81471129 (number)

81471129 is an odd 8-digits composite number following 81471128 and preceding 81471130. In scientific notation, it is written as 8.1471129 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 51174288 positive integers (up to 81471129) that are relatively prime to 81471129.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-one thousand one hundred twenty-nine

Notation

Scientific notation 8.1471129 × 10^7
Engineering notation 8.1471129 × 10^6

Prime Factorization of 81471129

Prime Factorization 3 × 23 × 67 × 17623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81471129
Product of the distinct prime numbers

The prime factorization of 81471129 is 3 × 23 × 67 × 17623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81471129)

Multiplication

n×y
n×2 162942258
n×3 244413387
n×4 325884516
n×5 407355645

Division

n÷y
n÷2 40735564.5
n÷3 27157043
n÷3 20367782.25
n÷5 16294225.8

Exponentiation

ny
n2 6637544860534641
n3 5.407682735759E+23
n4 4.405700177561E+31
n5 3.5893736750139E+39

Nth Root

y√n
2√n 9026.1358841976
3√n 433.51212103043
4√n 95.005978149786
5√n 38.212086038341

Divisors of 81471129

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 -81471128
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 81471129 can be divided by 16 positive divisors. The sum of these divisors (counting 81471129) is 1, the average is 0.0625.

Base conversion 81471129

Base System Value
2 Binary 100110110110010011010011001
3 Ternary 12200022011101020
4 Quaternary 10312302122121
5 Quinary 131324034004
6 Senary 12030113053
8 Octal 466623231
10 Decimal 81471129
12 Duodecimal 2334b789
16 Hexadecimal 4db2699
20 Vigesimal 1593hg9
36 Base36 1ci7ix

Cryptographic Hash Functions

md5 93b860d7383edb53cd7735210747e578
sha1 d9798a0441bc7f0d30d9a8107e2b334cd08b92ae
sha256 d42ca5e4f7e9f58c8afab2ea9d22456c887f7c5bd11e0df0e1a1c43a2ee20aa8
sha512 2419cd5d7ff7b20d472d5d0ed1d0cfdb7444e98e7ad912e6c7eae7a3121f47932b1c916a4849f0354808a9ebaf9cdb2963cd0e6a171c44c39c10dcec7386f876
ripemd-160 1799c7ac8345828555eebc1b8f422640909f2283

81471129 as geometric shapes

Circle

Radius = n
Diameter 162942258
Circumference 511898200.69213
Area 2.0852462171728E+16

Sphere

Radius = n
Volume 2.265164847414E+24
Surface area 8.3409848686913E+16
Circumference 511898200.69213

Square

Length = n
Perimeter 325884516
Area 6637544860534641
Diagonal 115217575.57365

Cube

Length = n
Surface area 39825269163207846
Volume 5.407682735759E+23
Space diagonal 141112134.778

Equilateral Triangle

Length = n
Perimeter 244413387
Area 2.8741412339909E+15
Altitude 70556067.388999

Triangular Pyramid

Length = n
Surface area 2.8741412339909E+15
Volume 6.3730152216011E+22
Height 38405858.524549