20408815 is an odd 8-digits composite number following 20408814
and preceding 20408816 . In scientific notation, it is written as 2.0408815 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 13957920 positive integers (up to 20408815) that are relatively prime to 20408815.
20408815 has 16 divisors, whose sum is 28062720
The reverse of 20408815 is 51880402
Previous prime number is 719
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred eight thousand eight hundred fifteen
Scientific notation
2.0408815 × 10^7
Engineering notation
2.0408815 × 10^6
Prime Factorization
5 × 7 × 719 × 811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20408815
Product of the distinct prime numbers
The prime factorization of 20408815 is 5 × 7 × 719 × 811.
Since it has a total of 4 prime factors.
5 , 10 , 72 , 14 , 178 , 422 , 3678 , 1716 , 95347 , 38031 , 589959 , 222478 , 5142731 , 3110826 , 28060828 , 183844 , 163010832 , 198659136 , 7997990241 , 6004484095
n×2
40817630
n×3
61226445
n×4
81635260
n×5
102044075
n÷2
10204407.5
n÷3
6802938.3333333
n÷3
5102203.75
n÷5
4081763
n2
416519729704225
n3
8.5006741073835E+21
n4
1.7348868523288E+29
n5
3.5406984815111E+36
2 √n
4517.6116477626
3 √n
273.27879224401
4 √n
67.213180610373
5 √n
28.971004780571
1 , 5 , 7 , 35 , 719 , 811 , 3595 , 4055 , 5033 , 5677 , 25165 , 28385 , 583109 , 2915545 , 4081763 , 20408815
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408815 can be divided by 16 positive divisors.
The sum of these divisors (counting 20408815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110100111101111
3
Ternary
1102101212122001
4
Quaternary
1031312213233
5
Quinary
20211040230
6
Senary
2005233131
8
Octal
115664757
10
Decimal
20408815
12
Duodecimal
6a027a7
16
Hexadecimal
13769ef
20
Vigesimal
67b20f
36
Base36
c5fjj
md5
495f43639d4269af78680785721a868e
sha1
67447fcff4a90d818ec53b64850572e7ab61889f
sha256
10b28f5b142da7ec5dfc818e346aad4cf74df1c2ef0f023f75863a3c0ecb5328
sha512
cd61924046febae1491c247c4981038ebafdfb6bd75e7140ca0a13e2d11b3af6f70cd6c185bb6898d1879cbc0be674204e9bebe2b618954a86a1551ff556dc0e
ripemd-160
e6125240902f5bd4f376c917ab1baf8809eeb289
Diameter
40817630
Circumference
128232366.54495
Area
1.308535322914E+15
Volume
3.5607540435089E+22
Surface area
5.234141291656E+15
Circumference
128232366.54495
Perimeter
81635260
Area
416519729704225
Diagonal
28862422.964963
Surface area
2499118378225350
Volume
8.5006741073835E+21
Space diagonal
35349104.502274
Perimeter
61226445
Area
1.8035833355064E+14
Altitude
17674552.251137
Surface area
1.8035833355064E+14
Volume
1.001814050998E+21
Height
9620807.6549878