82157031 is an odd 8-digits composite number following 82157030
and preceding 82157032 . In scientific notation, it is written as 8.2157031 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 49791960 positive integers (up to 82157031) that are relatively prime to 82157031.
82157031 has 8 divisors, whose sum is 110649600
The reverse of 82157031 is 13075128
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-two million one hundred fifty-seven thousand thirty-one
Scientific notation
8.2157031 × 10^7
Engineering notation
8.2157031 × 10^6
Prime Factorization
99 × 3 × 276623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82157031
Product of the distinct prime numbers
The prime factorization of 82157031 is 99 × 3 × 276623.
Since it has a total of 3 prime factors.
8 , 2 , 7 , 48 , 237 , 297 , 8190 , 4913 , 26668 , 21652 , 107194 , 153520 , 4053012 , 8404633 , 16806600 , 32571382 , 750825883 , 81870030 , 8243622377 , 8231235055
n×2
164314062
n×3
246471093
n×4
328628124
n×5
410785155
n÷2
41078515.5
n÷3
27385677
n÷3
20539257.75
n÷5
16431406.2
n2
6749777742734961
n3
5.5454169925299E+23
n4
4.555949957632E+31
n5
3.7430332190362E+39
2 √n
9064.0515775232
3 √n
434.72529623925
4 √n
95.205312758917
5 √n
38.276211640381
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
-82157030
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 82157031 can be divided by 8 positive divisors.
The sum of these divisors (counting 82157031) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111001011001110111100111
3
Ternary
12201121000021000
4
Quaternary
10321121313213
5
Quinary
132013011111
6
Senary
12052524343
8
Octal
471316747
10
Decimal
82157031
12
Duodecimal
236206b3
16
Hexadecimal
4e59de7
20
Vigesimal
15d9cbb
36
Base36
1cwwrr
md5
961e511f2ecf84c0527ae8f581f87a90
sha1
aef6b65c7d95f85e83a2b85db8c08b257b01d989
sha256
f81ed1df652851b319e48e4b53a76f59168c433d3f510277a977625d2aa3124e
sha512
bdbe1236e99c9845fd1d9760bb15ca5cf8a40fdc475e5e3e6459e618c598b3a9d07c60c44eb2747551a0303ac334a776d7742ba7a336100eb88c04c58c1ffa12
ripemd-160
eb01a412cb23281e68eb1d3665fd565085b3a8c7
Diameter
164314062
Circumference
516207850.0607
Area
2.120505216994E+16
Volume
2.3228588379765E+24
Surface area
8.482020867976E+16
Circumference
516207850.0607
Perimeter
328628124
Area
6749777742734961
Diagonal
116187587.48451
Surface area
40498666456409766
Volume
5.5454169925299E+23
Space diagonal
142300151.89101
Perimeter
246471093
Area
2.9227394975536E+15
Altitude
71150075.945506
Surface area
2.9227394975536E+15
Volume
6.535336599875E+22
Height
38729195.828169