20731811 is an odd 8-digits prime number following 20731810
and preceding 20731812 . In scientific notation, it is written as 2.0731811 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20731810 positive integers (up to 20731811) that are relatively prime to 20731811.
20731811 has 2 divisors, whose sum is 20731812
The reverse of 20731811 is 11813702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million seven hundred thirty-one thousand eight hundred eleven
Scientific notation
2.0731811 × 10^7
Engineering notation
2.0731811 × 10^6
Prime Factorization
20731811
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20731811
Product of the distinct prime numbers
The prime factorization of 20731811 is 20731811.
Since it has a total of 1 prime factors.
1 , 10 , 9 , 39 , 680 , 615 , 7246 , 8554 , 29312 , 47000 , 603824 , 865831 , 816745 , 908353 , 11800973 , 75147650 , 123797657 , 458027414 , 3140478985 , 385449633
n×2
41463622
n×3
62195433
n×4
82927244
n×5
103659055
n÷2
10365905.5
n÷3
6910603.6666667
n÷3
5182952.75
n÷5
4146362.2
n2
429807987339721
n3
8.9106979598175E+21
n4
1.8473490598102E+29
n5
3.8298891559013E+36
2 √n
4553.2198497327
3 √n
274.71291693618
4 √n
67.477550709349
5 √n
29.062130473652
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20731812
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10365906
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4553.2199595451
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999035299
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731811 can be divided by 2 positive divisors.
The sum of these divisors (counting 20731811) is 20731812, the average is 10365906.
Base
System
Value
2
Binary
1001111000101011110100011
3
Ternary
1110000021200212
4
Quaternary
1033011132203
5
Quinary
20301404221
6
Senary
2020204335
8
Octal
117053643
10
Decimal
20731811
12
Duodecimal
6b396ab
16
Hexadecimal
13c57a3
20
Vigesimal
69b9ab
36
Base36
cccrn
md5
82e38a8f22219b18507fffad45e6297c
sha1
bfa4bffb6cdbab7367c1d415f744ad2de6648884
sha256
2d66ef9a396d11538a879cab55fe117f8434603e3ca9d672eaa5f7a8a14fa376
sha512
e6550a0ea4d40b3bab522e654358abaa0c387fc57c9cb0e86979706a4b53731318d3b67a00830ec3b058830379f74d8bf1c1a8234ccb3cb1687a69e630f1b17c
ripemd-160
36f12ec93a384893f178dc804cee01f1e9ecfc53
Diameter
41463622
Circumference
130261810.26642
Area
1.3502816154807E+15
Volume
3.7325044331894E+22
Surface area
5.4011264619227E+15
Circumference
130261810.26642
Perimeter
82927244
Area
429807987339721
Diagonal
29319208.288756
Surface area
2578847924038326
Volume
8.9106979598175E+21
Space diagonal
35908549.984915
Perimeter
62195433
Area
1.8611231789283E+14
Altitude
17954274.992458
Surface area
1.8611231789283E+14
Volume
1.0501358254153E+21
Height
9773069.4295852