82138081 is an odd 8-digits composite number following 82138080
and preceding 82138082 . In scientific notation, it is written as 8.2138081 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 82109700 positive integers (up to 82138081) that are relatively prime to 82138081.
82138081 has 4 divisors, whose sum is 82166464
The reverse of 82138081 is 18083128
Previous prime number is 3271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-two million one hundred thirty-eight thousand eighty-one
Scientific notation
8.2138081 × 10^7
Engineering notation
8.2138081 × 10^6
Prime Factorization
3271 × 25111
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82138081
Product of the distinct prime numbers
The prime factorization of 82138081 is 3271 × 25111.
Since it has a total of 2 prime factors.
4 , 6 , 16 , 31 , 992 , 587 , 6988 , 4219 , 92705 , 68953 , 768459 , 238387 , 8659281 , 5372840 , 52589510 , 13756700 , 549341720 , 741225744 , 1092891896 , 7044331344
n×2
164276162
n×3
246414243
n×4
328552324
n×5
410690405
n÷2
41069040.5
n÷3
27379360.333333
n÷3
20534520.25
n÷5
16427616.2
n2
6746664350362561
n3
5.5415806288989E+23
n4
4.5517479856453E+31
n5
3.7387184473652E+39
2 √n
9063.0061789673
3 √n
434.69186969121
4 √n
95.19982236836
5 √n
38.274445751005
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
-82138080
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 82138081 can be divided by 4 positive divisors.
The sum of these divisors (counting 82138081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010101001111100001
3
Ternary
12201120001021011
4
Quaternary
10321111033201
5
Quinary
132011404311
6
Senary
12052300521
8
Octal
471251741
10
Decimal
82138081
12
Duodecimal
23611741
16
Hexadecimal
4e553e1
20
Vigesimal
15d7541
36
Base36
1cwi5d
md5
b2704bfa8d35a2383af6edbca1440dbc
sha1
32c5530ef54c22cf14f156097ff2c60700806bdd
sha256
20e50057429bc1845b8a5cbd8eeb940f616739f7b7207d515f0a6ac933da9381
sha512
54f3c293b318ed153afefcf9e9e924f49daa03936ab085e122eace188e2d595a16f0a7ce11f4f418812173ec649f1e4e91b7ec3f78dbc775ad960f5f2be6f262
ripemd-160
e1b875ef33f87c28ef9412b815a030c7d634a99d
Diameter
164276162
Circumference
516088783.69913
Area
2.1195271159335E+16
Volume
2.3212518657366E+24
Surface area
8.4781084637341E+16
Circumference
516088783.69913
Perimeter
328552324
Area
6746664350362561
Diagonal
116160788.1375
Surface area
40479986102175366
Volume
5.5415806288989E+23
Space diagonal
142267329.52821
Perimeter
246414243
Area
2.9213913591104E+15
Altitude
71133664.764104
Surface area
2.9213913591104E+15
Volume
6.5308154019774E+22
Height
38720262.7125