20402818 is an even 8-digits composite number following 20402817
and preceding 20402819 . In scientific notation, it is written as 2.0402818 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 10133700 positive integers (up to 20402818) that are relatively prime to 20402818.
20402818 has 8 divisors, whose sum is 30807360
The reverse of 20402818 is 81820402
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand eight hundred eighteen
Scientific notation
2.0402818 × 10^7
Engineering notation
2.0402818 × 10^6
Prime Factorization
2 × 151 × 67559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402818
Product of the distinct prime numbers
The prime factorization of 20402818 is 2 × 151 × 67559.
Since it has a total of 3 prime factors.
5 , 8 , 52 , 100 , 271 , 383 , 9330 , 3459 , 38721 , 25983 , 782914 , 837888 , 6574381 , 8863673 , 43352083 , 87649924 , 5350389 , 590603917 , 7932869334 , 5372633422
n×2
40805636
n×3
61208454
n×4
81611272
n×5
102014090
n÷2
10201409
n÷3
6800939.3333333
n÷3
5100704.5
n÷5
4080563.6
n2
416274982341124
n3
8.4931827026592E+21
n4
1.732848609231E+29
n5
3.5354994795694E+36
2 √n
4516.9478633254
3 √n
273.25202254563
4 √n
67.208242525195
5 √n
28.969301991457
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402818 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101001010000010
3
Ternary
1102101120101221
4
Quaternary
1031311022002
5
Quinary
20210342233
6
Senary
2005145254
8
Octal
115651202
10
Decimal
20402818
12
Duodecimal
69bb22a
16
Hexadecimal
1375282
20
Vigesimal
67a70i
36
Base36
c5awy
md5
353327342a5c266bd085debc2217a75c
sha1
9ff7868945787cf3c762066557fd4b423c5e21fa
sha256
3d51d6841752600ba4bd7099724090d8d78b3ecb52b6ca254e27bef2d215b577
sha512
4d5bbc421680859896a8f7d20a9eaa860f381981b61f029fe25684657738fff12f08c698e689a346a441e5707c10e69476eb97610ba336c59df0c4c8c763a39e
ripemd-160
3bd102b9f617a39d019d2c4902fcfe7757a15ad5
Diameter
40805636
Circumference
128194686.28266
Area
1.3077664263961E+15
Volume
3.557616051236E+22
Surface area
5.2310657055844E+15
Circumference
128194686.28266
Perimeter
81611272
Area
416274982341124
Diagonal
28853941.92623
Surface area
2497649894046744
Volume
8.4931827026592E+21
Space diagonal
35338717.393581
Perimeter
61208454
Area
1.8025235483367E+14
Altitude
17669358.69679
Surface area
1.8025235483367E+14
Volume
1.0009311804844E+21
Height
9617980.6420766