20804940 is an even 8-digits composite number following 20804939
and preceding 20804941 . In scientific notation, it is written as 2.0804940 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 4810752 positive integers (up to 20804940) that are relatively prime to 20804940.
20804940 has 24 divisors, whose sum is 39335632
The reverse of 20804940 is 04940802
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred four thousand nine hundred forty
Scientific notation
2.0804940 × 10^7
Engineering notation
2.0804940 × 10^6
Prime Factorization
2 × 2 × 765 × 13 × 523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10402470
Product of the distinct prime numbers
The prime factorization of 20804940 is 2 × 2 × 765 × 13 × 523.
Since it has a total of 5 prime factors.
8 , 2 , 46 , 32 , 114 , 28 , 1178 , 8616 , 64647 , 33875 , 628668 , 935149 , 8150205 , 2253221 , 3972662 , 82720536 , 208803913 , 412617066 , 9720919966 , 8572414737
n×2
41609880
n×3
62414820
n×4
83219760
n×5
104024700
n÷2
10402470
n÷3
6934980
n÷3
5201235
n÷5
4160988
n2
432845528403600
n3
9.0053252477052E+21
n4
1.8735525145899E+29
n5
3.8979147652892E+36
2 √n
4561.2432515708
3 √n
275.03554361517
4 √n
67.536976920579
5 √n
29.082604248903
1 , 2 , 4 , 13 , 26 , 52 , 523 , 765 , 1046 , 1530 , 2092 , 3060 , 6799 , 9945 , 13598 , 19890 , 27196 , 39780 , 400095 , 800190 , 1600380 , 5201235 , 10402470 , 20804940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20804940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010111010101001100
3
Ternary
1110011000000100
4
Quaternary
1033113111030
5
Quinary
20311224230
6
Senary
2021531100
8
Octal
117272514
10
Decimal
20804940
12
Duodecimal
6b73a90
16
Hexadecimal
13d754c
20
Vigesimal
6a0c70
36
Base36
cdx70
md5
4106602f5395adc0351a56763799719c
sha1
b672c61380d810c8b13ed101df7e6bda80448ac6
sha256
0b7d27cd6fb55abbbad06b8fe678306adf44ddb87e3d61f6cce0df3b38c38237
sha512
c9a5704280a6c6936a46b6f2e794f69dd75d5f16cbb475f1c1b692de789618fe98e1a9b39fd6f44affef865cc616635f74bd3ea06e7d7dd57562e769b46062cb
ripemd-160
bef8e78cb988bd18f1eae764947edf3c90d87641
Diameter
41609880
Circumference
130721293.32475
Area
1.3598243321719E+15
Volume
3.7721418188503E+22
Surface area
5.4392973286878E+15
Circumference
130721293.32475
Perimeter
83219760
Area
432845528403600
Diagonal
29422628.312359
Surface area
2597073170421600
Volume
9.0053252477052E+21
Space diagonal
36035213.128422
Perimeter
62414820
Area
1.8742761175601E+14
Altitude
18017606.564211
Surface area
1.8742761175601E+14
Volume
1.0612877582405E+21
Height
9807542.7707862