81489504 is an even 8-digits composite number following 81489503
and preceding 81489505 . In scientific notation, it is written as 8.1489504 × 10^7.
The sum of its digits is 39. It has a total of 7 prime factors and 24 positive divisors.
There are 27163136 positive integers (up to 81489504) that are relatively prime to 81489504.
81489504 has 24 divisors, whose sum is 213910200
The reverse of 81489504 is 40598418
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred eighty-nine thousand five hundred four
Scientific notation
8.1489504 × 10^7
Engineering notation
8.1489504 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 848849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5093094
Product of the distinct prime numbers
The prime factorization of 81489504 is 2 × 2 × 2 × 2 × 2 × 3 × 848849.
Since it has a total of 7 prime factors.
8 , 6 , 47 , 40 , 177 , 13 , 4523 , 3191 , 43937 , 91865 , 361689 , 450630 , 5535972 , 8292524 , 63578109 , 84631867 , 261146169 , 13662919 , 8708589772 , 8273642170
n×2
162979008
n×3
244468512
n×4
325958016
n×5
407447520
n÷2
40744752
n÷3
27163168
n÷3
20372376
n÷5
16297900.8
n2
6640539262166016
n3
5.4113425076643E+23
n4
4.4096761692368E+31
n5
3.5934232383173E+39
2 √n
9027.1537042414
3 √n
433.54471002454
4 √n
95.011334609306
5 √n
38.213809553784
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 848849 , 1697698 , 2546547 , 3395396 , 5093094 , 6790792 , 10186188 , 13581584 , 20372376 , 27163168 , 40744752 , 81489504
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
-81489503
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 81489504 can be divided by 24 positive divisors.
The sum of these divisors (counting 81489504) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110110110111001100000
3
Ternary
12200100002120210
4
Quaternary
10312312321200
5
Quinary
131330131004
6
Senary
12030334120
8
Octal
466667140
10
Decimal
81489504
12
Duodecimal
2335a340
16
Hexadecimal
4db6e60
20
Vigesimal
15963f4
36
Base36
1cilpc
md5
d76f4f091f77e59813cb6bdbcd054413
sha1
17d8be337327695536da17c0866673f41ac1f807
sha256
1225a95d97e461e4b3d084bdd2ea215aec8ceb44863656ea0133cd0fc56e23ff
sha512
cc0a9d40a3c88aa60c186776791881c6a46fb0d01f3c42bd1b1e3c0ceb9f146e872cbbf8d87aee41a6729dc01d0377354fda4b36dd7e9dcd11a18555d8e38357
ripemd-160
f99abc43b0793015ffde66c0a6c451765abfebf4
Diameter
162979008
Circumference
512013654.22215
Area
2.0861869361895E+16
Volume
2.2666978490849E+24
Surface area
8.3447477447581E+16
Circumference
512013654.22215
Perimeter
325958016
Area
6640539262166016
Diagonal
115243561.74786
Surface area
39843235572996096
Volume
5.4113425076643E+23
Space diagonal
141143961.21159
Perimeter
244468512
Area
2.8754378479319E+15
Altitude
70571980.605794
Surface area
2.8754378479319E+15
Volume
6.3773283041541E+22
Height
38414520.582619