82100081 is an odd 8-digits composite number following 82100080
and preceding 82100082 . In scientific notation, it is written as 8.2100081 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 68654880 positive integers (up to 82100081) that are relatively prime to 82100081.
82100081 has 8 divisors, whose sum is 96117504
The reverse of 82100081 is 18000128
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-two million one hundred thousand eighty-one
Scientific notation
8.2100081 × 10^7
Engineering notation
8.2100081 × 10^6
Prime Factorization
7 × 41 × 286063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82100081
Product of the distinct prime numbers
The prime factorization of 82100081 is 7 × 41 × 286063.
Since it has a total of 3 prime factors.
5 , 5 , 76 , 65 , 412 , 161 , 6390 , 7187 , 50288 , 68853 , 935610 , 195506 , 8847350 , 8353211 , 85470368 , 25644637 , 517149915 , 364370570 , 5901950500 , 3962758813
n×2
164200162
n×3
246300243
n×4
328400324
n×5
410500405
n÷2
41050040.5
n÷3
27366693.666667
n÷3
20525020.25
n÷5
16420016.2
n2
6740423300206561
n3
5.5338929892125E+23
n4
4.5433306265968E+31
n5
3.7300781245337E+39
2 √n
9060.9095018105
3 √n
434.62482470705
4 √n
95.188809750992
5 √n
38.270903671268
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
-82100080
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 82100081 can be divided by 8 positive divisors.
The sum of these divisors (counting 82100081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111001001011111101110001
3
Ternary
12201111010010202
4
Quaternary
10321023331301
5
Quinary
132004200311
6
Senary
12051404545
8
Octal
471137561
10
Decimal
82100081
12
Duodecimal
235b3755
16
Hexadecimal
4e4bf71
20
Vigesimal
15d2a41
36
Base36
1cvott
md5
d7efa96cb9d92b54d03bbc9957524f05
sha1
7c2e2eec0a139819a3a09b316199c520597b75fe
sha256
27ff73c636ec6fcaba7a6eb6400616e9adc188d6d3bcae6489c629506ed86b4e
sha512
9bb59a8d1bff4cd5c324e1441e2e27db152858123015cba554e9a745b06c999015d418cf46b0c3d4fefc34465fd1d58b0c809c3525f9e5e73b0d56eeb62f9020
ripemd-160
dfd9d405b9c71c049171ffb7edeb7faeb36682af
Diameter
164200162
Circumference
515850022.65745
Area
2.1175664322014E+16
Volume
2.3180316747549E+24
Surface area
8.4702657288058E+16
Circumference
515850022.65745
Perimeter
328400324
Area
6740423300206561
Diagonal
116107048.02213
Surface area
40442539801239366
Volume
5.5338929892125E+23
Space diagonal
142201511.59752
Perimeter
246300243
Area
2.9186889051197E+15
Altitude
71100755.79876
Surface area
2.9186889051197E+15
Volume
6.5217554317214E+22
Height
38702349.34071