81584468 is an even 8-digits composite number following 81584467
and preceding 81584469 . In scientific notation, it is written as 8.1584468 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 34923168 positive integers (up to 81584468) that are relatively prime to 81584468.
81584468 has 24 divisors, whose sum is 163363200
The reverse of 81584468 is 86448518
Previous prime number is 1429
Is Prime? no Number parity even Number length 8 Sum of Digits 44 Digital Root 8
Name
eighty-one million five hundred eighty-four thousand four hundred sixty-eight
Scientific notation
8.1584468 × 10^7
Engineering notation
8.1584468 × 10^6
Prime Factorization
2 × 2 × 7 × 1429 × 2039
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40792234 Product of the distinct prime numbers
The prime factorization of 81584468 is 2 × 2 × 7 × 1429 × 2039.
Since it has a total of 5 prime factors.
9 , 2 , 95 , 13 , 563 , 747 , 6765 , 2822 , 76594 , 55330 , 706156 , 354667 , 3224116 , 6693324 , 96635784 , 68158084 , 226886337 , 521599613 , 5332925692 , 939548482
n×2
163168936
n×3
244753404
n×4
326337872
n×5
407922340
n÷2
40792234
n÷3
27194822.666667
n÷3
20396117
n÷5
16316893.6
n2
6656025418843024
n3
5.4302829279079E+23
n4
4.4302674376284E+31
n5
3.6144101199664E+39
2 √n9032.4120809449
3 √n433.71305545639
4 √n95.039002945869
5 √n38.222711916955
1 , 2 , 4 , 7 , 14 , 28 , 1429 , 2039 , 2858 , 4078 , 5716 , 8156 , 10003 , 14273 , 20006 , 28546 , 40012 , 57092 , 2913731 , 5827462 , 11654924 , 20396117 , 40792234 , 81584468
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
-81584467 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 81584468 can be divided by 24 positive divisors.
The sum of these divisors (counting 81584468) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111001110000101010100
3
Ternary
12200111220211222
4
Quaternary
10313032011110
5
Quinary
131341200333
6
Senary
12032345512
8
Octal
467160524
10
Decimal
81584468
12
Duodecimal
233a5298
16
Hexadecimal
4dce154
20
Vigesimal
159i138
36
Base36
1ckmz8
md5
f5e3bb4a9a884668292bdbf906f37af7
sha1
906becc12ebbb9cc415cfb8840c59383e6ba5145
sha256
75a196edeca5c702a8f835c56b60eba403936496db4a7cdd805b501cc195c6e6
sha512
e38183d90146567faebddd48d367922040c600d1b3575458ffeb2cd869fef81832f854195a209e7ad8f9f9ee44b11250e2d76c969dc86a1937da101449857efc
ripemd-160
3d5ac6868a292a9870d1f207387cf12a20db2e3e
Diameter
163168936
Circumference
512610330.63166
Area
2.0910520557944E+16
Volume
2.2746315937639E+24
Surface area
8.3642082231777E+16
Circumference
512610330.63166
Perimeter
326337872
Area
6656025418843024
Diagonal
115377861.12459
Surface area
39936152513058144
Volume
5.4302829279079E+23
Space diagonal
141308443.68448
Perimeter
244753404
Area
2.8821435504765E+15
Altitude
70654221.842239
Surface area
2.8821435504765E+15
Volume
6.3996498034753E+22
Height
38459287.041531