20723644 is an even 8-digits composite number following 20723643
and preceding 20723645 . In scientific notation, it is written as 2.0723644 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 9911264 positive integers (up to 20723644) that are relatively prime to 20723644.
20723644 has 12 divisors, whose sum is 37843344
The reverse of 20723644 is 44632702
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred twenty-three thousand six hundred forty-four
Scientific notation
2.0723644 × 10^7
Engineering notation
2.0723644 × 10^6
Prime Factorization
2 × 2 × 23 × 225257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10361822
Product of the distinct prime numbers
The prime factorization of 20723644 is 2 × 2 × 23 × 225257.
Since it has a total of 4 prime factors.
9 , 6 , 3 , 89 , 57 , 680 , 3211 , 7685 , 29476 , 29695 , 198081 , 936511 , 9795156 , 2202258 , 88265035 , 38931819 , 932907267 , 864182035 , 1366725274 , 1291863428
n×2
41447288
n×3
62170932
n×4
82894576
n×5
103618220
n÷2
10361822
n÷3
6907881.3333333
n÷3
5180911
n÷5
4144728.8
n2
429469420638736
n3
8.9001713822034E+21
n4
1.8444398326377E+29
n5
3.8223514471004E+36
2 √n
4552.3229235194
3 √n
274.67683912535
4 √n
67.470904273764
5 √n
29.059840390758
1 , 2 , 4 , 23 , 46 , 92 , 225257 , 450514 , 901028 , 5180911 , 10361822 , 20723644
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
-20723643
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 20723644 can be divided by 12 positive divisors.
The sum of these divisors (counting 20723644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111000011011110111100
3
Ternary
1102222212111101
4
Quaternary
1033003132330
5
Quinary
20301124034
6
Senary
2020102444
8
Octal
117033674
10
Decimal
20723644
12
Duodecimal
6b34a24
16
Hexadecimal
13c37bc
20
Vigesimal
69a924
36
Base36
cc6gs
md5
c007a8f8a941df23f1b98d7e87ec0f02
sha1
c11e4f6cb9dcc2f993378e322650d68e34939bb2
sha256
1a8423e825b47f07b3c6a3dff1ea1e38b600b0d977974d4d2872de5eb3943060
sha512
7a33f3c363fa255a39ef75ae70e304942f55981014c00ed0ff55718f91474f9571109555d4e67751bc16667ed65342b275fa004da8c9373a10caecfdae31d5be
ripemd-160
3014975eed3b72e6c6268521f19a8a9c2da14a66
Diameter
41447288
Circumference
130210495.49202
Area
1.3492179768201E+15
Volume
3.7280950706694E+22
Surface area
5.3968719072805E+15
Circumference
130210495.49202
Perimeter
82894576
Area
429469420638736
Diagonal
29307658.406592
Surface area
2576816523832416
Volume
8.9001713822034E+21
Space diagonal
35894404.32597
Perimeter
62170932
Area
1.8596571421087E+14
Altitude
17947202.162985
Surface area
1.8596571421087E+14
Volume
1.0488952563464E+21
Height
9769219.4688639