81232009 (number)

81232009 is an odd 8-digits composite number following 81232008 and preceding 81232010. In scientific notation, it is written as 8.1232009 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 81204480 positive integers (up to 81232009) that are relatively prime to 81232009.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-two thousand nine

Notation

Scientific notation 8.1232009 × 10^7
Engineering notation 8.1232009 × 10^6

Prime Factorization of 81232009

Prime Factorization 3361 × 24169

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81232009
Product of the distinct prime numbers

The prime factorization of 81232009 is 3361 × 24169. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81232009)

Multiplication

n×y
n×2 162464018
n×3 243696027
n×4 324928036
n×5 406160045

Division

n÷y
n÷2 40616004.5
n÷3 27077336.333333
n÷3 20308002.25
n÷5 16246401.8

Exponentiation

ny
n2 6598639286176081
n3 5.3602072588241E+23
n4 4.3542040429066E+31
n5 3.5370074200123E+39

Nth Root

y√n
2√n 9012.8801722868
3√n 433.0875820896
4√n 94.936190003006
5√n 38.189628953689

Divisors of 81232009

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81232008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81232009 can be divided by 4 positive divisors. The sum of these divisors (counting 81232009) is 1, the average is 0.25.

Base conversion 81232009

Base System Value
2 Binary 100110101111000000010001001
3 Ternary 12122212000100221
4 Quaternary 10311320002021
5 Quinary 131243411014
6 Senary 12021030041
8 Octal 465700211
10 Decimal 81232009
12 Duodecimal 23255321
16 Hexadecimal 4d78089
20 Vigesimal 157e009
36 Base36 1cd30p

Cryptographic Hash Functions

md5 53ab6a1ba0b5e221f5f86ebadac1c758
sha1 d120f53dfab7acd6b3cc6578a62de3efafce9e94
sha256 35f82b6d2cbc96eb833117db4a9149ee82d1dbeefbeda42986869cfada2d5280
sha512 ec284e60a1ff25eeb0181fdf98fe73df1c5b9e6a65007b5d8101a1f50b0c9c844f0c5572e20800a25a9b2b33c711990846c446043630c777f3165659e03bdfc3
ripemd-160 5ae9396d045beacf994c808c63d55d5c4431cf3c

81232009 as geometric shapes

Circle

Radius = n
Diameter 162464018
Circumference 510395765.42148
Area 2.073023670514E+16

Sphere

Radius = n
Volume 2.2452783661387E+24
Surface area 8.2920946820559E+16
Circumference 510395765.42148

Square

Length = n
Perimeter 324928036
Area 6598639286176081
Diagonal 114879408.82661

Cube

Length = n
Surface area 39591835717056486
Volume 5.3602072588241E+23
Space diagonal 140697966.78889

Equilateral Triangle

Length = n
Perimeter 243696027
Area 2.8572946261192E+15
Altitude 70348983.394446

Triangular Pyramid

Length = n
Surface area 2.8572946261192E+15
Volume 6.3170648354664E+22
Height 38293136.275538