20784872 is an even 8-digits composite number following 20784871
and preceding 20784873 . In scientific notation, it is written as 2.0784872 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors.
There are 10392432 positive integers (up to 20784872) that are relatively prime to 20784872.
20784872 has 8 divisors, whose sum is 38971650
The reverse of 20784872 is 27848702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million seven hundred eighty-four thousand eight hundred seventy-two
Scientific notation
2.0784872 × 10^7
Engineering notation
2.0784872 × 10^6
Prime Factorization
2 × 2 × 2 × 2598109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5196218
Product of the distinct prime numbers
The prime factorization of 20784872 is 2 × 2 × 2 × 2598109.
Since it has a total of 4 prime factors.
4 , 3 , 18 , 59 , 256 , 415 , 6311 , 2364 , 3713 , 34503 , 401910 , 616459 , 9490279 , 1647391 , 32826387 , 1717936 , 276951181 , 674189443 , 8111270253 , 4275241323
n×2
41569744
n×3
62354616
n×4
83139488
n×5
103924360
n÷2
10392436
n÷3
6928290.6666667
n÷3
5196218
n÷5
4156974.4
n2
432010904056384
n3
8.9792913434162E+21
n4
1.8663342122361E+29
n5
3.8791517710549E+36
2 √n
4559.0428820093
3 √n
274.94708403335
4 √n
67.52068484553
5 √n
29.076991591379
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20784871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20784872 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784872) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010011011101000
3
Ternary
1110002222111002
4
Quaternary
1033102123220
5
Quinary
20310103442
6
Senary
2021254132
8
Octal
117223350
10
Decimal
20784872
12
Duodecimal
6b64348
16
Hexadecimal
13d26e8
20
Vigesimal
69i23c
36
Base36
cdhpk
md5
b147bc9efa90a752325cee573a5aeba7
sha1
22d08c7b8596e59b46f8ec51f24f1c9dc5d92c6f
sha256
13deaf79957932437d4b43ed9f43c05534d104fa500bf7c51b9012c9fb7c109a
sha512
93ca1d53dadfb8e93a6a77c087e158cd5fc8a5b67cc215c814092185ea61a6f9658912e1cb39e63b41f7a8fb0ac8eecdd47d5ecfb4d01bbe833dfd78857525cc
ripemd-160
60526d990590e77edb51732c04cf3832d56b6fbf
Diameter
41569744
Circumference
130595202.36201
Area
1.3572022824542E+15
Volume
3.7612367625225E+22
Surface area
5.4288091298169E+15
Circumference
130595202.36201
Perimeter
83139488
Area
432010904056384
Diagonal
29394247.874589
Surface area
2592065424338304
Volume
8.9792913434162E+21
Space diagonal
36000454.332816
Perimeter
62354616
Area
1.8706620881236E+14
Altitude
18000227.166408
Surface area
1.8706620881236E+14
Volume
1.0582196331965E+21
Height
9798082.6248629