81582272 (number)

81582272 is an even 8-digits composite number following 81582271 and preceding 81582273. In scientific notation, it is written as 8.1582272 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 14 positive divisors. There are 40791104 positive integers (up to 81582272) that are relatively prime to 81582272.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1582272 × 10^7
Engineering notation 8.1582272 × 10^6

Prime Factorization of 81582272

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 1274723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2549446
Product of the distinct prime numbers

The prime factorization of 81582272 is 2 × 2 × 2 × 2 × 2 × 2 × 1274723. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 4, 3, 18, 817, 259, 4646, 7265, 62442, 58348, 244175, 256729, 4479954, 4729743, 99180588, 12097747, 500922329, 468899493, 7768574188, 6713290133

Basic calculations (n = 81582272)

Multiplication

n×y
n×2 163164544
n×3 244746816
n×4 326329088
n×5 407911360

Division

n÷y
n÷2 40791136
n÷3 27194090.666667
n÷3 20395568
n÷5 16316454.4

Exponentiation

ny
n2 6655667104681984
n3 5.4298444407562E+23
n4 4.4297904608346E+31
n5 3.6139237027881E+39

Nth Root

y√n
2√n 9032.290517914
3√n 433.70916401954
4√n 95.038363400861
5√n 38.222506147447

Divisors of 81582272

1, 2, 4, 8, 16, 32, 64, 1274723, 2549446, 5098892, 10197784, 20395568, 40791136, 81582272

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81582271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81582272 can be divided by 14 positive divisors. The sum of these divisors (counting 81582272) is 1, the average is 0.071428571428571.

Base conversion 81582272

Base System Value
2 Binary 100110111001101100011000000
3 Ternary 12200111210211122
4 Quaternary 10313031203000
5 Quinary 131341113042
6 Senary 12032331412
8 Octal 467154300
10 Decimal 81582272
12 Duodecimal 233a3b68
16 Hexadecimal 4dcd8c0
20 Vigesimal 159hfdc
36 Base36 1ckla8

Cryptographic Hash Functions

md5 60529eb07b4aa209731d3b66b90dba0c
sha1 b5de52a1f0750c3fc131940fa0ff9f4678569ca4
sha256 0bc84ca12c821b97d4574f38dcb55e3f4d3d756a5e9f56673b1b752c29a24fc4
sha512 854f92846fc85c763415a03faf452c3f648a8adc07ffcd8b0d8b17fa1ca7fef0b87d23f9a7c47b8644b5188627044befe4caaa0cdbfeecd3f38b1339ddd13b17
ripemd-160 21bb869f01b9c15993af0515a833c3b6155282f7

81582272 as geometric shapes

Circle

Radius = n
Diameter 163164544
Circumference 512596532.75673
Area 2.0909394880808E+16

Sphere

Radius = n
Volume 2.2744479206953E+24
Surface area 8.3637579523233E+16
Circumference 512596532.75673

Square

Length = n
Perimeter 326329088
Area 6655667104681984
Diagonal 115374755.51161

Cube

Length = n
Surface area 39934002628091904
Volume 5.4298444407562E+23
Space diagonal 141304640.1009

Equilateral Triangle

Length = n
Perimeter 244746816
Area 2.8819883958935E+15
Altitude 70652320.050452

Triangular Pyramid

Length = n
Surface area 2.8819883958935E+15
Volume 6.3991330414113E+22
Height 38458251.837204