81272306 (number)

81272306 is an even 8-digits composite number following 81272305 and preceding 81272307. In scientific notation, it is written as 8.1272306 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 39511056 positive integers (up to 81272306) that are relatively prime to 81272306.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-two thousand three hundred six

Notation

Scientific notation 8.1272306 × 10^7
Engineering notation 8.1272306 × 10^6

Prime Factorization of 81272306

Prime Factorization 2 × 157 × 47 × 5507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81272306
Product of the distinct prime numbers

The prime factorization of 81272306 is 2 × 157 × 47 × 5507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 71, 28, 802, 416, 5115, 1495, 36548, 15337, 244434, 981402, 7781070, 9368491, 68056248, 48476758, 879060904, 239214141, 2922095063, 5810420338

Basic calculations (n = 81272306)

Multiplication

n×y
n×2 162544612
n×3 243816918
n×4 325089224
n×5 406361530

Division

n÷y
n÷2 40636153
n÷3 27090768.666667
n÷3 20318076.5
n÷5 16254461.2

Exponentiation

ny
n2 6605187722557636
n3 5.3681883777515E+23
n4 4.3628504850226E+31
n5 3.5457891965101E+39

Nth Root

y√n
2√n 9015.1154180077
3√n 433.15918459154
4√n 94.947961631663
5√n 38.19341717023

Divisors of 81272306

1, 2, 47, 94, 157, 314, 5507, 7379, 11014, 14758, 258829, 517658, 864599, 1729198, 40636153, 81272306

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81272305
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81272306 can be divided by 16 positive divisors. The sum of these divisors (counting 81272306) is 1, the average is 0.0625.

Base conversion 81272306

Base System Value
2 Binary 100110110000001110111110010
3 Ternary 12122221001122102
4 Quaternary 10312001313302
5 Quinary 131301203211
6 Senary 12021540402
8 Octal 466016762
10 Decimal 81272306
12 Duodecimal 23274702
16 Hexadecimal 4d81df2
20 Vigesimal 157j0f6
36 Base36 1cdy42

Cryptographic Hash Functions

md5 f11cb357ba1c717b251eb2cec177fc50
sha1 764ec8b5328429c53a99f2badf106348239f8add
sha256 a7bd119c9a474e160ba8fb4fe9237452deaeb73ce6afd24118962d93b77f3686
sha512 8967d81bee2ef08abddecc3a94f0904c1892a5bffe6bb3a564a0149f23c2f679513c3a9e43eba5c663437e37dbe36c017e080d544ada6d5beb4bbae9ca53927b
ripemd-160 025a01a90ac0266c7a44f3cac21e52e830fb82ad

81272306 as geometric shapes

Circle

Radius = n
Diameter 162544612
Circumference 510648958.9398
Area 2.0750809224769E+16

Sphere

Radius = n
Volume 2.2486214894174E+24
Surface area 8.3003236899074E+16
Circumference 510648958.9398

Square

Length = n
Perimeter 325089224
Area 6605187722557636
Diagonal 114936397.39054

Cube

Length = n
Surface area 39631126335345816
Volume 5.3681883777515E+23
Space diagonal 140767763.24028

Equilateral Triangle

Length = n
Perimeter 243816918
Area 2.86013018225E+15
Altitude 70383881.620142

Triangular Pyramid

Length = n
Surface area 2.86013018225E+15
Volume 6.3264706743248E+22
Height 38312132.463512