82161005 is an odd 8-digits composite number following 82161004
and preceding 82161006 . In scientific notation, it is written as 8.2161005 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 63296640 positive integers (up to 82161005) that are relatively prime to 82161005.
82161005 has 16 divisors, whose sum is 102273024
The reverse of 82161005 is 50016128
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-two million one hundred sixty-one thousand five
Scientific notation
8.2161005 × 10^7
Engineering notation
8.2161005 × 10^6
Prime Factorization
5 × 223 × 31 × 2377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82161005
Product of the distinct prime numbers
The prime factorization of 82161005 is 5 × 223 × 31 × 2377.
Since it has a total of 4 prime factors.
2 , 7 , 34 , 63 , 251 , 15 , 6475 , 7525 , 6759 , 3048 , 308294 , 989505 , 2029918 , 9680568 , 97125491 , 92969343 , 712316403 , 349391372 , 47258922 , 828628494
n×2
164322010
n×3
246483015
n×4
328644020
n×5
410805025
n÷2
41080502.5
n÷3
27387001.666667
n÷3
20540251.25
n÷5
16432201
n2
6750430742610025
n3
5.5462217399574E+23
n4
4.5568315210775E+31
n5
3.743938573874E+39
2 √n
9064.2707925128
3 √n
434.7323054607
4 √n
95.206464026939
5 √n
38.276581923289
1 , 5 , 31 , 155 , 223 , 1115 , 2377 , 6913 , 11885 , 34565 , 73687 , 368435 , 530071 , 2650355 , 16432201 , 82161005
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
-82161004
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 82161005 can be divided by 16 positive divisors.
The sum of these divisors (counting 82161005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001011010110101101101
3
Ternary
12201121012201012
4
Quaternary
10321122311231
5
Quinary
132013123010
6
Senary
12052555005
8
Octal
471326555
10
Decimal
82161005
12
Duodecimal
23622a65
16
Hexadecimal
4e5ad6d
20
Vigesimal
15da2a5
36
Base36
1cwzu5
md5
015c9940ec1a5370521f41ef5e6bbb00
sha1
6e12ea01c8406e6e3d77c5692b79538c8838af7b
sha256
371e272cecf6cca1b07bda30ca4481f987a5ee4f8cb34c1f2e27739dbdd9c1b6
sha512
0fd4ab7b68e6e1f9d678eb6368f7e7480a38555ae0aa471743ef7a1f0bbcf9d33d1495ac5739439ab2982c06860f77cae5788a045425e7cf8243c9c62d548897
ripemd-160
b705170bb9a2303e8974e58ac848d2c46267fe32
Diameter
164322010
Circumference
516232819.43911
Area
2.120710362955E+16
Volume
2.3231959297907E+24
Surface area
8.4828414518201E+16
Circumference
516232819.43911
Perimeter
328644020
Area
6750430742610025
Diagonal
116193207.5692
Surface area
40502584455660150
Volume
5.5462217399574E+23
Space diagonal
142307035.06092
Perimeter
246483015
Area
2.9230222547939E+15
Altitude
71153517.53046
Surface area
2.9230222547939E+15
Volume
6.5362850038135E+22
Height
38731069.189735