81584484 is an even 8-digits composite number following 81584483
and preceding 81584485 . In scientific notation, it is written as 8.1584484 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 27077184 positive integers (up to 81584484) that are relatively prime to 81584484.
81584484 has 24 divisors, whose sum is 191187360
The reverse of 81584484 is 48448518
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million five hundred eighty-four thousand four hundred eighty-four
Scientific notation
8.1584484 × 10^7
Engineering notation
8.1584484 × 10^6
Prime Factorization
2 × 2 × 3 × 233 × 29179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40792242
Product of the distinct prime numbers
The prime factorization of 81584484 is 2 × 2 × 3 × 233 × 29179.
Since it has a total of 5 prime factors.
2 , 3 , 3 , 84 , 989 , 257 , 7017 , 4882 , 97890 , 62062 , 349761 , 649533 , 7376235 , 4079706 , 43948836 , 32178798 , 221858711 , 2691733 , 4042272954 , 717399284
n×2
163168968
n×3
244753452
n×4
326337936
n×5
407922420
n÷2
40792242
n÷3
27194828
n÷3
20396121
n÷5
16316896.8
n2
6656028029546256
n3
5.4302861228007E+23
n4
4.4302709130105E+31
n5
3.6144136641817E+39
2 √n
9032.4129666441
3 √n
433.71308380904
4 √n
95.03900760553
5 √n
38.22271341617
1 , 2 , 3 , 4 , 6 , 12 , 233 , 466 , 699 , 932 , 1398 , 2796 , 29179 , 58358 , 87537 , 116716 , 175074 , 350148 , 6798707 , 13597414 , 20396121 , 27194828 , 40792242 , 81584484
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81584483
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81584484 can be divided by 24 positive divisors.
The sum of these divisors (counting 81584484) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111001110000101100100
3
Ternary
12200111220212120
4
Quaternary
10313032011210
5
Quinary
131341200414
6
Senary
12032345540
8
Octal
467160544
10
Decimal
81584484
12
Duodecimal
233a52b0
16
Hexadecimal
4dce164
20
Vigesimal
159i144
36
Base36
1ckmzo
md5
22ec8de5e8c61175c3e3f8de35194e2b
sha1
4dbdee9c30f268fef0a36934f20fd8fff33fa247
sha256
515870bb8320be29d756b81859a35a0925ec2029762ed2919c3c7ef953644fd3
sha512
6c6940102a019ec35997668d732df22b79a2c55ec828fcf8b57aaee2ad327428e833d004530e86cb12c4a68a96f9e42803018e944974a1167ea2ecbbe1d3f79b
ripemd-160
8a65cab7163ae4c6128c2e3ed5fffda7943a9581
Diameter
163168968
Circumference
512610431.16263
Area
2.091052875971E+16
Volume
2.2746329320375E+24
Surface area
8.3642115038841E+16
Circumference
512610431.16263
Perimeter
326337936
Area
6656028029546256
Diagonal
115377883.75201
Surface area
39936168177277536
Volume
5.4302861228007E+23
Space diagonal
141308471.39729
Perimeter
244753452
Area
2.8821446809442E+15
Altitude
70654235.698645
Surface area
2.8821446809442E+15
Volume
6.3996535686926E+22
Height
38459294.584004