82087989 is an odd 8-digits composite number following 82087988
and preceding 82087990 . In scientific notation, it is written as 8.2087989 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 50295168 positive integers (up to 82087989) that are relatively prime to 82087989.
82087989 has 16 divisors, whose sum is 86609600
The reverse of 82087989 is 98978028
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-two million eighty-seven thousand nine hundred eighty-nine
Scientific notation
8.2087989 × 10^7
Engineering notation
8.2087989 × 10^6
Prime Factorization
69 × 43 × 73 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82087989
Product of the distinct prime numbers
The prime factorization of 82087989 is 69 × 43 × 73 × 379.
Since it has a total of 4 prime factors.
4 , 8 , 32 , 54 , 185 , 320 , 4085 , 5588 , 26530 , 47774 , 529982 , 69744 , 6989375 , 6075352 , 86703956 , 4443759 , 494305414 , 86929768 , 1285293836 , 3521388380
n×2
164175978
n×3
246263967
n×4
328351956
n×5
410439945
n÷2
41043994.5
n÷3
27362663
n÷3
20521997.25
n÷5
16417597.8
n2
6738437938064121
n3
5.5314481933699E+23
n4
4.5406545845142E+31
n5
3.727332035864E+39
2 √n
9060.2422153053
3 √n
434.6034859485
4 √n
95.18530461844
5 √n
38.269776269133
1 , 43 , 69 , 73 , 379 , 2967 , 3139 , 5037 , 16297 , 26151 , 27667 , 216591 , 1124493 , 1189681 , 1909023 , 82087989
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
-82087988
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 82087989 can be divided by 16 positive divisors.
The sum of these divisors (counting 82087989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001001001000000110101
3
Ternary
12201110111112220
4
Quaternary
10321021000311
5
Quinary
132003303424
6
Senary
12051232553
8
Octal
471110065
10
Decimal
82087989
12
Duodecimal
235a8759
16
Hexadecimal
4e49035
20
Vigesimal
15d0jj9
36
Base36
1cvfhx
md5
c77710ee885396bacc4a6ac29d9ae387
sha1
7cca99740d6eda33323f977848d07d79f1899b0e
sha256
a3e209843796b5034852afdf2967842dbe6dd4d8a30ec41b1aff4f3a6659ef60
sha512
fe50fab8defbf576ab09801c20d684cc667ea874cf56e80bca2a1c3835c34c87245029fe5d249a8c688b1f9eb22c1c6c3f5f2417c8153cae2613fc4d5e825d76
ripemd-160
5262a8a1779de8c188f9f3ed54cac07bf0b8257c
Diameter
164175978
Circumference
515774046.38072
Area
2.1169427122893E+16
Volume
2.3170076010671E+24
Surface area
8.4677708491572E+16
Circumference
515774046.38072
Perimeter
328351956
Area
6738437938064121
Diagonal
116089947.35173
Surface area
40430627628384726
Volume
5.5314481933699E+23
Space diagonal
142180567.63916
Perimeter
246263967
Area
2.9178292180942E+15
Altitude
71090283.819578
Surface area
2.9178292180942E+15
Volume
6.5188742121899E+22
Height
38696649.117244