20784290 is an even 8-digits composite number following 20784289
and preceding 20784291 . In scientific notation, it is written as 2.0784290 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 7876080 positive integers (up to 20784290) that are relatively prime to 20784290.
20784290 has 8 divisors, whose sum is 31504896
The reverse of 20784290 is 09248702
Previous prime number is 95
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred eighty-four thousand two hundred ninety
Scientific notation
2.0784290 × 10^7
Engineering notation
2.0784290 × 10^6
Prime Factorization
2 × 95 × 109391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20784290
Product of the distinct prime numbers
The prime factorization of 20784290 is 2 × 95 × 109391.
Since it has a total of 3 prime factors.
9 , 6 , 44 , 20 , 889 , 38 , 6786 , 6529 , 52116 , 14673 , 700309 , 128379 , 1723076 , 5369147 , 1017245 , 72817874 , 765759253 , 409160744 , 9930500519 , 2069633661
n×2
41568580
n×3
62352870
n×4
83137160
n×5
103921450
n÷2
10392145
n÷3
6928096.6666667
n÷3
5196072.5
n÷5
4156858
n2
431986710804100
n3
8.9785370734985E+21
n4
1.8661251831135E+29
n5
3.8786086982133E+36
2 √n
4558.9790523757
3 √n
274.94451773262
4 √n
67.520212176619
5 √n
29.076828751804
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20784289
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20784290 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784290) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010010010100010
3
Ternary
1110002221200112
4
Quaternary
1033102102202
5
Quinary
20310044130
6
Senary
2021251322
8
Octal
117222242
10
Decimal
20784290
12
Duodecimal
6b63b42
16
Hexadecimal
13d24a2
20
Vigesimal
69i0ea
36
Base36
cdh9e
md5
5fa0185b8a6dbcda27c79a3826e6d02b
sha1
e588bcf6d8c0a6007e4960822c82a7a5821afe15
sha256
5e75a2e32e2a380195889c1303e7f31e36039d35ec4d3439ae0b580d28ac1634
sha512
9cc890161f82928077945294118eb716df21cb6a0d46a88dabeb498b72c54d9336e72a559ef8fd0074fde9a5016d5c2cec5b224b7c7717fe644a7cd31689c2b7
ripemd-160
1930dd62739b43cfbf3da38bac6fa8ceeb0482ba
Diameter
41568580
Circumference
130591545.54816
Area
1.3571262771106E+15
Volume
3.7609208146782E+22
Surface area
5.4285051084423E+15
Circumference
130591545.54816
Perimeter
83137160
Area
431986710804100
Diagonal
29393424.802295
Surface area
2591920264824600
Volume
8.9785370734985E+21
Space diagonal
35999446.279246
Perimeter
62352870
Area
1.8705573282682E+14
Altitude
17999723.139623
Surface area
1.8705573282682E+14
Volume
1.0581307416343E+21
Height
9797808.2674318