81136427 (number)

81136427 is an odd 8-digits composite number following 81136426 and preceding 81136428. In scientific notation, it is written as 8.1136427 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 76363680 positive integers (up to 81136427) that are relatively prime to 81136427.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty-six thousand four hundred twenty-seven

Notation

Scientific notation 8.1136427 × 10^7
Engineering notation 8.1136427 × 10^6

Prime Factorization of 81136427

Prime Factorization 17 × 4772731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81136427
Product of the distinct prime numbers

The prime factorization of 81136427 is 17 × 4772731. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81136427)

Multiplication

n×y
n×2 162272854
n×3 243409281
n×4 324545708
n×5 405682135

Division

n÷y
n÷2 40568213.5
n÷3 27045475.666667
n÷3 20284106.75
n÷5 16227285.4

Exponentiation

ny
n2 6583119786326329
n3 5.3413081797552E+23
n4 4.3337466121121E+31
n5 3.5162471563013E+39

Nth Root

y√n
2√n 9007.5760890486
3√n 432.91765062038
4√n 94.908250900797
5√n 38.180637521857

Divisors of 81136427

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 -81136426
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 81136427 can be divided by 4 positive divisors. The sum of these divisors (counting 81136427) is 1, the average is 0.25.

Base conversion 81136427

Base System Value
2 Binary 100110101100000101100101011
3 Ternary 12122200011020212
4 Quaternary 10311200230223
5 Quinary 131232331202
6 Senary 12015011335
8 Octal 465405453
10 Decimal 81136427
12 Duodecimal 23209b4b
16 Hexadecimal 4d60b2b
20 Vigesimal 1572117
36 Base36 1cb19n

Cryptographic Hash Functions

md5 5a9d63a40046047d0cebcdbe7ff128d1
sha1 f04ada5cee9c568acc31e1b61d6d56b320fa05b9
sha256 167c9f7e91347f330d39d917a4cd22b8f93c6da705b2ec39c7d78cb5df47dd4b
sha512 cfd38a77e21a81e94a0e11c6a188f5aed89f272711fb6708a63372d6c2b430efcc3653413636c58f6fedd124d680488b19b472a11803085e00d3878585b4d7bb
ripemd-160 49590f77faeb6c96fc53fe7b36fa22da0db73701

81136427 as geometric shapes

Circle

Radius = n
Diameter 162272854
Circumference 509795206.00345
Area 2.0681480758424E+16

Sphere

Radius = n
Volume 2.2373619384104E+24
Surface area 8.2725923033698E+16
Circumference 509795206.00345

Square

Length = n
Perimeter 324545708
Area 6583119786326329
Diagonal 114744235.46589

Cube

Length = n
Surface area 39498718717957974
Volume 5.3413081797552E+23
Space diagonal 140532413.9086

Equilateral Triangle

Length = n
Perimeter 243409281
Area 2.8505744855573E+15
Altitude 70266206.954302

Triangular Pyramid

Length = n
Surface area 2.8505744855573E+15
Volume 6.2947920571868E+22
Height 38248078.488632