20408521 is an odd 8-digits composite number following 20408520
and preceding 20408522 . In scientific notation, it is written as 2.0408521 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 16732320 positive integers (up to 20408521) that are relatively prime to 20408521.
20408521 has 8 divisors, whose sum is 24338304
The reverse of 20408521 is 12580402
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred eight thousand five hundred twenty-one
Scientific notation
2.0408521 × 10^7
Engineering notation
2.0408521 × 10^6
Prime Factorization
7 × 23 × 126761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408521
Product of the distinct prime numbers
The prime factorization of 20408521 is 7 × 23 × 126761.
Since it has a total of 3 prime factors.
7 , 9 , 32 , 3 , 303 , 227 , 7844 , 7186 , 42712 , 84224 , 606758 , 544114 , 6546205 , 3253099 , 69428290 , 53346094 , 540408986 , 208447608 , 5821772668 , 1286020326
n×2
40817042
n×3
61225563
n×4
81634084
n×5
102042605
n÷2
10204260.5
n÷3
6802840.3333333
n÷3
5102130.25
n÷5
4081704.2
n2
416507729407441
n3
8.5003067422741E+21
n4
1.7347868865614E+29
n5
3.5404434604913E+36
2 √n
4517.5791083278
3 √n
273.27747999485
4 √n
67.212938548525
5 √n
28.970921311497
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408521 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408521) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110100011001001
3
Ternary
1102101212020011
4
Quaternary
1031312203021
5
Quinary
20211033041
6
Senary
2005231521
8
Octal
115664311
10
Decimal
20408521
12
Duodecimal
6a025a1
16
Hexadecimal
13768c9
20
Vigesimal
67b161
36
Base36
c5fbd
md5
45d11757724ffb9a93a96fdff3d57e5f
sha1
ee75c1f4ffbb643cdacc7938c8f711fab40b16f8
sha256
31e56ec46c96e44627250af6aec1a3a378661ca02446c8543f6aa60983da3324
sha512
9868125033afbfd61f6015055d5260bee17a3cce6acd9c0071948da6924e731f4187667e38931faaf977f23793343c2cac067815c36b75509e96bec072af080f
ripemd-160
2425f6696820c27b2ba574620f9011cc953f719f
Diameter
40817042
Circumference
128230519.28847
Area
1.3084976228698E+15
Volume
3.5606001619717E+22
Surface area
5.2339904914791E+15
Circumference
128230519.28847
Perimeter
81634084
Area
416507729407441
Diagonal
28862007.186176
Surface area
2499046376444646
Volume
8.5003067422741E+21
Space diagonal
35348595.279336
Perimeter
61225563
Area
1.8035313726971E+14
Altitude
17674297.639668
Surface area
1.8035313726971E+14
Volume
1.0017707566046E+21
Height
9620669.0620587