20155305 is an odd 8-digits composite number following 20155304
and preceding 20155306 . In scientific notation, it is written as 2.0155305 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10619328 positive integers (up to 20155305) that are relatively prime to 20155305.
20155305 has 16 divisors, whose sum is 32639040
The reverse of 20155305 is 50355102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifty-five thousand three hundred five
Scientific notation
2.0155305 × 10^7
Engineering notation
2.0155305 × 10^6
Prime Factorization
3 × 5 × 83 × 16189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155305
Product of the distinct prime numbers
The prime factorization of 20155305 is 3 × 5 × 83 × 16189.
Since it has a total of 4 prime factors.
1 , 1 , 69 , 38 , 622 , 245 , 9923 , 4194 , 56486 , 62536 , 388691 , 925896 , 3804698 , 5305390 , 90648848 , 14085775 , 728859949 , 263220133 , 5243142032 , 8419907891
n×2
40310610
n×3
60465915
n×4
80621220
n×5
100776525
n÷2
10077652.5
n÷3
6718435
n÷3
5038826.25
n÷5
4031061
n2
406236319643025
n3
8.1878169244827E+21
n4
1.6502794739711E+29
n5
3.3261886133127E+36
2 √n
4489.4660038806
3 √n
272.14255521176
4 √n
67.003477550651
5 √n
28.898671275296
1 , 3 , 5 , 15 , 83 , 249 , 415 , 1245 , 16189 , 48567 , 80945 , 242835 , 1343687 , 4031061 , 6718435 , 20155305
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
-20155304
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 20155305 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000101110101001
3
Ternary
1101220222212210
4
Quaternary
1030320232221
5
Quinary
20124432210
6
Senary
1555555333
8
Octal
114705651
10
Decimal
20155305
12
Duodecimal
68bbb49
16
Hexadecimal
1338ba9
20
Vigesimal
65j855
36
Base36
bzzxl
md5
0ec71353efaaecc27c69e3eb788e1563
sha1
bbb4d4497758c16c7682a06c7cab4414dcdc175a
sha256
570e57d7fcd38646a091dee181fc5c25aae90c50d3b77155b5af932ba0c262db
sha512
dadaa060002e6bc7e8a0c7b7227cfcdd21ec20fa7d9ba49b5b4f72775fab5a1e214660bcbd868550ef77f7546245daa629792010302bb09f03bef20600ccc1c8
ripemd-160
4d647500ddf1f8ae34c58d9e85d5ac9a407ef3df
Diameter
40310610
Circumference
126639516.23772
Area
1.2762290374119E+15
Volume
3.4297047331857E+22
Surface area
5.1049161496475E+15
Circumference
126639516.23772
Perimeter
80621220
Area
406236319643025
Diagonal
28503905.684766
Surface area
2437417917858150
Volume
8.1878169244827E+21
Space diagonal
34910012.302047
Perimeter
60465915
Area
1.7590548637538E+14
Altitude
17455006.151024
Surface area
1.7590548637538E+14
Volume
9.6494347840261E+20
Height
9501301.8949221