81589812 (number)

81589812 is an even 8-digits composite number following 81589811 and preceding 81589813. In scientific notation, it is written as 8.1589812 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 27196600 positive integers (up to 81589812) that are relatively prime to 81589812.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred eighty-nine thousand eight hundred twelve

Notation

Scientific notation 8.1589812 × 10^7
Engineering notation 8.1589812 × 10^6

Prime Factorization of 81589812

Prime Factorization 2 × 2 × 3 × 6799151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40794906
Product of the distinct prime numbers

The prime factorization of 81589812 is 2 × 2 × 3 × 6799151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 4, 68, 198, 648, 6899, 6331, 51327, 49008, 102854, 652793, 8850258, 5024855, 86010763, 55434474, 259201036, 311682717, 9693634111, 6471009781

Basic calculations (n = 81589812)

Multiplication

n×y
n×2 163179624
n×3 244769436
n×4 326359248
n×5 407949060

Division

n÷y
n÷2 40794906
n÷3 27196604
n÷3 20397453
n÷5 16317962.4

Exponentiation

ny
n2 6656897422195344
n3 5.431350091802E+23
n4 4.4314283289631E+31
n5 3.6155940425157E+39

Nth Root

y√n
2√n 9032.7078996279
3√n 433.72252503649
4√n 95.040559234612
5√n 38.223212641727

Divisors of 81589812

1, 2, 3, 4, 6, 12, 6799151, 13598302, 20397453, 27196604, 40794906, 81589812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81589811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81589812 can be divided by 12 positive divisors. The sum of these divisors (counting 81589812) is 1, the average is 0.083333333333333.

Base conversion 81589812

Base System Value
2 Binary 100110111001111011000110100
3 Ternary 12200112012011220
4 Quaternary 10313033120310
5 Quinary 131341333222
6 Senary 12032430340
8 Octal 467173064
10 Decimal 81589812
12 Duodecimal 233a83b0
16 Hexadecimal 4dcf634
20 Vigesimal 159ieac
36 Base36 1ckr3o

Cryptographic Hash Functions

md5 81e8ae81dd1ba09fd4d3dc25073f124f
sha1 cebf717fa50589b95d8e3e4ff64fc7153214da38
sha256 01676fa2d59f7860253870875c63a2f7ef8151fa4cb9edaba5dc135e18be4c6d
sha512 2aec7ab2e520baa74ed86020d5040c4b235cd14d7789c90181a7052d42d59a45570b1bb4f2812f9a11a019b04fc8c3bd1b379986cc012dc8aa22630c0661a111
ripemd-160 7a19fabd0206970fb181264c6353e9d57200d5e9

81589812 as geometric shapes

Circle

Radius = n
Diameter 163179624
Circumference 512643907.97394
Area 2.091326003727E+16

Sphere

Radius = n
Volume 2.2750786063306E+24
Surface area 8.3653040149079E+16
Circumference 512643907.97394

Square

Length = n
Perimeter 326359248
Area 6656897422195344
Diagonal 115385418.68187

Cube

Length = n
Surface area 39941384533172064
Volume 5.431350091802E+23
Space diagonal 141317699.76399

Equilateral Triangle

Length = n
Perimeter 244769436
Area 2.8825211390042E+15
Altitude 70658849.881996

Triangular Pyramid

Length = n
Surface area 2.8825211390042E+15
Volume 6.4009074681857E+22
Height 38461806.22729