20402789 is an odd 8-digits composite number following 20402788
and preceding 20402790 . In scientific notation, it is written as 2.0402789 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 17136000 positive integers (up to 20402789) that are relatively prime to 20402789.
20402789 has 16 divisors, whose sum is 24010560
The reverse of 20402789 is 98720402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred two thousand seven hundred eighty-nine
Scientific notation
2.0402789 × 10^7
Engineering notation
2.0402789 × 10^6
Prime Factorization
41 × 19 × 11 × 2381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402789
Product of the distinct prime numbers
The prime factorization of 20402789 is 41 × 19 × 11 × 2381.
Since it has a total of 4 prime factors.
5 , 4 , 93 , 15 , 332 , 894 , 543 , 8982 , 69886 , 96720 , 733573 , 300292 , 1918252 , 6045850 , 23594811 , 41479528 , 675861494 , 615478324 , 1862688237 , 7002506590
n×2
40805578
n×3
61208367
n×4
81611156
n×5
102013945
n÷2
10201394.5
n÷3
6800929.6666667
n÷3
5100697.25
n÷5
4080557.8
n2
416273798978521
n3
8.4931464867872E+21
n4
1.7328387571601E+29
n5
3.535474353336E+36
2 √n
4516.944653192
3 √n
273.25189308129
4 √n
67.208218643199
5 √n
28.969293756219
1 , 11 , 19 , 41 , 209 , 451 , 779 , 2381 , 8569 , 26191 , 45239 , 97621 , 497629 , 1073831 , 1854799 , 20402789
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
-20402788
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 20402789 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402789) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101001001100101
3
Ternary
1102101120100212
4
Quaternary
1031311021211
5
Quinary
20210342124
6
Senary
2005145205
8
Octal
115651145
10
Decimal
20402789
12
Duodecimal
69bb205
16
Hexadecimal
1375265
20
Vigesimal
67a6j9
36
Base36
c5aw5
md5
47d370210dbaf5bf5aaa66ddd44c8d99
sha1
91232ff51ace99d7efab3e8bc6c2f817b89ab17e
sha256
b4b1477c21378a8c6d4c6acbf5f8d54acfdd6d7d9831c865ca16dd8e2e8dbc1f
sha512
4bfbc66b01fbbfd62bcb00d8b1d08cf024aef7e24885373e3db85eb32ed2096912d16cf20d5042a0f2088a5a8f0e8ec7a3f3a06070bf881b1517cbee3fb64c30
ripemd-160
4b7775084f6116aef368b99205bbd55d4d268ed2
Diameter
40805578
Circumference
128194504.07029
Area
1.3077627087528E+15
Volume
3.557600881167E+22
Surface area
5.2310508350113E+15
Circumference
128194504.07029
Perimeter
81611156
Area
416273798978521
Diagonal
28853900.914037
Surface area
2497642793871126
Volume
8.4931464867872E+21
Space diagonal
35338667.164107
Perimeter
61208367
Area
1.8025184242263E+14
Altitude
17669333.582054
Surface area
1.8025184242263E+14
Volume
1.000926912403E+21
Height
9617966.9713455