20111855 is an odd 8-digits composite number following 20111854
and preceding 20111856 . In scientific notation, it is written as 2.0111855 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16089480 positive integers (up to 20111855) that are relatively prime to 20111855.
20111855 has 4 divisors, whose sum is 24134232
The reverse of 20111855 is 55811102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eleven thousand eight hundred fifty-five
Scientific notation
2.0111855 × 10^7
Engineering notation
2.0111855 × 10^6
Prime Factorization
5 × 4022371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20111855
Product of the distinct prime numbers
The prime factorization of 20111855 is 5 × 4022371.
Since it has a total of 2 prime factors.
4 , 10 , 41 , 37 , 52 , 521 , 1918 , 2847 , 77842 , 31145 , 845358 , 510707 , 5986880 , 2862003 , 75923165 , 1850987 , 632361599 , 849197057 , 7614562305 , 3669161896
n×2
40223710
n×3
60335565
n×4
80447420
n×5
100559275
n÷2
10055927.5
n÷3
6703951.6666667
n÷3
5027963.75
n÷5
4022371
n2
404486711541025
n3
8.1349780919399E+21
n4
1.6360949981327E+29
n5
3.2904905368671E+36
2 √n
4484.6242874961
3 √n
271.94685650761
4 √n
66.967337467575
5 √n
28.886200797482
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
-20111854
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 20111855 can be divided by 4 positive divisors.
The sum of these divisors (counting 20111855) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101110000111101111
3
Ternary
1101211210021112
4
Quaternary
1030232013233
5
Quinary
20122034410
6
Senary
1555022235
8
Octal
114560757
10
Decimal
20111855
12
Duodecimal
689a97b
16
Hexadecimal
132e1ef
20
Vigesimal
65djcf
36
Base36
bz2en
md5
fbc1537270f0ba46564c76995d0fc5ea
sha1
bbe719d43a8b88103cd044afa9ad60d59d2049c0
sha256
5cb5e9588b5f9499edd35f743bd9343101e715087bd5c2454f934912fdd05ab1
sha512
a43296641f6342d2029d36a56c80b7cadfedd961772b4d851065d7504370c75630aff6bca8b186785ea4f7fa88921fb952f2a768001412443edbc77b111952a7
ripemd-160
a2035ef30dce66bd79ea78dd302ba444617a3831
Diameter
40223710
Circumference
126366511.83613
Area
1.270732481452E+15
Volume
3.407571654767E+22
Surface area
5.0829299258079E+15
Circumference
126366511.83613
Perimeter
80447420
Area
404486711541025
Diagonal
28442458.105481
Surface area
2426920269246150
Volume
8.1349780919399E+21
Space diagonal
34834754.694458
Perimeter
60335565
Area
1.7514788384388E+14
Altitude
17417377.347229
Surface area
1.7514788384388E+14
Volume
9.5871636226912E+20
Height
9480819.3684937