81072548 is an even 8-digits composite number following 81072547
and preceding 81072549 . In scientific notation, it is written as 8.1072548 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 40536272 positive integers (up to 81072548) that are relatively prime to 81072548.
81072548 has 6 divisors, whose sum is 141876966
The reverse of 81072548 is 84527018
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seventy-two thousand five hundred forty-eight
Scientific notation
8.1072548 × 10^7
Engineering notation
8.1072548 × 10^6
Prime Factorization
2 × 2 × 20268137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40536274
Product of the distinct prime numbers
The prime factorization of 81072548 is 2 × 2 × 20268137.
Since it has a total of 3 prime factors.
6 , 1 , 17 , 16 , 928 , 630 , 3456 , 2833 , 59638 , 15973 , 531711 , 486764 , 8337338 , 7992324 , 58702992 , 83801273 , 213348145 , 356297782 , 7382894373 , 5233187181
n×2
162145096
n×3
243217644
n×4
324290192
n×5
405362740
n÷2
40536274
n÷3
27024182.666667
n÷3
20268137
n÷5
16214509.6
n2
6572758039212304
n3
5.3287024162643E+23
n4
4.320114824203E+31
n5
3.5024271645071E+39
2 √n
9004.0295423771
3 √n
432.80400825177
4 √n
94.889564981494
5 √n
38.174623677097
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81072547
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81072548 can be divided by 6 positive divisors.
The sum of these divisors (counting 81072548) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110101010001000110100100
3
Ternary
12122112220121222
4
Quaternary
10311101012210
5
Quinary
131223310143
6
Senary
12013355512
8
Octal
465210644
10
Decimal
81072548
12
Duodecimal
23198b98
16
Hexadecimal
4d511a4
20
Vigesimal
156e178
36
Base36
1c9nz8
md5
006500db2b25c5066019f89b8ebb617e
sha1
dc44c964f74d008fd885dd255bd57ca1af0b79d3
sha256
8831b61488f62740168dd7056038cfbd092fe91ee7fa5e16b561cdeb6aa740fd
sha512
585aecd6ee621f7d06d31f4fc7487b97c5f9e06d84568e701749c60271fbeb2d84382d66ad4ce21e8cc40939d35f241ad3f41c39b4309230ceb37ad5de4747e0
ripemd-160
662073a0b0bceb7d5c78f4851b1a618367809061
Diameter
162145096
Circumference
509393842.40921
Area
2.0648928369813E+16
Volume
2.2320816485469E+24
Surface area
8.2595713479251E+16
Circumference
509393842.40921
Perimeter
324290192
Area
6572758039212304
Diagonal
114653896.91774
Surface area
39436548235273824
Volume
5.3287024162643E+23
Space diagonal
140421772.23507
Perimeter
243217644
Area
2.8460877174431E+15
Altitude
70210886.117533
Surface area
2.8460877174431E+15
Volume
6.2799360224427E+22
Height
38217965.639248