20782221 is an odd 8-digits composite number following 20782220
and preceding 20782222 . In scientific notation, it is written as 2.0782221 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13854812 positive integers (up to 20782221) that are relatively prime to 20782221.
20782221 has 4 divisors, whose sum is 27709632
The reverse of 20782221 is 12228702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million seven hundred eighty-two thousand two hundred twenty-one
Scientific notation
2.0782221 × 10^7
Engineering notation
2.0782221 × 10^6
Prime Factorization
3 × 6927407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20782221
Product of the distinct prime numbers
The prime factorization of 20782221 is 3 × 6927407.
Since it has a total of 2 prime factors.
6 , 5 , 88 , 57 , 609 , 588 , 9321 , 4490 , 67054 , 61985 , 11942 , 900114 , 7415020 , 2969552 , 90431818 , 5808571 , 501906179 , 870273581 , 9294971528 , 8234448262
n×2
41564442
n×3
62346663
n×4
83128884
n×5
103911105
n÷2
10391110.5
n÷3
6927407
n÷3
5195555.25
n÷5
4156444.2
n2
431900709692841
n3
8.9758559988935E+21
n4
1.8653822303318E+29
n5
3.8766785760228E+36
2 √n
4558.7521318887
3 √n
274.93539418972
4 √n
67.518531766388
5 √n
29.076249830375
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20782220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20782221 can be divided by 4 positive divisors.
The sum of these divisors (counting 20782221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001110010001101
3
Ternary
1110002211211220
4
Quaternary
1033101302031
5
Quinary
20310012341
6
Senary
2021233553
8
Octal
117216215
10
Decimal
20782221
12
Duodecimal
6b628b9
16
Hexadecimal
13d1c8d
20
Vigesimal
69hfb1
36
Base36
cdfnx
md5
b6bc7e2684f375d1bcdf82c4c097820e
sha1
e75c387b2286f54ee2b8a6249b7f0cf22addbca3
sha256
6b6fb4e3e3835b502d0be97bf9eedb901d507d638f01ce1c9f7436bc33172a1c
sha512
0eddbc33425057a41ac2b07c0f024558c6f512c9022b8090faf66b5389947daa9a149802ee2a96b907a5e893c6d00eb8590ab2dcc66c0320f230177a3adc0022
ripemd-160
4886659b278aae375b08bf55ebefe350d43c950c
Diameter
41564442
Circumference
130578545.63776
Area
1.3568560966512E+15
Volume
3.7597977687738E+22
Surface area
5.427424386605E+15
Circumference
130578545.63776
Perimeter
83128884
Area
431900709692841
Diagonal
29390498.794435
Surface area
2591404258157046
Volume
8.9758559988935E+21
Space diagonal
35995862.666125
Perimeter
62346663
Area
1.8701849325326E+14
Altitude
17997931.333062
Surface area
1.8701849325326E+14
Volume
1.0578147739619E+21
Height
9796832.9314783