20946540 is an even 8-digits composite number following 20946539
and preceding 20946541 . In scientific notation, it is written as 2.0946540 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 5585728 positive integers (up to 20946540) that are relatively prime to 20946540.
20946540 has 12 divisors, whose sum is 39100320
The reverse of 20946540 is 04564902
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred forty-six thousand five hundred forty
Scientific notation
2.0946540 × 10^7
Engineering notation
2.0946540 × 10^6
Prime Factorization
2 × 2 × 15 × 349109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10473270
Product of the distinct prime numbers
The prime factorization of 20946540 is 2 × 2 × 15 × 349109.
Since it has a total of 4 prime factors.
7 , 4 , 2 , 80 , 384 , 535 , 4739 , 4136 , 68950 , 48222 , 901421 , 116873 , 151011 , 7363162 , 88296662 , 7117151 , 216872821 , 28320371 , 2131343113 , 7076436997
n×2
41893080
n×3
62839620
n×4
83786160
n×5
104732700
n÷2
10473270
n÷3
6982180
n÷3
5236635
n÷5
4189308
n2
438757537971600
n3
9.1904523194236E+21
n4
1.925081771269E+29
n5
4.0323802325157E+36
2 √n
4576.739013752
3 √n
275.65810427089
4 √n
67.651600230534
5 √n
29.122084594396
1 , 2 , 4 , 15 , 30 , 60 , 349109 , 698218 , 1396436 , 5236635 , 10473270 , 20946540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20946539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20946540 can be divided by 12 positive divisors.
The sum of these divisors (counting 20946540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111111001111001101100
3
Ternary
1110102012020210
4
Quaternary
1033321321230
5
Quinary
20330242130
6
Senary
2024542420
8
Octal
117717154
10
Decimal
20946540
12
Duodecimal
7021a10
16
Hexadecimal
13f9e6c
20
Vigesimal
6ai670
36
Base36
cgygc
md5
4de3902e528b32762e241dc30753eda9
sha1
21c86ce3dd05af3d46c36015e33201b3555fa339
sha256
d18f2955f242dcac6b4ea5376a1a96082572669191ee7ea6db4ae5511fc048ba
sha512
61330b58f16700638793dc7ce3af020b9a11566d888a52b1d9053b80325052d3a2f8d7aa91ab24f299084233bc390394af3598e6f40d3a242f801beac3e037e6
ripemd-160
81e2709c76c643cc16b54b82e8db23c6374f08b0
Diameter
41893080
Circumference
131610992.36425
Area
1.3783974579987E+15
Volume
3.8496876653158E+22
Surface area
5.5135898319949E+15
Circumference
131610992.36425
Perimeter
83786160
Area
438757537971600
Diagonal
29622880.952791
Surface area
2632545227829600
Volume
9.1904523194236E+21
Space diagonal
36280471.522774
Perimeter
62839620
Area
1.8998758699266E+14
Altitude
18140235.761387
Surface area
1.8998758699266E+14
Volume
1.0831051928727E+21
Height
9874293.6509302