20402790 is an even 8-digits composite number following 20402789
and preceding 20402791 . In scientific notation, it is written as 2.0402790 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5348064 positive integers (up to 20402790) that are relatively prime to 20402790.
20402790 has 16 divisors, whose sum is 33200640
The reverse of 20402790 is 09720402
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred two thousand seven hundred ninety
Scientific notation
2.0402790 × 10^7
Engineering notation
2.0402790 × 10^6
Prime Factorization
2 × 15 × 59 × 11527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402790
Product of the distinct prime numbers
The prime factorization of 20402790 is 2 × 15 × 59 × 11527.
Since it has a total of 4 prime factors.
1 , 1 , 67 , 87 , 453 , 824 , 5632 , 1356 , 30341 , 45933 , 596145 , 369829 , 8634941 , 1931585 , 52041099 , 12188261 , 535058758 , 618032956 , 1529827986 , 62716009
n×2
40805580
n×3
61208370
n×4
81611160
n×5
102013950
n÷2
10201395
n÷3
6800930
n÷3
5100697.5
n÷5
4080558
n2
416273839784100
n3
8.4931477356086E+21
n4
1.732839096886E+29
n5
3.5354752197554E+36
2 √n
4516.9447638863
3 √n
273.25189754558
4 √n
67.208219466716
5 √n
28.969294040193
1 , 2 , 15 , 30 , 59 , 118 , 885 , 1770 , 11527 , 23054 , 172905 , 345810 , 680093 , 1360186 , 10201395 , 20402790
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
-20402789
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 20402790 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101001001100110
3
Ternary
1102101120100220
4
Quaternary
1031311021212
5
Quinary
20210342130
6
Senary
2005145210
8
Octal
115651146
10
Decimal
20402790
12
Duodecimal
69bb206
16
Hexadecimal
1375266
20
Vigesimal
67a6ja
36
Base36
c5aw6
md5
b13ab87f9ebe11bf4e1f7ab000ca7580
sha1
6658747c3c2cee78a82a8810bfb6c725ca99679f
sha256
3d256600e16498b542fa59927cad50c75480db29d9a41836cc99d783b662a330
sha512
ccccd646f8508d85e01a94d977670bcae28902b58c7668221cb0ff6b8041d3d4f57e7e4ee7e8d17402f611e21bab9a0f0c36b85c7273ee45fccdd3409365ef05
ripemd-160
7723c60d934c8971ce84c9d5833639b9c2f4ac59
Diameter
40805580
Circumference
128194510.35347
Area
1.3077628369473E+15
Volume
3.5576014042721E+22
Surface area
5.2310513477894E+15
Circumference
128194510.35347
Perimeter
81611160
Area
416273839784100
Diagonal
28853902.32825
Surface area
2497643038704600
Volume
8.4931477356086E+21
Space diagonal
35338668.896158
Perimeter
61208370
Area
1.8025186009196E+14
Altitude
17669334.448079
Surface area
1.8025186009196E+14
Volume
1.000927059578E+21
Height
9617967.4427501