20789215 is an odd 8-digits composite number following 20789214
and preceding 20789216 . In scientific notation, it is written as 2.0789215 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 15651968 positive integers (up to 20789215) that are relatively prime to 20789215.
20789215 has 12 divisors, whose sum is 26502696
The reverse of 20789215 is 51298702
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-nine thousand two hundred fifteen
Scientific notation
2.0789215 × 10^7
Engineering notation
2.0789215 × 10^6
Prime Factorization
17 × 5 × 17 × 14387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1222895
Product of the distinct prime numbers
The prime factorization of 20789215 is 17 × 5 × 17 × 14387.
Since it has a total of 4 prime factors.
8 , 2 , 61 , 19 , 780 , 536 , 8180 , 9358 , 88076 , 29962 , 929559 , 214530 , 2319452 , 4748022 , 41544685 , 4798221 , 310653088 , 847093473 , 8438978490 , 8509933401
n×2
41578430
n×3
62367645
n×4
83156860
n×5
103946075
n÷2
10394607.5
n÷3
6929738.3333333
n÷3
5197303.75
n÷5
4157843
n2
432191460316225
n3
8.984921189678E+21
n4
1.8678945837027E+29
n5
3.8832062097931E+36
2 √n
4559.5191632452
3 √n
274.96623276849
4 √n
67.524211681775
5 √n
29.078206617588
1 , 5 , 17 , 85 , 289 , 1445 , 14387 , 71935 , 244579 , 1222895 , 4157843 , 20789215
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
-20789214
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 20789215 can be divided by 12 positive divisors.
The sum of these divisors (counting 20789215) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010011011111011111
3
Ternary
1110010012102221
4
Quaternary
1033103133133
5
Quinary
20310223330
6
Senary
2021330211
8
Octal
117233737
10
Decimal
20789215
12
Duodecimal
6b66967
16
Hexadecimal
13d37df
20
Vigesimal
69id0f
36
Base36
cdl27
md5
15feda074aaafdbf9ae23c0448e868b8
sha1
c49133e1228699d5a36cb87e554636134308cada
sha256
0551427869c68c1a331a933d6d83b517e1c2952d92cd7f828e6936604a1e0e50
sha512
2f75d7e51db51dc7d68d42d0868de171f6ae0e48f278d57293c2ba710663e1b16b40cf339228414efa2c908c0586a81b2ffaf505821e34a8bb3e4edebdd773b2
ripemd-160
9c8f1928423d291d2804c4d9c8e1489564254601
Diameter
41578430
Circumference
130622490.2358
Area
1.3577695166737E+15
Volume
3.7635949870101E+22
Surface area
5.4310780666948E+15
Circumference
130622490.2358
Perimeter
83156860
Area
432191460316225
Diagonal
29400389.80409
Surface area
2593148761897350
Volume
8.984921189678E+21
Space diagonal
36007976.629473
Perimeter
62367645
Area
1.8714439196627E+14
Altitude
18003988.314737
Surface area
1.8714439196627E+14
Volume
1.0588831169413E+21
Height
9800129.9346967