20802788 is an even 8-digits composite number following 20802787
and preceding 20802789 . In scientific notation, it is written as 2.0802788 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 10275912 positive integers (up to 20802788) that are relatively prime to 20802788.
20802788 has 12 divisors, whose sum is 36844080
The reverse of 20802788 is 88720802
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred two thousand seven hundred eighty-eight
Scientific notation
2.0802788 × 10^7
Engineering notation
2.0802788 × 10^6
Prime Factorization
2 × 2 × 83 × 62659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10401394
Product of the distinct prime numbers
The prime factorization of 20802788 is 2 × 2 × 83 × 62659.
Since it has a total of 4 prime factors.
1 , 6 , 5 , 35 , 521 , 716 , 6052 , 6956 , 34566 , 66987 , 961840 , 219453 , 5289034 , 59874 , 95921399 , 6387972 , 877781281 , 636503043 , 4926042007 , 3753002665
n×2
41605576
n×3
62408364
n×4
83211152
n×5
104013940
n÷2
10401394
n÷3
6934262.6666667
n÷3
5200697
n÷5
4160557.6
n2
432755988572944
n3
9.0025310860134E+21
n4
1.8727774564575E+29
n5
3.8958992397864E+36
2 √n
4561.0073448746
3 √n
275.02606034023
4 √n
67.535230397731
5 √n
29.082002580703
1 , 2 , 4 , 83 , 166 , 332 , 62659 , 125318 , 250636 , 5200697 , 10401394 , 20802788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20802787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20802788 can be divided by 12 positive divisors.
The sum of these divisors (counting 20802788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010110110011100100
3
Ternary
1110010220001122
4
Quaternary
1033112303210
5
Quinary
20311142123
6
Senary
2021513112
8
Octal
117266344
10
Decimal
20802788
12
Duodecimal
6b72798
16
Hexadecimal
13d6ce4
20
Vigesimal
6a06j8
36
Base36
cdvj8
md5
e9cc604c08e9d3c97574b1c6d5a99a71
sha1
b77495764e048ab7dc5aa6eac60bd261c673f159
sha256
905ea6a713a743465d2ec3b6b54c4b6e296a468e3a983a94bb0ed1e7d13b9fce
sha512
d799e08ca85237218ae714d83d8655a36080567aa9d798ddb083af3a0745aa94ca70754c0f7780445a649bbe9196c0ccb80dad0d0d83c9cd7aebc4150eb6767e
ripemd-160
6394d4b943fcdf34e0c3a48ff4c8a49e46146f9e
Diameter
41605576
Circumference
130707771.90997
Area
1.3595430344977E+15
Volume
3.7709714031378E+22
Surface area
5.438172137991E+15
Circumference
130707771.90997
Perimeter
83211152
Area
432755988572944
Diagonal
29419584.924772
Surface area
2596535931437664
Volume
9.0025310860134E+21
Space diagonal
36031485.755084
Perimeter
62408364
Area
1.8738883987201E+14
Altitude
18015742.877542
Surface area
1.8738883987201E+14
Volume
1.0609584631271E+21
Height
9806528.3082574