81129410 (number)

81129410 is an even 8-digits composite number following 81129409 and preceding 81129411. In scientific notation, it is written as 8.1129410 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 32451760 positive integers (up to 81129410) that are relatively prime to 81129410.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1129410 × 10^7
Engineering notation 8.1129410 × 10^6

Prime Factorization of 81129410

Prime Factorization 2 × 5 × 8112941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81129410
Product of the distinct prime numbers

The prime factorization of 81129410 is 2 × 5 × 8112941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81129410)

Multiplication

n×y
n×2 162258820
n×3 243388230
n×4 324517640
n×5 405647050

Division

n÷y
n÷2 40564705
n÷3 27043136.666667
n÷3 20282352.5
n÷5 16225882

Exponentiation

ny
n2 6581981166948100
n3 5.3399224870561E+23
n4 4.3322476082059E+31
n5 3.5147269242766E+39

Nth Root

y√n
2√n 9007.1865751743
3√n 432.90517011545
4√n 94.906198823756
5√n 38.179977096418

Divisors of 81129410

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 -81129409
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 81129410 can be divided by 8 positive divisors. The sum of these divisors (counting 81129410) is 1, the average is 0.125.

Base conversion 81129410

Base System Value
2 Binary 100110101011110111111000010
3 Ternary 12122122210121222
4 Quaternary 10311132333002
5 Quinary 131232120120
6 Senary 12014515042
8 Octal 465367702
10 Decimal 81129410
12 Duodecimal 23205a82
16 Hexadecimal 4d5efc2
20 Vigesimal 15713aa
36 Base36 1cavuq

Cryptographic Hash Functions

md5 27f65507d8f62b58db54e86fd21dd57e
sha1 f0753c70863aa469686da5e9a50d2384582d81f8
sha256 f32f5ab774dfc4fee49809ed9740286de03e733331d3e82b5334dfd6a260894b
sha512 0377053c68ca83c998363dd8e93aeb5d09b64dcbacc842d0c1275b61f97495a6277088299183c4975568171274e8797b1f6598925468b06d14dd2bea29f92b5d
ripemd-160 fe060fe88b470e11e3e8352acf9faf54da02697c

81129410 as geometric shapes

Circle

Radius = n
Diameter 162258820
Circumference 509751116.89215
Area 2.0677903680151E+16

Sphere

Radius = n
Volume 2.2367815008099E+24
Surface area 8.2711614720602E+16
Circumference 509751116.89215

Square

Length = n
Perimeter 324517640
Area 6581981166948100
Diagonal 114734311.92933

Cube

Length = n
Surface area 39491887001688600
Volume 5.3399224870561E+23
Space diagonal 140520260.10809

Equilateral Triangle

Length = n
Perimeter 243388230
Area 2.8500814489039E+15
Altitude 70260130.054043

Triangular Pyramid

Length = n
Surface area 2.8500814489039E+15
Volume 6.2931590026798E+22
Height 38244770.643109