20831331 is an odd 8-digits composite number following 20831330
and preceding 20831332 . In scientific notation, it is written as 2.0831331 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13887552 positive integers (up to 20831331) that are relatively prime to 20831331.
20831331 has 4 divisors, whose sum is 27775112
The reverse of 20831331 is 13313802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred thirty-one thousand three hundred thirty-one
Scientific notation
2.0831331 × 10^7
Engineering notation
2.0831331 × 10^6
Prime Factorization
3 × 6943777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20831331
Product of the distinct prime numbers
The prime factorization of 20831331 is 3 × 6943777.
Since it has a total of 2 prime factors.
7 , 5 , 10 , 18 , 791 , 459 , 6628 , 8235 , 85970 , 79825 , 969904 , 642517 , 7874350 , 3644593 , 53359685 , 85701481 , 8595140 , 760975506 , 4262676008 , 2390008729
n×2
41662662
n×3
62493993
n×4
83325324
n×5
104156655
n÷2
10415665.5
n÷3
6943777
n÷3
5207832.75
n÷5
4166266.2
n2
433944351231561
n3
9.0396384160849E+21
n4
1.8830769996578E+29
n5
3.9227000278359E+36
2 √n
4564.1352959789
3 √n
275.15178838012
4 √n
67.558384349974
5 √n
29.089978746178
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20831330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20831331 can be divided by 4 positive divisors.
The sum of these divisors (counting 20831331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011101110001100011
3
Ternary
1110012100012210
4
Quaternary
1033131301203
5
Quinary
20313100311
6
Senary
2022253203
8
Octal
117356143
10
Decimal
20831331
12
Duodecimal
6b87203
16
Hexadecimal
13ddc63
20
Vigesimal
6a3i6b
36
Base36
cehk3
md5
54bc6c4af4957dffb8edf3e883044ed0
sha1
d93780577f27d2706347e7daa9c4b52b57e9b09a
sha256
04a9eeedd48996add79545354c5793721ebb846796a655b77b02225916fdca3c
sha512
729fb7c9224521a11297a9e6ed11edfa7ecb4982ab6b89859cc37414dfc9491490335da0268bd5a9bfdcffa1ada0a91a11e1f3ed2b0fec101674aeb320b80292
ripemd-160
5bb2c7c9c093526fac598c048cb92f2905b7bbbb
Diameter
41662662
Circumference
130887112.86819
Area
1.3632763858959E+15
Volume
3.7865148852107E+22
Surface area
5.4531055435834E+15
Circumference
130887112.86819
Perimeter
83325324
Area
433944351231561
Diagonal
29459950.822483
Surface area
2603666107389366
Volume
9.0396384160849E+21
Space diagonal
36080923.681285
Perimeter
62493993
Area
1.8790341599764E+14
Altitude
18040461.840642
Surface area
1.8790341599764E+14
Volume
1.0653316039147E+21
Height
9819983.6074944