20831418 is an even 8-digits composite number following 20831417
and preceding 20831419 . In scientific notation, it is written as 2.0831418 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6943644 positive integers (up to 20831418) that are relatively prime to 20831418.
20831418 has 24 divisors, whose sum is 46807488
The reverse of 20831418 is 81413802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred thirty-one thousand four hundred eighteen
Scientific notation
2.0831418 × 10^7
Engineering notation
2.0831418 × 10^6
Prime Factorization
2 × 9 × 9 × 3 × 42863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2314602
Product of the distinct prime numbers
The prime factorization of 20831418 is 2 × 9 × 9 × 3 × 42863.
Since it has a total of 5 prime factors.
1 , 3 , 22 , 81 , 992 , 831 , 7885 , 5438 , 80246 , 35251 , 482960 , 244917 , 3710654 , 1287043 , 21876262 , 4413370 , 325125614 , 263412359 , 1324728251 , 8204025290
n×2
41662836
n×3
62494254
n×4
83325672
n×5
104157090
n÷2
10415709
n÷3
6943806
n÷3
5207854.5
n÷5
4166283.6
n2
433947975890724
n3
9.0397516760336E+21
n4
1.8831084577966E+29
n5
3.9227819423696E+36
2 √n
4564.1448267994
3 √n
275.15217142769
4 √n
67.558454887597
5 √n
29.090003044423
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 243 , 486 , 42863 , 85726 , 128589 , 257178 , 385767 , 771534 , 1157301 , 2314602 , 3471903 , 6943806 , 10415709 , 20831418
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20831417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20831418 can be divided by 24 positive divisors.
The sum of these divisors (counting 20831418) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111011101110010111010
3
Ternary
1110012100100000
4
Quaternary
1033131302322
5
Quinary
20313101133
6
Senary
2022253430
8
Octal
117356272
10
Decimal
20831418
12
Duodecimal
6b87276
16
Hexadecimal
13ddcba
20
Vigesimal
6a3iai
36
Base36
cehmi
md5
7e33d545c8783c09f6595a216f11d0d7
sha1
080fcd6f6293ee160bcfb1c9b75e245cc9f3ffe7
sha256
bf6c8a1ee74178bb21c3ca21a6d6c7fa003d2d7dfb1d18cbc66883aa612687c8
sha512
ef6fbaad9a180aa78050434675c768f11a8273de3facb6207354c69ee95f844d2a29617a4547b75f63fd79e28dfb221c2e23b526ce1281d80ff31704aa2c6c5b
ripemd-160
b3a6e5e9ca16e1d2b1e20d77838a52a4aabc4459
Diameter
41662836
Circumference
130887659.50532
Area
1.3632877730985E+15
Volume
3.7865623274271E+22
Surface area
5.4531510923938E+15
Circumference
130887659.50532
Perimeter
83325672
Area
433947975890724
Diagonal
29460073.859063
Surface area
2603687855344344
Volume
9.0397516760336E+21
Space diagonal
36081074.369705
Perimeter
62494254
Area
1.879049855211E+14
Altitude
18040537.184852
Surface area
1.879049855211E+14
Volume
1.0653449517276E+21
Height
9820024.6196877