81352009 (number)

81352009 is an odd 8-digits composite number following 81352008 and preceding 81352010. In scientific notation, it is written as 8.1352009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 80269056 positive integers (up to 81352009) that are relatively prime to 81352009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1352009 × 10^7
Engineering notation 8.1352009 × 10^6

Prime Factorization of 81352009

Prime Factorization 127 × 3319 × 193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81352009
Product of the distinct prime numbers

The prime factorization of 81352009 is 127 × 3319 × 193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81352009)

Multiplication

n×y
n×2 162704018
n×3 244056027
n×4 325408036
n×5 406760045

Division

n÷y
n÷2 40676004.5
n÷3 27117336.333333
n÷3 20338002.25
n÷5 16270401.8

Exponentiation

ny
n2 6618149368336081
n3 5.3839974697622E+23
n4 4.3799901061607E+31
n5 3.563209945363E+39

Nth Root

y√n
2√n 9019.534854969
3√n 433.3007367328
4√n 94.971231722922
5√n 38.200905419649

Divisors of 81352009

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 -81352008
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 81352009 can be divided by 8 positive divisors. The sum of these divisors (counting 81352009) is 1, the average is 0.125.

Base conversion 81352009

Base System Value
2 Binary 100110110010101010101001001
3 Ternary 12200002002222101
4 Quaternary 10312111111021
5 Quinary 131311231014
6 Senary 12023353401
8 Octal 466252511
10 Decimal 81352009
12 Duodecimal 232b2861
16 Hexadecimal 4d95549
20 Vigesimal 1589009
36 Base36 1cfnm1

Cryptographic Hash Functions

md5 2fb6005fdefdd83bd79764aff5c90eb3
sha1 c34a5027e9c44f0509985369c2968a7832ed0e9b
sha256 1abcb72c026092fd4b38463575a44e1e6dcb3226040a614e9f2360f035fbab2c
sha512 0ebc794e7a6d6bc9b6a85dcaa95f398ea62855aabff040557baa1f11cdf00c9336605a80e78f25c1404bd205c2bd72f5046f4be3d1293e8977f918e265ed5a00
ripemd-160 62fed81d6d43b7ec1da3579fde393e88363382c2

81352009 as geometric shapes

Circle

Radius = n
Diameter 162704018
Circumference 511149747.65834
Area 2.0791529435925E+16

Sphere

Radius = n
Volume 2.2552435863935E+24
Surface area 8.3166117743698E+16
Circumference 511149747.65834

Square

Length = n
Perimeter 325408036
Area 6618149368336081
Diagonal 115049114.4541

Cube

Length = n
Surface area 39708896210016486
Volume 5.3839974697622E+23
Space diagonal 140905812.8858

Equilateral Triangle

Length = n
Perimeter 244056027
Area 2.8657427395095E+15
Altitude 70452906.4429

Triangular Pyramid

Length = n
Surface area 2.8657427395095E+15
Volume 6.3451018679335E+22
Height 38349704.818033