81132009 (number)

81132009 is an odd 8-digits composite number following 81132008 and preceding 81132010. In scientific notation, it is written as 8.1132009 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 45107712 positive integers (up to 81132009) that are relatively prime to 81132009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1132009 × 10^7
Engineering notation 8.1132009 × 10^6

Prime Factorization of 81132009

Prime Factorization 3 × 37 × 7 × 104417

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81132009
Product of the distinct prime numbers

The prime factorization of 81132009 is 3 × 37 × 7 × 104417. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81132009)

Multiplication

n×y
n×2 162264018
n×3 243396027
n×4 324528036
n×5 405660045

Division

n÷y
n÷2 40566004.5
n÷3 27044003
n÷3 20283002.25
n÷5 16226401.8

Exponentiation

ny
n2 6582402884376081
n3 5.3404357005683E+23
n4 4.3328027732243E+31
n5 3.5152899359246E+39

Nth Root

y√n
2√n 9007.330847704
3√n 432.90979280621
4√n 94.906958900304
5√n 38.180221714219

Divisors of 81132009

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81132008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81132009 can be divided by 16 positive divisors. The sum of these divisors (counting 81132009) is 1, the average is 0.0625.

Base conversion 81132009

Base System Value
2 Binary 100110101011111100111101001
3 Ternary 12122122221012020
4 Quaternary 10311133213221
5 Quinary 131232211014
6 Senary 12014535053
8 Octal 465374751
10 Decimal 81132009
12 Duodecimal 23207489
16 Hexadecimal 4d5f9e9
20 Vigesimal 1571a09
36 Base36 1caxux

Cryptographic Hash Functions

md5 67fccb4d638327d6d74cdb11518674eb
sha1 3dca35aed154905e46253c0337b1db67a261beba
sha256 139b4e5ba8a183afc285358174b41195aa505a32b378f4c25dc58f5bb55e3101
sha512 6d2fceab0c8c45d4e57f09f38443b9c6270c1ea506cb68be847619f1b790f783815995a26befc36b578dfcc87b423c0d76c86dfdf9daf8e1c3d468d4aab0f365
ripemd-160 ad8c3e08ec61f69794c7fc658f4e8cf6bb993bd4

81132009 as geometric shapes

Circle

Radius = n
Diameter 162264018
Circumference 509767446.89076
Area 2.0679228544524E+16

Sphere

Radius = n
Volume 2.2369964751832E+24
Surface area 8.2716914178097E+16
Circumference 509767446.89076

Square

Length = n
Perimeter 324528036
Area 6582402884376081
Diagonal 114737987.47038

Cube

Length = n
Surface area 39494417306256486
Volume 5.3404357005683E+23
Space diagonal 140524761.70814

Equilateral Triangle

Length = n
Perimeter 243396027
Area 2.8502640579068E+15
Altitude 70262380.854068

Triangular Pyramid

Length = n
Surface area 2.8502640579068E+15
Volume 6.2937638306042E+22
Height 38245995.823459