81452015 is an odd 8-digits composite number following 81452014
and preceding 81452016 . In scientific notation, it is written as 8.1452015 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 61328512 positive integers (up to 81452015) that are relatively prime to 81452015.
81452015 has 8 divisors, whose sum is 103492080
The reverse of 81452015 is 51025418
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million four hundred fifty-two thousand fifteen
Scientific notation
8.1452015 × 10^7
Engineering notation
8.1452015 × 10^6
Prime Factorization
5 × 17 × 958259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81452015
Product of the distinct prime numbers
The prime factorization of 81452015 is 5 × 17 × 958259.
Since it has a total of 3 prime factors.
8 , 4 , 40 , 61 , 146 , 332 , 9772 , 1918 , 49306 , 78510 , 352015 , 820884 , 1186095 , 240836 , 19992147 , 59613480 , 618545568 , 805373425 , 4597787836 , 4755874298
n×2
162904030
n×3
244356045
n×4
325808060
n×5
407260075
n÷2
40726007.5
n÷3
27150671.666667
n÷3
20363003.75
n÷5
16290403
n2
6634430747560225
n3
5.4038775276674E+23
n4
4.4015671344173E+31
n5
3.5851651225606E+39
2 √n
9025.0770079817
3 √n
433.47821618227
4 √n
95.000405304302
5 √n
38.210292877074
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81452014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81452015 can be divided by 8 positive divisors.
The sum of these divisors (counting 81452015) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101101101111101111
3
Ternary
12200021012011022
4
Quaternary
10312231233233
5
Quinary
131322431030
6
Senary
12025444355
8
Octal
466555757
10
Decimal
81452015
12
Duodecimal
233406bb
16
Hexadecimal
4dadbef
20
Vigesimal
1591a0f
36
Base36
1chsrz
md5
894464bef385e8c0a04d91a966584aeb
sha1
96442ec1329c0b487831d205924b0785eb32720b
sha256
95c7d2e8a3a484a578b06199f96e3327893f73af737f79c619b78a39360fe0af
sha512
f21b744090374fd16d70ea0cb01e13f7d635a1806c1922e5198d3d781165904158cd673fdb9a1d284ab4df88bca59338c409d8680888597d2d18d9d0371c92f4
ripemd-160
43d9de867065d117f4f8b5852c22b921a3454917
Diameter
162904030
Circumference
511778103.88817
Area
2.0842678897285E+16
Volume
2.2635709255758E+24
Surface area
8.3370715589142E+16
Circumference
511778103.88817
Perimeter
325808060
Area
6634430747560225
Diagonal
115190544.29562
Surface area
39806584485361350
Volume
5.4038775276674E+23
Space diagonal
141079028.35886
Perimeter
244356045
Area
2.8727927835179E+15
Altitude
70539514.179431
Surface area
2.8727927835179E+15
Volume
6.3685307408587E+22
Height
38396848.098539