81072548 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred forty-eight

Notation

Scientific notation 8.1072548 × 10^7
Engineering notation 8.1072548 × 10^6

Prime Factorization of 81072548

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.

Most popular turbo-numbers

Basic calculations (n = 81072548)

Multiplication

n×y
n×2 162145096
n×3 243217644
n×4 324290192
n×5 405362740

Division

n÷y
n÷2 40536274
n÷3 27024182.666667
n÷3 20268137
n÷5 16214509.6

Exponentiation

ny
n2 6572758039212304
n3 5.3287024162643E+23
n4 4.320114824203E+31
n5 3.5024271645071E+39

Nth Root

y√n
2√n 9004.0295423771
3√n 432.80400825177
4√n 94.889564981494
5√n 38.174623677097

Divisors of 81072548

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 conversion 81072548

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

Cryptographic Hash Functions

md5 006500db2b25c5066019f89b8ebb617e
sha1 dc44c964f74d008fd885dd255bd57ca1af0b79d3
sha256 8831b61488f62740168dd7056038cfbd092fe91ee7fa5e16b561cdeb6aa740fd
sha512 585aecd6ee621f7d06d31f4fc7487b97c5f9e06d84568e701749c60271fbeb2d84382d66ad4ce21e8cc40939d35f241ad3f41c39b4309230ceb37ad5de4747e0
ripemd-160 662073a0b0bceb7d5c78f4851b1a618367809061

81072548 as geometric shapes

Circle

Radius = n
Diameter 162145096
Circumference 509393842.40921
Area 2.0648928369813E+16

Sphere

Radius = n
Volume 2.2320816485469E+24
Surface area 8.2595713479251E+16
Circumference 509393842.40921

Square

Length = n
Perimeter 324290192
Area 6572758039212304
Diagonal 114653896.91774

Cube

Length = n
Surface area 39436548235273824
Volume 5.3287024162643E+23
Space diagonal 140421772.23507

Equilateral Triangle

Length = n
Perimeter 243217644
Area 2.8460877174431E+15
Altitude 70210886.117533

Triangular Pyramid

Length = n
Surface area 2.8460877174431E+15
Volume 6.2799360224427E+22
Height 38217965.639248