20784930 is an even 8-digits composite number following 20784929
and preceding 20784931 . In scientific notation, it is written as 2.0784930 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5529216 positive integers (up to 20784930) that are relatively prime to 20784930.
20784930 has 16 divisors, whose sum is 33336576
The reverse of 20784930 is 03948702
Previous prime number is 953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred eighty-four thousand nine hundred thirty
Scientific notation
2.0784930 × 10^7
Engineering notation
2.0784930 × 10^6
Prime Factorization
2 × 15 × 953 × 727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20784930
Product of the distinct prime numbers
The prime factorization of 20784930 is 2 × 15 × 953 × 727.
Since it has a total of 4 prime factors.
2 , 3 , 11 , 1 , 864 , 887 , 2794 , 772 , 16703 , 73592 , 321527 , 33189 , 7711534 , 7058364 , 66679222 , 54198303 , 813139996 , 203643181 , 589178823 , 1383305310
n×2
41569860
n×3
62354790
n×4
83139720
n×5
103924650
n÷2
10392465
n÷3
6928310
n÷3
5196232.5
n÷5
4156986
n2
432013315104900
n3
8.9793665135233E+21
n4
1.8663550442793E+29
n5
3.8792058950491E+36
2 √n
4559.0492429892
3 √n
274.94733977891
4 √n
67.520731949448
5 √n
29.077007819178
1 , 2 , 15 , 30 , 727 , 953 , 1454 , 1906 , 10905 , 14295 , 21810 , 28590 , 692831 , 1385662 , 10392465 , 20784930
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
-20784929
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 20784930 can be divided by 16 positive divisors.
The sum of these divisors (counting 20784930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010011100100010
3
Ternary
1110002222120020
4
Quaternary
1033102130202
5
Quinary
20310104210
6
Senary
2021254310
8
Octal
117223442
10
Decimal
20784930
12
Duodecimal
6b64396
16
Hexadecimal
13d2722
20
Vigesimal
69i26a
36
Base36
cdhr6
md5
7d39ed99d78bcf955fc8a65bb0b50c11
sha1
a77f159480f3a944768ca7d9834254dd32471603
sha256
f858ee124da23d81fa52b376ed84efe15e396b1214b1a2d855c2eddade9f7941
sha512
ccfb25a0220ee8fac5fb8bad121952ba0baa31e811d828a37766420ca63df6046b632bbd6e588fcc5daba93bbe070b2ecf364e94132fc3427429159a34fc8ae9
ripemd-160
9e4ab1a6ea14f2637229eeaa56ec46cad2e3b95a
Diameter
41569860
Circumference
130595566.78676
Area
1.3572098569865E+15
Volume
3.7612682497033E+22
Surface area
5.4288394279461E+15
Circumference
130595566.78676
Perimeter
83139720
Area
432013315104900
Diagonal
29394329.898975
Surface area
2592079890629400
Volume
8.9793665135233E+21
Space diagonal
36000554.791763
Perimeter
62354790
Area
1.8706725282699E+14
Altitude
18000277.395881
Surface area
1.8706725282699E+14
Volume
1.0582284920786E+21
Height
9798109.9663251