81503460 is an even 8-digits composite number following 81503459
and preceding 81503461 . In scientific notation, it is written as 8.1503460 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 21734208 positive integers (up to 81503460) that are relatively prime to 81503460.
81503460 has 24 divisors, whose sum is 190175160
The reverse of 81503460 is 06430518
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million five hundred three thousand four hundred sixty
Scientific notation
8.1503460 × 10^7
Engineering notation
8.1503460 × 10^6
Prime Factorization
2 × 2 × 9 × 5 × 452797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40751730
Product of the distinct prime numbers
The prime factorization of 81503460 is 2 × 2 × 9 × 5 × 452797.
Since it has a total of 5 prime factors.
6 , 10 , 68 , 69 , 890 , 856 , 603 , 9250 , 74521 , 98629 , 151656 , 524644 , 5340226 , 8368772 , 15992091 , 59822767 , 177641838 , 368739561 , 2238218737 , 461240097
n×2
163006920
n×3
244510380
n×4
326013840
n×5
407517300
n÷2
40751730
n÷3
27167820
n÷3
20375865
n÷5
16300692
n2
6642813991971600
n3
5.414123244821E+23
n4
4.4126977731934E+31
n5
3.5965013644955E+39
2 √n
9027.9266722764
3 √n
433.56945842485
4 √n
95.015402289715
5 √n
38.215118373618
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 452797 , 905594 , 1811188 , 2263985 , 4075173 , 4527970 , 8150346 , 9055940 , 16300692 , 20375865 , 40751730 , 81503460
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
-81503459
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 81503460 can be divided by 24 positive divisors.
The sum of these divisors (counting 81503460) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110111010010011100100
3
Ternary
12200100210201200
4
Quaternary
10312322103210
5
Quinary
131331102320
6
Senary
12030522500
8
Octal
466722344
10
Decimal
81503460
12
Duodecimal
23366430
16
Hexadecimal
4dba4e4
20
Vigesimal
1597id0
36
Base36
1ciwh0
md5
9e84358dedc0f2ebb48704e092ac18eb
sha1
d771ad45bcb1534f3b1b335b2c546dd4ad8b0295
sha256
84a6bc2252c18aee5f25e284fd5ca6b2fc8aeebe1f4d23bf2cd7c59ed643869f
sha512
cf5db09b30e4a0797215659d35a7cd78b5f94e75e08063d7a4be89ec6f29fc27f5c71879ebe03054dd8fdb8c53be88e1c2abb7fa71de66cd145044cd0c83b499
ripemd-160
fb4d39e8bd7e3a5df45b664be169f7ee1ad5b1b0
Diameter
163006920
Circumference
512101342.3563
Area
2.0869015636341E+16
Volume
2.2678626415412E+24
Surface area
8.3476062545366E+16
Circumference
512101342.3563
Perimeter
326013840
Area
6642813991971600
Diagonal
115263298.51233
Surface area
39856883951829600
Volume
5.414123244821E+23
Space diagonal
141168133.71266
Perimeter
244510380
Area
2.8764228348311E+15
Altitude
70584066.856329
Surface area
2.8764228348311E+15
Volume
6.380605434321E+22
Height
38421099.504111