20784894 is an even 8-digits composite number following 20784893
and preceding 20784895 . In scientific notation, it is written as 2.0784894 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 6370272 positive integers (up to 20784894) that are relatively prime to 20784894.
20784894 has 32 divisors, whose sum is 44943360
The reverse of 20784894 is 49848702
Previous prime number is 607
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred eighty-four thousand eight hundred ninety-four
Scientific notation
2.0784894 × 10^7
Engineering notation
2.0784894 × 10^6
Prime Factorization
2 × 3 × 13 × 607 × 439
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20784894
Product of the distinct prime numbers
The prime factorization of 20784894 is 2 × 3 × 13 × 607 × 439.
Since it has a total of 5 prime factors.
3 , 8 , 76 , 41 , 984 , 43 , 1839 , 4103 , 96650 , 69025 , 711979 , 248936 , 7840414 , 1224418 , 10076037 , 76470788 , 688369934 , 249361276 , 7933834760 , 8218482163
n×2
41569788
n×3
62354682
n×4
83139576
n×5
103924470
n÷2
10392447
n÷3
6928298
n÷3
5196223.5
n÷5
4156978.8
n2
432011818591236
n3
8.9793198561661E+21
n4
1.8663421140251E+29
n5
3.8791723007747E+36
2 √n
4559.0452947958
3 √n
274.94718104034
4 √n
67.520702712545
5 √n
29.076997746755
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 439 , 607 , 878 , 1214 , 1317 , 1821 , 2634 , 3642 , 5707 , 7891 , 11414 , 15782 , 17121 , 23673 , 34242 , 47346 , 266473 , 532946 , 799419 , 1598838 , 3464149 , 6928298 , 10392447 , 20784894
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
-20784893
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 20784894 can be divided by 32 positive divisors.
The sum of these divisors (counting 20784894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010010011011111110
3
Ternary
1110002222111220
4
Quaternary
1033102123332
5
Quinary
20310104034
6
Senary
2021254210
8
Octal
117223376
10
Decimal
20784894
12
Duodecimal
6b64366
16
Hexadecimal
13d26fe
20
Vigesimal
69i24e
36
Base36
cdhq6
md5
9b0a74d306e37d8b57f5709ee59eb8fe
sha1
4a1e4a520ea34a5ef1e12c1b10d1cd63e61cc028
sha256
2f892882c5eba1fde46809706580e1907dde8bbf8ea4c7e20c620b73dbd5ee56
sha512
b179fb282b278753cacbf87e960a6cde1c8604a87150a76633256e4c82610edf2a310a3202dc7b6828022004043b9b28f100e1f657c5ae22c1fc943af811a29f
ripemd-160
d58a75ac0937629a3ed4cb6b5f640ce9f49b0493
Diameter
41569788
Circumference
130595340.59209
Area
1.3572051555502E+15
Volume
3.7612487059152E+22
Surface area
5.4288206222008E+15
Circumference
130595340.59209
Perimeter
83139576
Area
432011818591236
Diagonal
29394278.987287
Surface area
2592070911547416
Volume
8.9793198561661E+21
Space diagonal
36000492.437934
Perimeter
62354682
Area
1.8706660481756E+14
Altitude
18000246.218967
Surface area
1.8706660481756E+14
Volume
1.0582229934563E+21
Height
9798092.9957624