20784995 is an odd 8-digits composite number following 20784994
and preceding 20784996 . In scientific notation, it is written as 2.0784995 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 12956640 positive integers (up to 20784995) that are relatively prime to 20784995.
20784995 has 8 divisors, whose sum is 23322816
The reverse of 20784995 is 59948702
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred eighty-four thousand nine hundred ninety-five
Scientific notation
2.0784995 × 10^7
Engineering notation
2.0784995 × 10^6
Prime Factorization
35 × 11 × 53987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20784995
Product of the distinct prime numbers
The prime factorization of 20784995 is 35 × 11 × 53987.
Since it has a total of 3 prime factors.
1 , 10 , 35 , 26 , 917 , 674 , 5596 , 1804 , 72309 , 2971 , 229764 , 995324 , 5660952 , 9054873 , 50394076 , 98558803 , 142290495 , 63892130 , 6326313269 , 3854909918
n×2
41569990
n×3
62354985
n×4
83139980
n×5
103924975
n÷2
10392497.5
n÷3
6928331.6666667
n÷3
5196248.75
n÷5
4156999
n2
432016017150025
n3
8.9794507563832E+21
n4
1.8663783907417E+29
n5
3.8792665519674E+36
2 √n
4559.0563716629
3 √n
274.94762638974
4 √n
67.520784738204
5 √n
29.077026005461
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
-20784994
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 20784995 can be divided by 8 positive divisors.
The sum of these divisors (counting 20784995) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010011101100011
3
Ternary
1110002222122122
4
Quaternary
1033102131203
5
Quinary
20310104440
6
Senary
2021254455
8
Octal
117223543
10
Decimal
20784995
12
Duodecimal
6b6442b
16
Hexadecimal
13d2763
20
Vigesimal
69i29f
36
Base36
cdhsz
md5
1a115a6b97bc590ae664d74d38a0693b
sha1
cac6bf2ec6f20ada7f396c6a2cfc90c19968b395
sha256
e589177ffe7dabfacb811b0557558b0b0a838a18298300856a3cd769111d32b1
sha512
5ebb73bd9573e6c27ced29129f589a61198e59c204ce0a4c359f27b8f4c9a31c1dddea96b9967f671eae6275c0fb0175a6b985739e4a4dbf4bf42036e19c5c67
ripemd-160
51491bcb07c1cca1a62d1dc85b72ad88c7b9d4b3
Diameter
41569990
Circumference
130595975.1938
Area
1.3572183457116E+15
Volume
3.76130353727E+22
Surface area
5.4288733828466E+15
Circumference
130595975.1938
Perimeter
83139980
Area
432016017150025
Diagonal
29394421.822857
Surface area
2592096102900150
Volume
8.9794507563832E+21
Space diagonal
36000667.375065
Perimeter
62354985
Area
1.8706842284685E+14
Altitude
18000333.687533
Surface area
1.8706842284685E+14
Volume
1.0582384201949E+21
Height
9798140.607619