81504654 is an even 8-digits composite number following 81504653
and preceding 81504655 . In scientific notation, it is written as 8.1504654 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 21169920 positive integers (up to 81504654) that are relatively prime to 81504654.
81504654 has 32 divisors, whose sum is 203233536
The reverse of 81504654 is 45640518
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million five hundred four thousand six hundred fifty-four
Scientific notation
8.1504654 × 10^7
Engineering notation
8.1504654 × 10^6
Prime Factorization
2 × 3 × 7 × 11 × 176417
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81504654
Product of the distinct prime numbers
The prime factorization of 81504654 is 2 × 3 × 7 × 11 × 176417.
Since it has a total of 5 prime factors.
4 , 3 , 16 , 31 , 538 , 833 , 388 , 415 , 57857 , 50576 , 671171 , 20362 , 8760940 , 9244438 , 37097599 , 78951178 , 177780608 , 35291356 , 1001813678 , 3574247017
n×2
163009308
n×3
244513962
n×4
326018616
n×5
407523270
n÷2
40752327
n÷3
27168218
n÷3
20376163.5
n÷5
16300930.8
n2
6643008623659716
n3
5.414361193904E+23
n4
4.4129563574017E+31
n5
3.5967648102713E+39
2 √n
9027.9928001744
3 √n
433.57157563315
4 √n
95.015750274227
5 √n
38.21523034085
1 , 2 , 3 , 6 , 7 , 11 , 14 , 21 , 22 , 33 , 42 , 66 , 77 , 154 , 231 , 462 , 176417 , 352834 , 529251 , 1058502 , 1234919 , 1940587 , 2469838 , 3704757 , 3881174 , 5821761 , 7409514 , 11643522 , 13584109 , 27168218 , 40752327 , 81504654
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81504653
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81504654 can be divided by 32 positive divisors.
The sum of these divisors (counting 81504654) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110111010100110001110
3
Ternary
12200100212100220
4
Quaternary
10312322212032
5
Quinary
131331122104
6
Senary
12030532210
8
Octal
466724616
10
Decimal
81504654
12
Duodecimal
23367066
16
Hexadecimal
4dba98e
20
Vigesimal
15981ce
36
Base36
1cixe6
md5
161ffc058475526fccd9c790c2e4bed7
sha1
65a45ff1fd82fa8d250d061391049cb470d17697
sha256
6b9831adc3543652237b4a0aabe4c5966552f365818fc5f5d715cad32f77917f
sha512
d68c1ed779be7c7d6f65a31d75818c892ae1967d6e1a2e9bdf402a87c3d7566bb195569b734a7632b78354fdb4faa14428a596eb91d277cfb3c0c1a837d9409d
ripemd-160
8205db3ae5dd1168c09f2b0a1a5ceeb484446cd9
Diameter
163009308
Circumference
512108844.47956
Area
2.0869627089823E+16
Volume
2.2679623134201E+24
Surface area
8.3478508359292E+16
Circumference
512108844.47956
Perimeter
326018616
Area
6643008623659716
Diagonal
115264987.08333
Surface area
39858051741958296
Volume
5.414361193904E+23
Space diagonal
141170201.78132
Perimeter
244513962
Area
2.8765071128242E+15
Altitude
70585100.890661
Surface area
2.8765071128242E+15
Volume
6.3808858600047E+22
Height
38421662.361109