20787090 is an even 8-digits composite number following 20787089
and preceding 20787091 . In scientific notation, it is written as 2.0787090 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 5217024 positive integers (up to 20787090) that are relatively prime to 20787090.
20787090 has 32 divisors, whose sum is 52824960
The reverse of 20787090 is 09078702
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred eighty-seven thousand ninety
Scientific notation
2.0787090 × 10^7
Engineering notation
2.0787090 × 10^6
Prime Factorization
2 × 3 × 5 × 17 × 40759
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20787090
Product of the distinct prime numbers
The prime factorization of 20787090 is 2 × 3 × 5 × 17 × 40759.
Since it has a total of 5 prime factors.
3 , 1 , 2 , 40 , 853 , 533 , 7784 , 2280 , 38781 , 52120 , 644643 , 286639 , 2267940 , 5569505 , 5313058 , 98090881 , 553484289 , 105819989 , 8094383682 , 3582128783
n×2
41574180
n×3
62361270
n×4
83148360
n×5
103935450
n÷2
10393545
n÷3
6929030
n÷3
5196772.5
n÷5
4157418
n2
432103110668100
n3
8.9821662507378E+21
n4
1.8671309824905E+29
n5
3.8812219774818E+36
2 √n
4559.2861283319
3 √n
274.95686375746
4 √n
67.52248609413
5 √n
29.077612139003
1 , 2 , 3 , 5 , 6 , 10 , 15 , 17 , 30 , 34 , 51 , 85 , 102 , 170 , 255 , 510 , 40759 , 81518 , 122277 , 203795 , 244554 , 407590 , 611385 , 692903 , 1222770 , 1385806 , 2078709 , 3464515 , 4157418 , 6929030 , 10393545 , 20787090
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787090 can be divided by 32 positive divisors.
The sum of these divisors (counting 20787090) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010010111110010010
3
Ternary
1110010002112020
4
Quaternary
1033102332102
5
Quinary
20310141330
6
Senary
2021312310
8
Octal
117227622
10
Decimal
20787090
12
Duodecimal
6b65696
16
Hexadecimal
13d2f92
20
Vigesimal
69i7ea
36
Base36
cdjf6
md5
5abb541059590ff5e61b1256e1d9c268
sha1
4094a56f258418eeb22c11d197ca9dd19af73a66
sha256
11cb59eecf31a9c432fad5454da50c6b36a3875a89bfb455c586a35233498346
sha512
b51abdeb75ed4286455c6f0c7b7bfd3d3ab550140cd064c1f882ce8aa71dd6f8137eca62d6ece179402533eb4c0226f17b7252d6fc849319c3a6aae4edc9c42f
ripemd-160
900e5747555f11fe1cd8f77795a8255ab1468fd3
Diameter
41574180
Circumference
130609138.46702
Area
1.3574919580682E+15
Volume
3.7624410008853E+22
Surface area
5.4299678322728E+15
Circumference
130609138.46702
Perimeter
83148360
Area
432103110668100
Diagonal
29397384.60027
Surface area
2592618664008600
Volume
8.9821662507378E+21
Space diagonal
36004296.021507
Perimeter
62361270
Area
1.8710613544643E+14
Altitude
18002148.010753
Surface area
1.8710613544643E+14
Volume
1.0585584442736E+21
Height
9799128.20009