81623009 (number)

81623009 is an odd 8-digits composite number following 81623008 and preceding 81623010. In scientific notation, it is written as 8.1623009 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 75263760 positive integers (up to 81623009) that are relatively prime to 81623009.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred twenty-three thousand nine

Notation

Scientific notation 8.1623009 × 10^7
Engineering notation 8.1623009 × 10^6

Prime Factorization of 81623009

Prime Factorization 13 × 5591 × 1123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81623009
Product of the distinct prime numbers

The prime factorization of 81623009 is 13 × 5591 × 1123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81623009)

Multiplication

n×y
n×2 163246018
n×3 244869027
n×4 326492036
n×5 408115045

Division

n÷y
n÷2 40811504.5
n÷3 27207669.666667
n÷3 20405752.25
n÷5 16324601.8

Exponentiation

ny
n2 6662315598214081
n3 5.4379824603387E+23
n4 4.4386449130207E+31
n5 3.6229555368329E+39

Nth Root

y√n
2√n 9034.5453122999
3√n 433.78134093509
4√n 95.050225209096
5√n 38.226322563164

Divisors of 81623009

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81623008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81623009 can be divided by 8 positive divisors. The sum of these divisors (counting 81623009) is 1, the average is 0.125.

Base conversion 81623009

Base System Value
2 Binary 100110111010111011111100001
3 Ternary 12200120212201102
4 Quaternary 10313113133201
5 Quinary 131343414014
6 Senary 12033244145
8 Octal 467273741
10 Decimal 81623009
12 Duodecimal 23403655
16 Hexadecimal 4dd77e1
20 Vigesimal 15a2ha9
36 Base36 1clgpt

Cryptographic Hash Functions

md5 63ea7aa55674afc4903e0191019f84a5
sha1 c9ea6c4a2575e8515d1b6a7a833b9766c39d73e6
sha256 8a016e234c0eb5fc27d7aae1db6e8ea6baa9bdac5c241597792832044e64455b
sha512 1abb15503a66e233432ba1715321832cc7aaebb4ebbfddd07ff627b6dda11dcc8f274dfc3475cbeeb83ecf45551092e0f1a6a39bd058b17f38fb4f5661decda9
ripemd-160 cec5b7cb6ec623ed2c9e41770e1b89054189f306

81623009 as geometric shapes

Circle

Radius = n
Diameter 163246018
Circumference 512852490.87659
Area 2.0930281739246E+16

Sphere

Radius = n
Volume 2.2778567663667E+24
Surface area 8.3721126956984E+16
Circumference 512852490.87659

Square

Length = n
Perimeter 326492036
Area 6662315598214081
Diagonal 115432366.3295

Cube

Length = n
Surface area 39973893589284486
Volume 5.4379824603387E+23
Space diagonal 141375198.65465

Equilateral Triangle

Length = n
Perimeter 244869027
Area 2.8848672780414E+15
Altitude 70687599.327326

Triangular Pyramid

Length = n
Surface area 2.8848672780414E+15
Volume 6.408723789465E+22
Height 38477455.443167