20790787 is an odd 8-digits composite number following 20790786
and preceding 20790788 . In scientific notation, it is written as 2.0790787 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20398456 positive integers (up to 20790787) that are relatively prime to 20790787.
20790787 has 4 divisors, whose sum is 21183120
The reverse of 20790787 is 78709702
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred ninety thousand seven hundred eighty-seven
Scientific notation
2.0790787 × 10^7
Engineering notation
2.0790787 × 10^6
Prime Factorization
53 × 392279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20790787
Product of the distinct prime numbers
The prime factorization of 20790787 is 53 × 392279.
Since it has a total of 2 prime factors.
9 , 3 , 42 , 62 , 247 , 978 , 9859 , 6569 , 3330 , 69799 , 187195 , 19265 , 1427825 , 6983247 , 92054566 , 40928334 , 584063058 , 648994817 , 2910620644 , 8727891835
n×2
41581574
n×3
62372361
n×4
83163148
n×5
103953935
n÷2
10395393.5
n÷3
6930262.3333333
n÷3
5197696.75
n÷5
4158157.4
n2
432256824079369
n3
8.9869595587306E+21
n4
1.8684596196318E+29
n5
3.8846745969866E+36
2 √n
4559.6915465851
3 √n
274.97316322135
4 √n
67.525488125486
5 √n
29.078646360583
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20790786
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20790787 can be divided by 4 positive divisors.
The sum of these divisors (counting 20790787) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010011111000000011
3
Ternary
1110010021121011
4
Quaternary
1033103320003
5
Quinary
20310301122
6
Senary
2021341351
8
Octal
117237003
10
Decimal
20790787
12
Duodecimal
6b67857
16
Hexadecimal
13d3e03
20
Vigesimal
69igj7
36
Base36
cdm9v
md5
9b3d6b2fb22194d00f9116858eaf09de
sha1
f08560da9278a791c4efc3caf2dda1303374edf1
sha256
d3de9240e9844d34153f51db7996afed27c311fe2bebc94ec4a70834ddc20031
sha512
67356f9dc8f76f5b83c48f7332b59f09f66af68d98d691a8eb6aca5e0b21140860b77492a022f9d99f5c10b4fdcde6bc4b41512b5780ace72ce56e141eb22d50
ripemd-160
5bf152150a4bfe37468bd53c614098d892854f2d
Diameter
41581574
Circumference
130632367.4031
Area
1.3579748629918E+15
Volume
3.7644488170422E+22
Surface area
5.4318994519672E+15
Circumference
130632367.4031
Perimeter
83163148
Area
432256824079369
Diagonal
29402612.94781
Surface area
2593540944476214
Volume
8.9869595587306E+21
Space diagonal
36010699.413343
Perimeter
62372361
Area
1.8717269530596E+14
Altitude
18005349.706671
Surface area
1.8717269530596E+14
Volume
1.0591233410379E+21
Height
9800870.9826034