20408445 is an odd 8-digits composite number following 20408444
and preceding 20408446 . In scientific notation, it is written as 2.0408445 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 10378368 positive integers (up to 20408445) that are relatively prime to 20408445.
20408445 has 32 divisors, whose sum is 28512000
The reverse of 20408445 is 54480402
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred eight thousand four hundred forty-five
Scientific notation
2.0408445 × 10^7
Engineering notation
2.0408445 × 10^6
Prime Factorization
9 × 5 × 53 × 43 × 199
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20408445
Product of the distinct prime numbers
The prime factorization of 20408445 is 9 × 5 × 53 × 43 × 199.
Since it has a total of 5 prime factors.
3 , 10 , 25 , 25 , 149 , 823 , 305 , 6137 , 38580 , 71762 , 795050 , 872838 , 2421710 , 4856056 , 35578071 , 89686333 , 152909594 , 704080588 , 9043060729 , 4303087550
n×2
40816890
n×3
61225335
n×4
81633780
n×5
102042225
n÷2
10204222.5
n÷3
6802815
n÷3
5102111.25
n÷5
4081689
n2
416504627318025
n3
8.5002117788654E+21
n4
1.7347610457733E+29
n5
3.5403775390806E+36
2 √n
4517.5706967351
3 √n
273.27714077193
4 √n
67.212875974289
5 √n
28.970899734301
1 , 5 , 9 , 43 , 45 , 53 , 199 , 215 , 265 , 387 , 477 , 995 , 1791 , 1935 , 2279 , 2385 , 8557 , 8955 , 10547 , 11395 , 20511 , 42785 , 52735 , 77013 , 94923 , 102555 , 385065 , 453521 , 474615 , 2267605 , 4081689 , 20408445
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
-20408444
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 20408445 can be divided by 32 positive divisors.
The sum of these divisors (counting 20408445) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110110100001111101
3
Ternary
1102101212010100
4
Quaternary
1031312201331
5
Quinary
20211032240
6
Senary
2005231313
8
Octal
115664175
10
Decimal
20408445
12
Duodecimal
6a02539
16
Hexadecimal
137687d
20
Vigesimal
67b125
36
Base36
c5f99
md5
fa496aece1b9f290665fca561af61059
sha1
b96e2c1086fce7e050b1b7e5233f73f180a03fb3
sha256
d669f75cdb7437c729b86d972b8e4fc89bfc0cc4869dce979dde3a93db15ee37
sha512
d5e787c9c57feedf0834c202b86e53122d1af995a048c72895311b3c18afd77e9adc67cff19a8474883f620a40be8c4a46154eeb0b1ec5e52f00e651c76cdecb
ripemd-160
a7630933d2004055a7d1471210f899e23929db45
Diameter
40816890
Circumference
128230041.76638
Area
1.3084878773685E+15
Volume
3.5605603837921E+22
Surface area
5.2339515094738E+15
Circumference
128230041.76638
Perimeter
81633780
Area
416504627318025
Diagonal
28861899.705945
Surface area
2499027763908150
Volume
8.5002117788654E+21
Space diagonal
35348463.643475
Perimeter
61225335
Area
1.8035179402559E+14
Altitude
17674231.821738
Surface area
1.8035179402559E+14
Volume
1.0017595650596E+21
Height
9620633.2353151