81504 is an even 5-digits composite number following 81503
and preceding 81505 . In scientific notation, it is written as 8.1504 × 10^4.
The sum of its digits is 18. It has a total of 7 prime factors and 24 positive divisors.
There are 27072 positive integers (up to 81504) that are relatively prime to 81504.
81504 has 24 divisors, whose sum is 178920
The reverse of 81504 is 40518
Previous prime number is 9
Is Prime? no
Number parity even
Number length 5
Sum of Digits 18
Digital Root 9
Name
eighty-one thousand five hundred four
Scientific notation
8.1504 × 10^4
Engineering notation
8.1504 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 9 × 283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5094
Product of the distinct prime numbers
The prime factorization of 81504 is 2 × 2 × 2 × 2 × 2 × 9 × 283.
Since it has a total of 7 prime factors.
8 , 8 , 87 , 57 , 210 , 333 , 128 , 7520 , 19532 , 31125 , 678743 , 703913 , 7665285 , 3760241 , 11135700 , 53549212 , 290952545 , 560657185 , 4266049533 , 7244133091
n×2
163008
n×3
244512
n×4
326016
n×5
407520
n÷2
40752
n÷3
27168
n÷3
20376
n÷5
16300.8
n2
6642902016
n3
541423085912064
n4
4.4128147194177E+19
n5
3.5966205089142E+24
2 √n
285.48905408089
3 √n
43.35704159588
4 √n
16.89642133947
5 √n
9.5992164519658
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 72 , 144 , 283 , 288 , 566 , 1132 , 2264 , 2547 , 4528 , 5094 , 9056 , 10188 , 20376 , 40752 , 81504
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
-81503
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 81504 can be divided by 24 positive divisors.
The sum of these divisors (counting 81504) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10011111001100000
3
Ternary
11010210200
4
Quaternary
103321200
5
Quinary
10102004
6
Senary
1425200
8
Octal
237140
10
Decimal
81504
12
Duodecimal
3b200
16
Hexadecimal
13e60
20
Vigesimal
a3f4
36
Base36
1qw0
md5
598ef234adb6e3312d67098a4c38c875
sha1
35283a96929b4671598f2f596a7285d2bad9b0d9
sha256
f125897e596f18c977e10f5fec9c384b794b6f94b2d8a309748efe3db34828fb
sha512
eb35ad40b8c12090288564800554127cdb5e0af1a05f4132dbe491dcd9651ea1b2d243c1adee798b218c7a7d06b76453f82d9e1d5fbb2313c7b8dcb7f5b4e84d
ripemd-160
0b208d40fb2bc2d2415913374293078344d42262
Diameter
163008
Circumference
512104.73527637
Area
20869292171.982
Volume
2.2679077189137E+15
Surface area
83477168687.93
Circumference
512104.73527637
Perimeter
326016
Area
6642902016
Diagonal
115264.06218766
Surface area
39857412096
Volume
541423085912064
Space diagonal
141169.06902009
Perimeter
244512
Area
2876460950.3534
Altitude
70584.534510047
Surface area
2876460950.3534
Volume
63807322589895
Height
38421.354062552