82019991 is an odd 8-digits composite number following 82019990
and preceding 82019992 . In scientific notation, it is written as 8.2019991 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 53642784 positive integers (up to 82019991) that are relatively prime to 82019991.
82019991 has 12 divisors, whose sum is 111473768
The reverse of 82019991 is 19991028
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-two million nineteen thousand nine hundred ninety-one
Scientific notation
8.2019991 × 10^7
Engineering notation
8.2019991 × 10^6
Prime Factorization
3 × 53 × 53 × 9733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1547547
Product of the distinct prime numbers
The prime factorization of 82019991 is 3 × 53 × 53 × 9733.
Since it has a total of 4 prime factors.
7 , 2 , 79 , 16 , 219 , 185 , 2802 , 6899 , 76700 , 91327 , 859307 , 821787 , 9156329 , 8052228 , 15785432 , 60910403 , 395618701 , 51812586 , 2069596912 , 5500093576
n×2
164039982
n×3
246059973
n×4
328079964
n×5
410099955
n÷2
41009995.5
n÷3
27339997
n÷3
20504997.75
n÷5
16403998.2
n2
6727278923640081
n3
5.5177135677145E+23
n4
4.5256281716452E+31
n5
3.7119198190769E+39
2 √n
9056.4888891888
3 √n
434.48345080145
4 √n
95.165586685465
5 √n
38.263433974851
1 , 3 , 53 , 159 , 2809 , 8427 , 9733 , 29199 , 515849 , 1547547 , 27339997 , 82019991
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82019990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82019991 can be divided by 12 positive divisors.
The sum of these divisors (counting 82019991) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000111000011010010111
3
Ternary
12201100001021110
4
Quaternary
10320320122113
5
Quinary
131444114431
6
Senary
12045550103
8
Octal
470703227
10
Decimal
82019991
12
Duodecimal
23575333
16
Hexadecimal
4e38697
20
Vigesimal
15cc9jb
36
Base36
1ctz13
md5
6916e3cbf16c1ddd29502500d9e33bc0
sha1
2be81dc00216761b1a0ea00ebfed1661b550eb2d
sha256
ea344c4aded86c25ad44dcd5981ab1851ad13125b7136b3df946729c07621dc9
sha512
59961253fc4ff33e461f9c8615e1701d01a5fafdeabc7a17cf73dc4969a28995ad7848345b4343b083d515e71409c1590432d5c3438a2969409c5cec082ffcdb
ripemd-160
8a77814feac48a83f3de2b747be2a637ba279870
Diameter
164039982
Circumference
515346802.3462
Area
2.1134370045157E+16
Volume
2.3112544545259E+24
Surface area
8.4537480180629E+16
Circumference
515346802.3462
Perimeter
328079964
Area
6727278923640081
Diagonal
115993783.65792
Surface area
40363673541840486
Volume
5.5177135677145E+23
Space diagonal
142062791.64834
Perimeter
246059973
Area
2.912997223108E+15
Altitude
71031395.824171
Surface area
2.912997223108E+15
Volume
6.5026878006266E+22
Height
38664594.55264