82720909 is an odd 8-digits composite number following 82720908
and preceding 82720910 . In scientific notation, it is written as 8.2720909 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 82702620 positive integers (up to 82720909) that are relatively prime to 82720909.
82720909 has 4 divisors, whose sum is 82739200
The reverse of 82720909 is 90902728
Previous prime number is 10099
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-two million seven hundred twenty thousand nine hundred nine
Scientific notation
8.2720909 × 10^7
Engineering notation
8.2720909 × 10^6
Prime Factorization
10099 × 8191
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82720909
Product of the distinct prime numbers
The prime factorization of 82720909 is 10099 × 8191.
Since it has a total of 2 prime factors.
10 , 5 , 56 , 27 , 115 , 154 , 5566 , 6620 , 80188 , 41247 , 798218 , 656806 , 3314466 , 7258965 , 82456881 , 53704914 , 367754780 , 546407043 , 8740908927 , 5912038581
n×2
165441818
n×3
248162727
n×4
330883636
n×5
413604545
n÷2
41360454.5
n÷3
27573636.333333
n÷3
20680227.25
n÷5
16544181.8
n2
6842748785786281
n3
5.6603839961889E+23
n4
4.682321094538E+31
n5
3.8732585717006E+39
2 √n
9095.1035728022
3 √n
435.7175965605
4 √n
95.368252436554
5 √n
38.328609110641
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
-82720908
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 82720909 can be divided by 4 positive divisors.
The sum of these divisors (counting 82720909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011100011100010001101
3
Ternary
12202122122202101
4
Quaternary
10323203202031
5
Quinary
132134032114
6
Senary
12112555101
8
Octal
473434215
10
Decimal
82720909
12
Duodecimal
23852a91
16
Hexadecimal
4ee388d
20
Vigesimal
15h0259
36
Base36
1d8zv1
md5
8ad6cf6b007cc744f938588d6b58abc8
sha1
6070c7c4dfb7bda51a4377d5a16e98623eacb9c2
sha256
216b5eb754dff6d7280334f3e0e590ff972496eedf294e6009ed5893ba6aa431
sha512
afc816c5b9c2c77284cdf75e388cfc72fd37485df6e3c2e4e9f00672b5461ddbf8c990b9feab8ce90551d79b12d482dc2190ddc57ca89e00e70a4aa1c42a0956
ripemd-160
ed9b169f10651a481620731d78a586ce2befd812
Diameter
165441818
Circumference
519750800.02534
Area
2.1497129315787E+16
Volume
2.3710161038566E+24
Surface area
8.5988517263147E+16
Circumference
519750800.02534
Perimeter
330883636
Area
6842748785786281
Diagonal
116985031.39963
Surface area
41056492714717686
Volume
5.6603839961889E+23
Space diagonal
143276817.23628
Perimeter
248162727
Area
2.962997140103E+15
Altitude
71638408.618141
Surface area
2.962997140103E+15
Volume
6.6708265130416E+22
Height
38995010.466544