20105746 is an even 8-digits composite number following 20105745
and preceding 20105747 . In scientific notation, it is written as 2.0105746 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10052872 positive integers (up to 20105746) that are relatively prime to 20105746.
20105746 has 4 divisors, whose sum is 30158622
The reverse of 20105746 is 64750102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred five thousand seven hundred forty-six
Scientific notation
2.0105746 × 10^7
Engineering notation
2.0105746 × 10^6
Prime Factorization
2 × 10052873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20105746
Product of the distinct prime numbers
The prime factorization of 20105746 is 2 × 10052873.
Since it has a total of 2 prime factors.
2 , 4 , 10 , 17 , 687 , 22 , 3586 , 4297 , 44050 , 15407 , 287733 , 720598 , 515164 , 739849 , 85207217 , 51556279 , 614445115 , 519187369 , 8541358885 , 4360557517
n×2
40211492
n×3
60317238
n×4
80422984
n×5
100528730
n÷2
10052873
n÷3
6701915.3333333
n÷3
5026436.5
n÷5
4021149.2
n2
404241022216516
n3
8.1275673154656E+21
n4
1.6341080404265E+29
n5
3.2854961197374E+36
2 √n
4483.9431307723
3 √n
271.91931899165
4 √n
66.962251536013
5 √n
28.884445740624
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
-20105745
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 20105746 can be divided by 4 positive divisors.
The sum of these divisors (counting 20105746) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100101000010010
3
Ternary
1101211110220021
4
Quaternary
1030230220102
5
Quinary
20121340441
6
Senary
1554534054
8
Octal
114545022
10
Decimal
20105746
12
Duodecimal
689732a
16
Hexadecimal
132ca12
20
Vigesimal
65d476
36
Base36
byxoy
md5
d3e27872b3a6d69d3e2c1af240f4fc6b
sha1
132fd7603b0cbe306109565ef35f3ea2e760c755
sha256
91e0e3b2d229fa836d7dfac01b4c6b5f256f84f3b4450b1867e01c59e8a6eccb
sha512
29f30cc6ad9a8ce7ac71bbcfc1dc95dcd5797d0741048f6b98c53c09a3824e58ef3eebb48d4092fdae22306d5de2311dd13e1251d97fc3482fbb78004728f5cb
ripemd-160
471299f6b112c7ac919676468368b5b8a7f3d612
Diameter
40211492
Circumference
126328127.85708
Area
1.269960625675E+15
Volume
3.4044674359764E+22
Surface area
5.0798425027001E+15
Circumference
126328127.85708
Perimeter
80422984
Area
404241022216516
Diagonal
28433818.674829
Surface area
2425446133299096
Volume
8.1275673154656E+21
Space diagonal
34824173.596075
Perimeter
60317238
Area
1.7504149724565E+14
Altitude
17412086.798037
Surface area
1.7504149724565E+14
Volume
9.5784299388598E+20
Height
9477939.5582762