87966981 is an odd 8-digits composite number following 87966980
and preceding 87966982 . In scientific notation, it is written as 8.7966981 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 58506624 positive integers (up to 87966981) that are relatively prime to 87966981.
87966981 has 8 divisors, whose sum is 97971160
The reverse of 87966981 is 18966978
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighty-seven million nine hundred sixty-six thousand nine hundred eighty-one
Scientific notation
8.7966981 × 10^7
Engineering notation
8.7966981 × 10^6
Prime Factorization
9 × 433 × 22573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87966981
Product of the distinct prime numbers
The prime factorization of 87966981 is 9 × 433 × 22573.
Since it has a total of 3 prime factors.
6 , 1 , 71 , 3 , 53 , 345 , 4833 , 2762 , 76897 , 49354 , 519929 , 317774 , 4355631 , 8790857 , 4427552 , 35734891 , 644055320 , 125781777 , 2432299108 , 1560876389
n×2
175933962
n×3
263900943
n×4
351867924
n×5
439834905
n÷2
43983490.5
n÷3
29322327
n÷3
21991745.25
n÷5
17593396.2
n2
7738189746254361
n3
6.8070519038315E+23
n4
5.9879580549036E+31
n5
5.267425924445E+39
2 √n
9379.0714359152
3 √n
444.74037964037
4 √n
96.845606177643
5 √n
38.802877925822
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
-87966980
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 87966981 can be divided by 8 positive divisors.
The sum of these divisors (counting 87966981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111100100010100000101
3
Ternary
20010112012000100
4
Quaternary
11033210110011
5
Quinary
140004420411
6
Senary
12421234313
8
Octal
517442405
10
Decimal
87966981
12
Duodecimal
25562999
16
Hexadecimal
53e4505
20
Vigesimal
179fh91
36
Base36
1gdfr9
md5
5677b90d55bdca59e44a34f948952ffc
sha1
6cd14e603c51bdfa000a36912da8ef5af2c0354e
sha256
d211696cb9bff30cb8133b8337bb9466d2b7104d4717282d5d4f33a05e7eaf83
sha512
7c3c323b21b1aa7adbc2a06f8e64c3bcd6103924f339af7bd7b3d0a21c96cb4fd227fd5bc0f8f7390ef0787956fcaf32ab9cf40903abf13d4540594259958964
ripemd-160
a39e0eaba9323f90ed3fe3323bb9909999ff19ac
Diameter
175933962
Circumference
552712842.53615
Area
2.4310240058917E+16
Volume
2.8513312338242E+24
Surface area
9.7240960235666E+16
Circumference
552712842.53615
Perimeter
351867924
Area
7738189746254361
Diagonal
124404097.57122
Surface area
46429138477526166
Volume
6.8070519038315E+23
Space diagonal
152363280.48045
Perimeter
263900943
Area
3.3507344497803E+15
Altitude
76181640.240223
Surface area
3.3507344497803E+15
Volume
8.0221876018134E+22
Height
41468032.523739