of 20231805 is 5 × 363 × 157 × 71.
Since it has a total of 4 prime factors.
7 , 3 , 14 , 38 , 526 , 684 , 1188 , 7480 , 73204 , 83991 , 414487 , 306945 , 9641524 , 4257178 , 56411667 , 9509544 , 380308245 , 22928789 , 4306243078 , 3704056697
n×2
40463610
n×3
60695415
n×4
80927220
n×5
101159025
n÷2
10115902.5
n÷3
6743935
n÷3
5057951.25
n÷5
4046361
n2
409325933558025
n3
8.2814024691889E+21
n4
1.6754771988315E+29
n5
3.3897927968705E+36
2 √n
4497.977879003
3 √n
272.48642863702
4 √n
67.066965631397
5 √n
28.920575181925
1 , 5 , 71 , 157 , 355 , 363 , 785 , 1815 , 11147 , 25773 , 55735 , 56991 , 128865 , 284955 , 4046361 , 20231805
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
-20231804
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 20231805 can be divided by 16 positive divisors.
The sum of these divisors (counting 20231805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001011011001111101
3
Ternary
1102001212211010
4
Quaternary
1031023121331
5
Quinary
20134404210
6
Senary
2001345433
8
Octal
115133175
10
Decimal
20231805
12
Duodecimal
6938279
16
Hexadecimal
134b67d
20
Vigesimal
668ja5
36
Base36
c1myl
md5
da61b4e0943e211e714585f5fbe7c519
sha1
79564119defc70bdc45ba00e876058fd576a7faa
sha256
1b6cf1e0d638c2f4353f2f91090f4d4692715dba589746c044b7f6099cb83086
sha512
e151a9741c4503417a46e34eb4550d1dfabb302b2b866232196d2ee375ba722abaf86f5e2e565dfda392c38346609a7038b38cae3c9eb34898b0834f68f5a39f
ripemd-160
28c6e03e3e9fd9f6032f6eec864773311d48e089
Diameter
40463610
Circumference
127120179.91372
Area
1.2859353457897E+15
Volume
3.4689057544832E+22
Surface area
5.1437413831587E+15
Circumference
127120179.91372
Perimeter
80927220
Area
409325933558025
Diagonal
28612093.022288
Surface area
2455955601348150
Volume
8.2814024691889E+21
Space diagonal
35042514.188826
Perimeter
60695415
Area
1.7724332844452E+14
Altitude
17521257.094413
Surface area
1.7724332844452E+14
Volume
9.7597264061642E+20
Height
9537364.3407626