81750306 (number)

81750306 is an even 8-digits composite number following 81750305 and preceding 81750307. In scientific notation, it is written as 8.1750306 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 24457680 positive integers (up to 81750306) that are relatively prime to 81750306.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand three hundred six

Notation

Scientific notation 8.1750306 × 10^7
Engineering notation 8.1750306 × 10^6

Prime Factorization of 81750306

Prime Factorization 2 × 3 × 11 × 79 × 15679

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81750306
Product of the distinct prime numbers

The prime factorization of 81750306 is 2 × 3 × 11 × 79 × 15679. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81750306)

Multiplication

n×y
n×2 163500612
n×3 245250918
n×4 327001224
n×5 408751530

Division

n÷y
n÷2 40875153
n÷3 27250102
n÷3 20437576.5
n÷5 16350061.2

Exponentiation

ny
n2 6683112531093636
n3 5.4634649444934E+23
n4 4.4663993103261E+31
n5 3.6512951033735E+39

Nth Root

y√n
2√n 9041.5875818354
3√n 434.00672828944
4√n 95.087262984247
5√n 38.238238476259

Divisors of 81750306

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 -81750305
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 81750306 can be divided by 32 positive divisors. The sum of these divisors (counting 81750306) is 1, the average is 0.03125.

Base conversion 81750306

Base System Value
2 Binary 100110111110110100100100010
3 Ternary 12200211100100010
4 Quaternary 10313312210202
5 Quinary 131412002211
6 Senary 12040105350
8 Octal 467664442
10 Decimal 81750306
12 Duodecimal 23465256
16 Hexadecimal 4df6922
20 Vigesimal 15aiff6
36 Base36 1co6xu

Cryptographic Hash Functions

md5 443ee4fe1f2b559ef8b8ea9f7c749bb3
sha1 f77b35c4d051525c14caf56937cdb43a0f50b187
sha256 a919195d788c14df39062f38a9147acc46a99b83d3ede483f29f01eb9754bdbd
sha512 fb76f74b6565b15378854ad107831aefa746587ccd5611e626449215b74aee41ad9b359d2c4d50de92b9323cc27cd35634b4c8a5e595aa6ddb8b7c16597ad893
ripemd-160 7a13ae0e6509336b9212d5ab6d8e223a578851d0

81750306 as geometric shapes

Circle

Radius = n
Diameter 163500612
Circumference 513652321.51664
Area 2.0995617230798E+16

Sphere

Radius = n
Volume 2.2885308443688E+24
Surface area 8.3982468923191E+16
Circumference 513652321.51664

Square

Length = n
Perimeter 327001224
Area 6683112531093636
Diagonal 115612391.47335

Cube

Length = n
Surface area 40098675186561816
Volume 5.4634649444934E+23
Space diagonal 141595683.5263

Equilateral Triangle

Length = n
Perimeter 245250918
Area 2.8938726141386E+15
Altitude 70797841.763151

Triangular Pyramid

Length = n
Surface area 2.8938726141386E+15
Volume 6.4387551850438E+22
Height 38537463.82445