20105091 is an odd 8-digits composite number following 20105090
and preceding 20105092 . In scientific notation, it is written as 2.0105091 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 12900384 positive integers (up to 20105091) that are relatively prime to 20105091.
20105091 has 32 divisors, whose sum is 31291200
The reverse of 20105091 is 19050102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred five thousand ninety-one
Scientific notation
2.0105091 × 10^7
Engineering notation
2.0105091 × 10^6
Prime Factorization
27 × 3 × 9 × 29 × 3 × 317
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
6701697
Product of the distinct prime numbers
The prime factorization of 20105091 is 27 × 3 × 9 × 29 × 3 × 317.
Since it has a total of 6 prime factors.
5 , 4 , 77 , 13 , 836 , 343 , 687 , 9871 , 37915 , 40216 , 851862 , 642240 , 3425981 , 1707525 , 30676236 , 57822830 , 610664907 , 480880597 , 9457399665 , 2494950585
n×2
40210182
n×3
60315273
n×4
80420364
n×5
100525455
n÷2
10052545.5
n÷3
6701697
n÷3
5026272.75
n÷5
4021018.2
n2
404214684118281
n3
8.1267730077343E+21
n4
1.6338951085684E+29
n5
3.2849609842223E+36
2 √n
4483.8700917846
3 √n
271.91636611957
4 √n
66.96170615945
5 √n
28.884257540111
1 , 3 , 9 , 27 , 29 , 81 , 87 , 243 , 261 , 317 , 729 , 783 , 951 , 2187 , 2349 , 2853 , 7047 , 8559 , 9193 , 21141 , 25677 , 27579 , 63423 , 77031 , 82737 , 231093 , 248211 , 693279 , 744633 , 2233899 , 6701697 , 20105091
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105091 can be divided by 32 positive divisors.
The sum of these divisors (counting 20105091) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101100011110000011
3
Ternary
1101211110000000
4
Quaternary
1030230132003
5
Quinary
20121330331
6
Senary
1554531043
8
Octal
114543603
10
Decimal
20105091
12
Duodecimal
6896a83
16
Hexadecimal
132c783
20
Vigesimal
65d2eb
36
Base36
byx6r
md5
77a6e1eef0a673fff2aeccb9a578cab5
sha1
7f98ceb658722d5c3e8a94c8920ebbb2c29cd114
sha256
480b82698a615313b130492647f0faa67820f9c4773e698d58de602fde2bcd5d
sha512
43b1ce88860e2f27eb5946660a8f8ccd70b9989bfe17e5352149a602fa7a63ab9ea0fd80e4569a398d38ed7bf47b4485dfe4e42f208a489c98c49518b1d32265
ripemd-160
8bb113d13f277a5f9aa4e6941c255cf2a7d7ded9
Diameter
40210182
Circumference
126324012.37071
Area
1.2698778820991E+15
Volume
3.404134717132E+22
Surface area
5.0795115283964E+15
Circumference
126324012.37071
Perimeter
80420364
Area
404214684118281
Diagonal
28432892.364945
Surface area
2425288104709686
Volume
8.1267730077343E+21
Space diagonal
34823039.102796
Perimeter
60315273
Area
1.7503009251457E+14
Altitude
17411519.551398
Surface area
1.7503009251457E+14
Volume
9.5774938382212E+20
Height
9477630.7883151