20784920 is an even 8-digits composite number following 20784919
and preceding 20784921 . In scientific notation, it is written as 2.0784920 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 7674240 positive integers (up to 20784920) that are relatively prime to 20784920.
20784920 has 32 divisors, whose sum is 50364720
The reverse of 20784920 is 02948702
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred eighty-four thousand nine hundred twenty
Scientific notation
2.0784920 × 10^7
Engineering notation
2.0784920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 39971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5196230
Product of the distinct prime numbers
The prime factorization of 20784920 is 2 × 2 × 2 × 5 × 13 × 39971.
Since it has a total of 6 prime factors.
4 , 6 , 89 , 69 , 154 , 978 , 4394 , 4252 , 40497 , 97471 , 50776 , 960384 , 1128377 , 5764896 , 37362828 , 70476548 , 622002554 , 182508356 , 5122935143 , 9978485262
n×2
41569840
n×3
62354760
n×4
83139680
n×5
103924600
n÷2
10392460
n÷3
6928306.6666667
n÷3
5196230
n÷5
4156984
n2
432012899406400
n3
8.9793535531301E+21
n4
1.8663514525352E+29
n5
3.8791965632829E+36
2 √n
4559.0481462691
3 √n
274.94729568488
4 √n
67.520723828089
5 √n
29.077005021284
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 39971 , 79942 , 159884 , 199855 , 319768 , 399710 , 519623 , 799420 , 1039246 , 1598840 , 2078492 , 2598115 , 4156984 , 5196230 , 10392460 , 20784920
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
-20784919
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 20784920 can be divided by 32 positive divisors.
The sum of these divisors (counting 20784920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010010011100011000
3
Ternary
1110002222112212
4
Quaternary
1033102130120
5
Quinary
20310104140
6
Senary
2021254252
8
Octal
117223430
10
Decimal
20784920
12
Duodecimal
6b64388
16
Hexadecimal
13d2718
20
Vigesimal
69i260
36
Base36
cdhqw
md5
b9fc136be9cc6d2d7e7a85adf543e527
sha1
a478b0af7c8903d9d83f2124c457f23e40931e75
sha256
10edd448df14a3987b574549334eef05651113ba54ece358a4365873a6e0ec13
sha512
7102f7fa9df7742ecabf8ad45a81d295757f15e78f030edaafbb97059b55f863283fcb2d5bed915e3d0c4b6a54445b4415e137fa031400ff59c21259a0ced882
ripemd-160
2d0bdb4b1ab721c1d0e829cb7779221a406f8bb0
Diameter
41569840
Circumference
130595503.9549
Area
1.3572085510312E+15
Volume
3.7612628208665E+22
Surface area
5.4288342041247E+15
Circumference
130595503.9549
Perimeter
83139680
Area
432012899406400
Diagonal
29394315.75684
Surface area
2592077396438400
Volume
8.9793535531301E+21
Space diagonal
36000537.471255
Perimeter
62354760
Area
1.8706707282426E+14
Altitude
18000268.735627
Surface area
1.8706707282426E+14
Volume
1.0582269646816E+21
Height
9798105.2522799