20402812 is an even 8-digits composite number following 20402811
and preceding 20402813 . In scientific notation, it is written as 2.0402812 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 9964080 positive integers (up to 20402812) that are relatively prime to 20402812.
20402812 has 12 divisors, whose sum is 36535576
The reverse of 20402812 is 21820402
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred two thousand eight hundred twelve
Scientific notation
2.0402812 × 10^7
Engineering notation
2.0402812 × 10^6
Prime Factorization
2 × 2 × 43 × 118621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10201406
Product of the distinct prime numbers
The prime factorization of 20402812 is 2 × 2 × 43 × 118621.
Since it has a total of 4 prime factors.
4 , 7 , 86 , 23 , 283 , 725 , 2433 , 140 , 66061 , 44090 , 689407 , 570177 , 7976733 , 2850161 , 23111975 , 26119129 , 935209768 , 800595483 , 4725275786 , 7898968229
n×2
40805624
n×3
61208436
n×4
81611248
n×5
102014060
n÷2
10201406
n÷3
6800937.3333333
n÷3
5100703
n÷5
4080562.4
n2
416274737507344
n3
8.4931752097117E+21
n4
1.7328465708681E+29
n5
3.5354942810266E+36
2 √n
4516.9471991601
3 √n
273.25199575991
4 √n
67.208237584094
5 √n
28.969300287615
1 , 2 , 4 , 43 , 86 , 172 , 118621 , 237242 , 474484 , 5100703 , 10201406 , 20402812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402812 can be divided by 12 positive divisors.
The sum of these divisors (counting 20402812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101001001111100
3
Ternary
1102101120101201
4
Quaternary
1031311021330
5
Quinary
20210342222
6
Senary
2005145244
8
Octal
115651174
10
Decimal
20402812
12
Duodecimal
69bb224
16
Hexadecimal
137527c
20
Vigesimal
67a70c
36
Base36
c5aws
md5
844cc09f5c09467ef4fac6e0ad6586f0
sha1
0e7c2f968bb503a9743011f9fc4b2b572a716a5f
sha256
de7cd212c21b8a1c2897faaa271647ca44fc1a1e571bf7f172724eac3cdbb609
sha512
d3da9a17472c2c193f3e53b60a503ce064a12c1398ff4453be25d14d536163b7ca87dcf96de3db0959147e70276fa1421b4172e8a688332bec6a226bf92f3331
ripemd-160
8ab513cf8b2f93b82c5f2ba7cbed5ce82fa08302
Diameter
40805624
Circumference
128194648.58355
Area
1.3077656572281E+15
Volume
3.5576129125975E+22
Surface area
5.2310626289124E+15
Circumference
128194648.58355
Perimeter
81611248
Area
416274737507344
Diagonal
28853933.440949
Surface area
2497648425044064
Volume
8.4931752097117E+21
Space diagonal
35338707.001276
Perimeter
61208436
Area
1.8025224881753E+14
Altitude
17669353.500638
Surface area
1.8025224881753E+14
Volume
1.0009302974321E+21
Height
9617977.8136495