81342009 (number)

81342009 is an odd 8-digits composite number following 81342008 and preceding 81342010. In scientific notation, it is written as 8.1342009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 46480392 positive integers (up to 81342009) that are relatively prime to 81342009.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-two thousand nine

Notation

Scientific notation 8.1342009 × 10^7
Engineering notation 8.1342009 × 10^6

Prime Factorization of 81342009

Prime Factorization 3 × 21 × 21 × 61483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3873429
Product of the distinct prime numbers

The prime factorization of 81342009 is 3 × 21 × 21 × 61483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81342009)

Multiplication

n×y
n×2 162684018
n×3 244026027
n×4 325368036
n×5 406710045

Division

n÷y
n÷2 40671004.5
n÷3 27114003
n÷3 20335502.25
n÷5 16268401.8

Exponentiation

ny
n2 6616522428156081
n3 5.3820122689977E+23
n4 4.3778369042292E+31
n5 3.5610204886435E+39

Nth Root

y√n
2√n 9018.9804856203
3√n 433.28298185506
4√n 94.968313060833
5√n 38.199966222588

Divisors of 81342009

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 -81342008
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 81342009 can be divided by 12 positive divisors. The sum of these divisors (counting 81342009) is 1, the average is 0.083333333333333.

Base conversion 81342009

Base System Value
2 Binary 100110110010010111000111001
3 Ternary 12200001121021000
4 Quaternary 10312102320321
5 Quinary 131310421014
6 Senary 12023235213
8 Octal 466227071
10 Decimal 81342009
12 Duodecimal 232a8b09
16 Hexadecimal 4d92e39
20 Vigesimal 1587f09
36 Base36 1cffw9

Cryptographic Hash Functions

md5 d499ca496f598115b4ec99929abb3018
sha1 5dfdd1b5a9fe46c76aa4507acb7a437ad2bf7d46
sha256 3f7d4a40f2496089b3015836ba642787f739f1ed624beee46222b0b0d8fc6d78
sha512 9d132f610a43013f7e8be628fc631a210558ec24e10d0195fe17996c159d5f04e04d4331df5945d5334a768a2d89ea67e78cd224ffb6f03934fa8b8c9bd8f098
ripemd-160 24e6da2275370f3c31b7c05b68146c681a42f65b

81342009 as geometric shapes

Circle

Radius = n
Diameter 162684018
Circumference 511086915.80527
Area 2.0786418252607E+16

Sphere

Radius = n
Volume 2.2544120274418E+24
Surface area 8.3145673010429E+16
Circumference 511086915.80527

Square

Length = n
Perimeter 325368036
Area 6616522428156081
Diagonal 115034972.31847

Cube

Length = n
Surface area 39699134568936486
Volume 5.3820122689977E+23
Space diagonal 140888492.37772

Equilateral Triangle

Length = n
Perimeter 244026027
Area 2.8650382537463E+15
Altitude 70444246.188862

Triangular Pyramid

Length = n
Surface area 2.8650382537463E+15
Volume 6.3427622863958E+22
Height 38344990.772825