81062009 (number)

81062009 is an odd 8-digits composite number following 81062008 and preceding 81062010. In scientific notation, it is written as 8.1062009 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 67855032 positive integers (up to 81062009) that are relatively prime to 81062009.

Interesting facts

Basic properties

Name

Name eighty-one million sixty-two thousand nine

Notation

Scientific notation 8.1062009 × 10^7
Engineering notation 8.1062009 × 10^6

Prime Factorization of 81062009

Prime Factorization 7 × 43 × 43 × 6263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1885163
Product of the distinct prime numbers

The prime factorization of 81062009 is 7 × 43 × 43 × 6263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 91, 36, 835, 619, 1849, 5418, 16596, 74545, 552209, 989511, 9448872, 1467687, 30601401, 55238681, 117033019, 795111648, 1371432900, 1574915719

Basic calculations (n = 81062009)

Multiplication

n×y
n×2 162124018
n×3 243186027
n×4 324248036
n×5 405310045

Division

n÷y
n÷2 40531004.5
n÷3 27020669.666667
n÷3 20265502.25
n÷5 16212401.8

Exponentiation

ny
n2 6571049303116081
n3 5.3266245774864E+23
n4 4.3178688943982E+31
n5 3.5001512717853E+39

Nth Root

y√n
2√n 9003.4442853832
3√n 432.7852533661
4√n 94.886481046476
5√n 38.173631125881

Divisors of 81062009

1, 7, 43, 301, 1849, 6263, 12943, 43841, 269309, 1885163, 11580287, 81062009

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 -81062008
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 81062009 can be divided by 12 positive divisors. The sum of these divisors (counting 81062009) is 1, the average is 0.083333333333333.

Base conversion 81062009

Base System Value
2 Binary 100110101001110100001111001
3 Ternary 12122112101011122
4 Quaternary 10311032201321
5 Quinary 131222441014
6 Senary 12013235025
8 Octal 465164171
10 Decimal 81062009
12 Duodecimal 23192a75
16 Hexadecimal 4d4e879
20 Vigesimal 156cf09
36 Base36 1c9fuh

Cryptographic Hash Functions

md5 20abd93a7600ff9b3c7359c5d0dad3c3
sha1 37d219786f72ba6f81530cfc8befe8143da5bb58
sha256 ff1677cf871a0dce6af4e1b33d04f959c97eb01ae7d575dc7848fff731b5f97f
sha512 0654d105eb341eb1474efb1d1b328dde9446f2d7ca15a95541a703885a3818c55c2cc6508da6168e11bdbd90285209ddbb5124a384e0c21d49c12e562fa5412e
ripemd-160 3b61a849dcc6785b0a6f54dc80045fe8ab08f46b

81062009 as geometric shapes

Circle

Radius = n
Diameter 162124018
Circumference 509327623.91926
Area 2.0643560217046E+16

Sphere

Radius = n
Volume 2.2312112854749E+24
Surface area 8.2574240868183E+16
Circumference 509327623.91926

Square

Length = n
Perimeter 324248036
Area 6571049303116081
Diagonal 114638992.52101

Cube

Length = n
Surface area 39426295818696486
Volume 5.3266245774864E+23
Space diagonal 140403518.15161

Equilateral Triangle

Length = n
Perimeter 243186027
Area 2.8453478130093E+15
Altitude 70201759.075803

Triangular Pyramid

Length = n
Surface area 2.8453478130093E+15
Volume 6.2774872659593E+22
Height 38212997.507003