20784530 is an even 8-digits composite number following 20784529
and preceding 20784531 . In scientific notation, it is written as 2.0784530 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7545600 positive integers (up to 20784530) that are relatively prime to 20784530.
20784530 has 16 divisors, whose sum is 32187672
The reverse of 20784530 is 03548702
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million seven hundred eighty-four thousand five hundred thirty
Scientific notation
2.0784530 × 10^7
Engineering notation
2.0784530 × 10^6
Prime Factorization
2 × 65 × 61 × 2621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20784530
Product of the distinct prime numbers
The prime factorization of 20784530 is 2 × 65 × 61 × 2621.
Since it has a total of 4 prime factors.
7 , 7 , 84 , 71 , 431 , 896 , 4740 , 3176 , 62423 , 82702 , 637834 , 139298 , 6889019 , 5524506 , 89306485 , 6097829 , 167922461 , 749764001 , 8763939934 , 4160275102
n×2
41569060
n×3
62353590
n×4
83138120
n×5
103922650
n÷2
10392265
n÷3
6928176.6666667
n÷3
5196132.5
n÷5
4156906
n2
431996687320900
n3
8.9788481075219E+21
n4
1.8662113785623E+29
n5
3.878832638407E+36
2 √n
4559.0053739824
3 √n
274.94557600677
4 √n
67.520407092836
5 √n
29.076895902586
1 , 2 , 61 , 65 , 122 , 130 , 2621 , 3965 , 5242 , 7930 , 159881 , 170365 , 319762 , 340730 , 10392265 , 20784530
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
-20784529
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 20784530 can be divided by 16 positive divisors.
The sum of these divisors (counting 20784530) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010010110010010
3
Ternary
1110002222000102
4
Quaternary
1033102112102
5
Quinary
20310101110
6
Senary
2021252402
8
Octal
117222622
10
Decimal
20784530
12
Duodecimal
6b64102
16
Hexadecimal
13d2592
20
Vigesimal
69i16a
36
Base36
cdhg2
md5
cb396315d73ca3352cd683a3ebd0712d
sha1
be3d748dec9e90abec4c9d8b1c96582b116198d9
sha256
5802032ead978ffb932a2cbcf129366e7a68e4ef59e6f8e0993a9d34e97b840d
sha512
c44d6b459800e19701536a64e549cdaf39c246129109864caec71e2f7d6656cb036a63cf7849f26b8ee29e496c8f4d2c4badb6d48a3c39c8f0edd4ba3d57c17a
ripemd-160
f6f5dda3cc0ce2d1537ee1e9644f731dcbf74e6c
Diameter
41569060
Circumference
130593053.51263
Area
1.3571576192625E+15
Volume
3.7610511003052E+22
Surface area
5.4286304770499E+15
Circumference
130593053.51263
Perimeter
83138120
Area
431996687320900
Diagonal
29393764.21355
Surface area
2591980123925400
Volume
8.9788481075219E+21
Space diagonal
35999861.97144
Perimeter
62353590
Area
1.8706005278531E+14
Altitude
17999930.98572
Surface area
1.8706005278531E+14
Volume
1.0581673973455E+21
Height
9797921.4045168