81130135 (number)

81130135 is an odd 8-digits composite number following 81130134 and preceding 81130136. In scientific notation, it is written as 8.1130135 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 64904104 positive integers (up to 81130135) that are relatively prime to 81130135.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty thousand one hundred thirty-five

Notation

Scientific notation 8.1130135 × 10^7
Engineering notation 8.1130135 × 10^6

Prime Factorization of 81130135

Prime Factorization 5 × 16226027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81130135
Product of the distinct prime numbers

The prime factorization of 81130135 is 5 × 16226027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81130135)

Multiplication

n×y
n×2 162260270
n×3 243390405
n×4 324520540
n×5 405650675

Division

n÷y
n÷2 40565067.5
n÷3 27043378.333333
n÷3 20282533.75
n÷5 16226027

Exponentiation

ny
n2 6582098805118225
n3 5.3400656464258E+23
n4 4.3324024680339E+31
n5 3.5148839710592E+39

Nth Root

y√n
2√n 9007.2268207257
3√n 432.90645964089
4√n 94.906410851563
5√n 38.180045334027

Divisors of 81130135

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81130134
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81130135 can be divided by 4 positive divisors. The sum of these divisors (counting 81130135) is 1, the average is 0.25.

Base conversion 81130135

Base System Value
2 Binary 100110101011111001010010111
3 Ternary 12122122211121211
4 Quaternary 10311133022113
5 Quinary 131232131020
6 Senary 12014522251
8 Octal 465371227
10 Decimal 81130135
12 Duodecimal 23206387
16 Hexadecimal 4d5f297
20 Vigesimal 157156f
36 Base36 1cawev

Cryptographic Hash Functions

md5 65e42d1a39dcbec3971087f09e8ebdcf
sha1 c58d42bbc03a30192173785ccec43d44f097d7b3
sha256 12f401f7e7d3a11572116b77e3b449cdb205cf1bb5bc17033126b549f3a2c03f
sha512 79d2f83398a85602e87012bed31227c10a7f18b9c19e626676590cde483746edfc52c846159bc8600697f6bf88e34e5496c83c5b42bdc0ae483f98b92116c103
ripemd-160 79d7995b2e58525505d3868ac42bdd0e425f77f7

81130135 as geometric shapes

Circle

Radius = n
Diameter 162260270
Circumference 509755672.2015
Area 2.0678273251362E+16

Sphere

Radius = n
Volume 2.2368414672665E+24
Surface area 8.2713093005446E+16
Circumference 509755672.2015

Square

Length = n
Perimeter 324520540
Area 6582098805118225
Diagonal 114735337.23416

Cube

Length = n
Surface area 39492592830709350
Volume 5.3400656464258E+23
Space diagonal 140521515.84492

Equilateral Triangle

Length = n
Perimeter 243390405
Area 2.8501323877258E+15
Altitude 70260757.922461

Triangular Pyramid

Length = n
Surface area 2.8501323877258E+15
Volume 6.293327717615E+22
Height 38245112.411387