20402855 is an odd 8-digits composite number following 20402854
and preceding 20402856 . In scientific notation, it is written as 2.0402855 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 14491680 positive integers (up to 20402855) that are relatively prime to 20402855.
20402855 has 16 divisors, whose sum is 27333504
The reverse of 20402855 is 55820402
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred two thousand eight hundred fifty-five
Scientific notation
2.0402855 × 10^7
Engineering notation
2.0402855 × 10^6
Prime Factorization
5 × 11 × 43 × 8627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402855
Product of the distinct prime numbers
The prime factorization of 20402855 is 5 × 11 × 43 × 8627.
Since it has a total of 4 prime factors.
3 , 9 , 89 , 81 , 363 , 139 , 3135 , 6141 , 60436 , 15722 , 442678 , 43681 , 3033164 , 4882570 , 58786894 , 60603057 , 341912165 , 110026786 , 5462283430 , 3492337280
n×2
40805710
n×3
61208565
n×4
81611420
n×5
102014275
n÷2
10201427.5
n÷3
6800951.6666667
n÷3
5100713.75
n÷5
4080571
n2
416276492151025
n3
8.493228909266E+21
n4
1.7328611791756E+29
n5
3.5355315373849E+36
2 √n
4516.9519590095
3 √n
273.2521877241
4 √n
67.208272995291
5 √n
28.96931249847
1 , 5 , 11 , 43 , 55 , 215 , 473 , 2365 , 8627 , 43135 , 94897 , 370961 , 474485 , 1854805 , 4080571 , 20402855
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
-20402854
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 20402855 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101001010100111
3
Ternary
1102101120110022
4
Quaternary
1031311022213
5
Quinary
20210342410
6
Senary
2005145355
8
Octal
115651247
10
Decimal
20402855
12
Duodecimal
69bb25b
16
Hexadecimal
13752a7
20
Vigesimal
67a72f
36
Base36
c5axz
md5
29b8b505d60a771d8c41f7f8a1eaaa32
sha1
78de8629c6e90cd486bc589441d006560191f788
sha256
62a21ad5eaccffd6ce3bac9c83adfb8ef63f7593062ec2d7d9dff618d52c0eec
sha512
5e4102bf8c6fa2d1577f91a16cf9f91d796a2b641ebd208b33992679219542d18ab3e8c6dec2b11b6afb00c6a84220a4c5b6eb828115caece0a4228d12c63316
ripemd-160
d674c2974baa80bdc081ec97e8eab9f53f404600
Diameter
40805710
Circumference
128194918.76052
Area
1.3077711696038E+15
Volume
3.5576354062142E+22
Surface area
5.2310846784152E+15
Circumference
128194918.76052
Perimeter
81611420
Area
416276492151025
Diagonal
28853994.252132
Surface area
2497658952906150
Volume
8.493228909266E+21
Space diagonal
35338781.479461
Perimeter
61208565
Area
1.8025300860053E+14
Altitude
17669390.73973
Surface area
1.8025300860053E+14
Volume
1.0009366259853E+21
Height
9617998.0840439