81728504 (number)

81728504 is an even 8-digits composite number following 81728503 and preceding 81728505. In scientific notation, it is written as 8.1728504 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 64 positive divisors. There are 34024320 positive integers (up to 81728504) that are relatively prime to 81728504.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-eight thousand five hundred four

Notation

Scientific notation 8.1728504 × 10^7
Engineering notation 8.1728504 × 10^6

Prime Factorization of 81728504

Prime Factorization 2 × 2 × 2 × 13 × 11 × 199 × 359

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20432126
Product of the distinct prime numbers

The prime factorization of 81728504 is 2 × 2 × 2 × 13 × 11 × 199 × 359. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 10, 96, 87, 186, 417, 8368, 5852, 94704, 30336, 786293, 653656, 3772860, 7829676, 87360470, 40626893, 67516681, 516173237, 4229888152, 6799746614

Basic calculations (n = 81728504)

Multiplication

n×y
n×2 163457008
n×3 245185512
n×4 326914016
n×5 408642520

Division

n÷y
n÷2 40864252
n÷3 27242834.666667
n÷3 20432126
n÷5 16345700.8

Exponentiation

ny
n2 6679548366078016
n3 5.459094953552E+23
n4 4.4616366374775E+31
n5 3.6464288777263E+39

Nth Root

y√n
2√n 9040.3818503424
3√n 433.96814308841
4√n 95.080922641413
5√n 38.236198706469

Divisors of 81728504

1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 199, 286, 359, 398, 572, 718, 796, 1144, 1436, 1592, 2189, 2587, 2872, 3949, 4378, 4667, 5174, 7898, 8756, 9334, 10348, 15796, 17512, 18668, 20696, 28457, 31592, 37336, 51337, 56914, 71441, 102674, 113828, 142882, 205348, 227656, 285764, 410696, 571528, 785851, 928733, 1571702, 1857466, 3143404, 3714932, 6286808, 7429864, 10216063, 20432126, 40864252, 81728504

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81728503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81728504 can be divided by 64 positive divisors. The sum of these divisors (counting 81728504) is 1, the average is 0.015625.

Base conversion 81728504

Base System Value
2 Binary 100110111110001001111111000
3 Ternary 12200210020102122
4 Quaternary 10313301033320
5 Quinary 131410303004
6 Senary 12035420412
8 Octal 467611770
10 Decimal 81728504
12 Duodecimal 23454708
16 Hexadecimal 4df13f8
20 Vigesimal 15ag154
36 Base36 1cnq48

Cryptographic Hash Functions

md5 bab73a2b29baba0f8731ec14debad7b5
sha1 6c0a52446e7575ccbae9f8d611da2fc429abac3c
sha256 a2243479daf72badd6bfe85560dee22bce46febd3e0d44e93d1b1292b0c4f94b
sha512 1885354e9a99ecf8a90534a2619bf330bc027328073cbb4cef915ca27e3c80f6bbc2b08c9af70b1e955dc886ed16448bd1aec7264c5ac94a4ce534097737acf6
ripemd-160 30b9e776651e5cf010b5a8785a96a6832a18444f

81728504 as geometric shapes

Circle

Radius = n
Diameter 163457008
Circumference 513515335.51057
Area 2.0984420076168E+16

Sphere

Radius = n
Volume 2.2867003468437E+24
Surface area 8.3937680304674E+16
Circumference 513515335.51057

Square

Length = n
Perimeter 326914016
Area 6679548366078016
Diagonal 115581558.78926

Cube

Length = n
Surface area 40077290196468096
Volume 5.459094953552E+23
Space diagonal 141557921.3546

Equilateral Triangle

Length = n
Perimeter 245185512
Area 2.8923292854152E+15
Altitude 70778960.677298

Triangular Pyramid

Length = n
Surface area 2.8923292854152E+15
Volume 6.4336051013298E+22
Height 38527186.263088