20393805 is an odd 8-digits composite number following 20393804
and preceding 20393806 . In scientific notation, it is written as 2.0393805 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10857600 positive integers (up to 20393805) that are relatively prime to 20393805.
20393805 has 16 divisors, whose sum is 32687424
The reverse of 20393805 is 50839302
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred ninety-three thousand eight hundred five
Scientific notation
2.0393805 × 10^7
Engineering notation
2.0393805 × 10^6
Prime Factorization
3 × 5 × 937 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20393805
Product of the distinct prime numbers
The prime factorization of 20393805 is 3 × 5 × 937 × 1451.
Since it has a total of 4 prime factors.
1 , 4 , 48 , 40 , 607 , 555 , 4528 , 220 , 87924 , 50228 , 882121 , 862359 , 3551646 , 5731368 , 93126583 , 39878405 , 756313286 , 550260017 , 331033790 , 3179528183
n×2
40787610
n×3
61181415
n×4
81575220
n×5
101969025
n÷2
10196902.5
n÷3
6797935
n÷3
5098451.25
n÷5
4078761
n2
415907282378025
n3
8.4819320148974E+21
n4
1.7297886753507E+29
n5
3.5276972936311E+36
2 √n
4515.9500661544
3 √n
273.21178001278
4 √n
67.200818939611
5 √n
28.966742085587
1 , 3 , 5 , 15 , 937 , 1451 , 2811 , 4353 , 4685 , 7255 , 14055 , 21765 , 1359587 , 4078761 , 6797935 , 20393805
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
-20393804
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 20393805 can be divided by 16 positive divisors.
The sum of these divisors (counting 20393805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110010111101001101
3
Ternary
1102101010001010
4
Quaternary
1031302331031
5
Quinary
20210100210
6
Senary
2005035433
8
Octal
115627515
10
Decimal
20393805
12
Duodecimal
69b5b79
16
Hexadecimal
1372f4d
20
Vigesimal
6794a5
36
Base36
c53yl
md5
12bfa156205b22c565faca463a8f8307
sha1
9d804d154000316575e833d1a4f4b736a88f28ae
sha256
9b6e1916ec926e5c6a22f654f6041ff7bf8b84abdcb27de65b155080d273318f
sha512
69f8c07674fb585e75ed7feb547852f5e9597e105412dccb518a6fe813be4c05e4c3fbbf02cceb08d1e211d8bd4a3a07bfcdc06290fbf41ff1279c69a39165ed
ripemd-160
ccc57d236c53663e71fd0df178a4cf63d2ca161c
Diameter
40787610
Circumference
128138055.93349
Area
1.3066112628933E+15
Volume
3.5529033741666E+22
Surface area
5.2264450515732E+15
Circumference
128138055.93349
Perimeter
81575220
Area
415907282378025
Diagonal
28841195.619392
Surface area
2495443694268150
Volume
8.4819320148974E+21
Space diagonal
35323106.419652
Perimeter
61181415
Area
1.8009313607916E+14
Altitude
17661553.209826
Surface area
1.8009313607916E+14
Volume
9.996052742162E+20
Height
9613731.8731307