20402687 is an odd 8-digits prime number following 20402686
and preceding 20402688 . In scientific notation, it is written as 2.0402687 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 20402686 positive integers (up to 20402687) that are relatively prime to 20402687.
20402687 has 2 divisors, whose sum is 20402688
The reverse of 20402687 is 78620402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred two thousand six hundred eighty-seven
Scientific notation
2.0402687 × 10^7
Engineering notation
2.0402687 × 10^6
Prime Factorization
20402687
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20402687
Product of the distinct prime numbers
The prime factorization of 20402687 is 20402687.
Since it has a total of 1 prime factors.
9 , 3 , 58 , 43 , 966 , 402 , 4115 , 4827 , 2802 , 94823 , 201363 , 454931 , 5624687 , 4721277 , 6383341 , 99454142 , 664422664 , 166050843 , 558497523 , 4150192569
n×2
40805374
n×3
61208061
n×4
81610748
n×5
102013435
n÷2
10201343.5
n÷3
6800895.6666667
n÷3
5100671.75
n÷5
4080537.4
n2
416269636819969
n3
8.4930191076415E+21
n4
1.7328041053823E+29
n5
3.535385979443E+36
2 √n
4516.9333623599
3 √n
273.25143772296
4 √n
67.208134644252
5 √n
28.969264790828
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20402688
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10201344
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.9334730545
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019737
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402687 can be divided by 2 positive divisors.
The sum of these divisors (counting 20402687) is 20402688, the average is 10201344.
Base
System
Value
2
Binary
1001101110101000111111111
3
Ternary
1102101120020002
4
Quaternary
1031311013333
5
Quinary
20210341222
6
Senary
2005144515
8
Octal
115650777
10
Decimal
20402687
12
Duodecimal
69bb13b
16
Hexadecimal
13751ff
20
Vigesimal
67a6e7
36
Base36
c5atb
md5
1e8c3cd9dbc019a27efa71f5e12ad905
sha1
f783b817ce1e50c450772a05a582e66ce872129f
sha256
b7080d31353bff1041875ea06d9bab070fd158f5cc5e94aa80f4af8079304672
sha512
5ddf2e9b9f1232edd46cae13a09f751d7a358c12501e75bbc3d22141a3a77468ce8ccd31ff2af6d893e6966f3c64b98235c873c7513fce89a03ab76b58b5da60
ripemd-160
88c257c47b7b8a7be70fe8fa540a063470ffa255
Diameter
40805374
Circumference
128193863.18538
Area
1.3077496329461E+15
Volume
3.5575475247152E+22
Surface area
5.2309985317844E+15
Circumference
128193863.18538
Perimeter
81610748
Area
416269636819969
Diagonal
28853756.664253
Surface area
2497617820919814
Volume
8.4930191076415E+21
Space diagonal
35338490.494925
Perimeter
61208061
Area
1.8025004015511E+14
Altitude
17669245.247463
Surface area
1.8025004015511E+14
Volume
1.0009119006267E+21
Height
9617918.8880844