81586084 is an even 8-digits composite number following 81586083
and preceding 81586085 . In scientific notation, it is written as 8.1586084 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 40753664 positive integers (up to 81586084) that are relatively prime to 81586084.
81586084 has 12 divisors, whose sum is 142913484
The reverse of 81586084 is 48068518
Previous prime number is 1097
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million five hundred eighty-six thousand eighty-four
Scientific notation
8.1586084 × 10^7
Engineering notation
8.1586084 × 10^6
Prime Factorization
2 × 2 × 1097 × 18593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40793042
Product of the distinct prime numbers
The prime factorization of 81586084 is 2 × 2 × 1097 × 18593.
Since it has a total of 4 prime factors.
8 , 2 , 81 , 85 , 713 , 150 , 6885 , 4759 , 45334 , 81331 , 283198 , 983237 , 7194252 , 4891638 , 84501707 , 73854447 , 87711572 , 42874979 , 4745606764 , 9652391702
n×2
163172168
n×3
244758252
n×4
326344336
n×5
407930420
n÷2
40793042
n÷3
27195361.333333
n÷3
20396521
n÷5
16317216.8
n2
6656289102455056
n3
5.4306056184118E+23
n4
4.4306184615462E+31
n5
3.6147680997566E+39
2 √n
9032.5015361194
3 √n
433.71591905566
4 √n
95.039473568194
5 √n
38.222863336495
1 , 2 , 4 , 1097 , 2194 , 4388 , 18593 , 37186 , 74372 , 20396521 , 40793042 , 81586084
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
-81586083
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 81586084 can be divided by 12 positive divisors.
The sum of these divisors (counting 81586084) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111001110011110100100
3
Ternary
12200112000001211
4
Quaternary
10313032132210
5
Quinary
131341223314
6
Senary
12032401204
8
Octal
467163644
10
Decimal
81586084
12
Duodecimal
233a6204
16
Hexadecimal
4dce7a4
20
Vigesimal
159i544
36
Base36
1cko84
md5
925342399a80890f593a9e80c4a57257
sha1
ca53b41faac6fed7e0e38d06abf0ff5d4e3798f3
sha256
85c2e35b6c6dd13617c48f18afc63d680623a848fcc940738a0ac15967aa73f5
sha512
81eadb4b1d961c5671dca93ac86a4553dfa1b3e53c31493e2bf45bcfd48d729b0534221c5f7af6f4de10af08e5da3ec660b2c390989f0fb194b4bfec2faa596c
ripemd-160
a988db4eb2eba860028ad7441aaf56612782a576
Diameter
163172168
Circumference
512620484.25912
Area
2.0911348944443E+16
Volume
2.2747667620461E+24
Surface area
8.364539577777E+16
Circumference
512620484.25912
Perimeter
326344336
Area
6656289102455056
Diagonal
115380146.49371
Surface area
39937734614730336
Volume
5.4306056184118E+23
Space diagonal
141311242.67858
Perimeter
244758252
Area
2.8822577288298E+15
Altitude
70655621.339291
Surface area
2.8822577288298E+15
Volume
6.4000300978813E+22
Height
38460048.831237