20782225 is an odd 8-digits composite number following 20782224
and preceding 20782226 . In scientific notation, it is written as 2.0782225 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 15544320 positive integers (up to 20782225) that are relatively prime to 20782225.
20782225 has 16 divisors, whose sum is 23063040
The reverse of 20782225 is 52228702
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred eighty-two thousand two hundred twenty-five
Scientific notation
2.0782225 × 10^7
Engineering notation
2.0782225 × 10^6
Prime Factorization
25 × 23 × 47 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20782225
Product of the distinct prime numbers
The prime factorization of 20782225 is 25 × 23 × 47 × 769.
Since it has a total of 4 prime factors.
5 , 4 , 58 , 18 , 505 , 612 , 9532 , 4660 , 44548 , 92938 , 504683 , 631001 , 8615299 , 4699232 , 20303929 , 23176191 , 585164050 , 462303012 , 4539059895 , 9479616039
n×2
41564450
n×3
62346675
n×4
83128900
n×5
103911125
n÷2
10391112.5
n÷3
6927408.3333333
n÷3
5195556.25
n÷5
4156445
n2
431900875950625
n3
8.975861181703E+21
n4
1.8653836664692E+29
n5
3.8766823067887E+36
2 √n
4558.7525706053
3 √n
274.93541182886
4 √n
67.518535015248
5 √n
29.076250949649
1 , 23 , 25 , 47 , 575 , 769 , 1081 , 1175 , 17687 , 19225 , 27025 , 36143 , 442175 , 831289 , 903575 , 20782225
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20782224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20782225 can be divided by 16 positive divisors.
The sum of these divisors (counting 20782225) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010001110010010001
3
Ternary
1110002211212001
4
Quaternary
1033101302101
5
Quinary
20310012400
6
Senary
2021234001
8
Octal
117216221
10
Decimal
20782225
12
Duodecimal
6b62901
16
Hexadecimal
13d1c91
20
Vigesimal
69hfb5
36
Base36
cdfo1
md5
f7b7f6b06427198ebe0ec6bfa34d99f2
sha1
caaffc68d9ac3f6438046d159f05b6e07a3e5dc0
sha256
3c71ee31d0b71c294cb3a9127326ecd98c2c749456918fb45ce9157c4c66c2cb
sha512
d0e9485fd647017b8c594d0bf1b04230ab6dc7fbd6f30d7bc7c8de077221d83a2d38c34da93972acaabed05b770d1bfd4c16c1c145d25730b9f871d7fff40481
ripemd-160
6391e1795548d1fdde1148cc6373f4ce83d71bf8
Diameter
41564450
Circumference
130578570.7705
Area
1.3568566189655E+15
Volume
3.759799939744E+22
Surface area
5.4274264758619E+15
Circumference
130578570.7705
Perimeter
83128900
Area
431900875950625
Diagonal
29390504.451289
Surface area
2591405255703750
Volume
8.975861181703E+21
Space diagonal
35995869.594328
Perimeter
62346675
Area
1.87018565245E+14
Altitude
17997934.797164
Surface area
1.87018565245E+14
Volume
1.0578153847619E+21
Height
9796834.8170964