82720405 is an odd 8-digits composite number following 82720404
and preceding 82720406 . In scientific notation, it is written as 8.2720405 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 66176320 positive integers (up to 82720405) that are relatively prime to 82720405.
82720405 has 4 divisors, whose sum is 99264492
The reverse of 82720405 is 50402728
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-two million seven hundred twenty thousand four hundred five
Scientific notation
8.2720405 × 10^7
Engineering notation
8.2720405 × 10^6
Prime Factorization
5 × 16544081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82720405
Product of the distinct prime numbers
The prime factorization of 82720405 is 5 × 16544081.
Since it has a total of 2 prime factors.
8 , 9 , 14 , 65 , 462 , 976 , 376 , 5333 , 65065 , 29915 , 835725 , 37542 , 9361368 , 482632 , 85780461 , 1872634 , 446917961 , 505604829 , 7560419348 , 6831917697
n×2
165440810
n×3
248161215
n×4
330881620
n×5
413602025
n÷2
41360202.5
n÷3
27573468.333333
n÷3
20680101.25
n÷5
16544081
n2
6842665403364025
n3
5.6602805344576E+23
n4
4.6822069822395E+31
n5
3.8731405786468E+39
2 √n
9095.0758655439
3 √n
435.71671164874
4 √n
95.368107171863
5 √n
38.328562404999
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
-82720404
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 82720405 can be divided by 4 positive divisors.
The sum of these divisors (counting 82720405) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011100011011010010101
3
Ternary
12202122122001201
4
Quaternary
10323203122111
5
Quinary
132134023110
6
Senary
12112552501
8
Octal
473433225
10
Decimal
82720405
12
Duodecimal
23852731
16
Hexadecimal
4ee3695
20
Vigesimal
15h0105
36
Base36
1d8zh1
md5
e91ecbee4af1bafbaf8cfa2a3141af6f
sha1
ada06fd6c9ba2dab36a5558d5f3236350cb1ef49
sha256
23388be0a0427803482f38d9413179d8d95a1858e6b56b37e74fb1b68e1e9f26
sha512
75b8d710b1be0491a794354c9736d01536f8d92e00c6b743bf355d82aa27f47f74cc7f601bfa2a5d48820c46dc5108e227485de29fafaf6a3597de0c79d7645c
ripemd-160
7286d26a536f3a9c30269a0989c2a5685d97b2c5
Diameter
165440810
Circumference
519747633.29994
Area
2.1496867362181E+16
Volume
2.3709727659079E+24
Surface area
8.5987469448726E+16
Circumference
519747633.29994
Perimeter
330881620
Area
6842665403364025
Diagonal
116984318.636
Surface area
41055992420184150
Volume
5.6602805344576E+23
Space diagonal
143275944.28267
Perimeter
248161215
Area
2.9629610344551E+15
Altitude
71637972.141337
Surface area
2.9629610344551E+15
Volume
6.670704582222E+22
Height
38994772.878665