81162011 (number)

81162011 is an odd 8-digits composite number following 81162010 and preceding 81162012. In scientific notation, it is written as 8.1162011 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 69523200 positive integers (up to 81162011) that are relatively prime to 81162011.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred sixty-two thousand eleven

Notation

Scientific notation 8.1162011 × 10^7
Engineering notation 8.1162011 × 10^6

Prime Factorization of 81162011

Prime Factorization 7 × 2273 × 5101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81162011
Product of the distinct prime numbers

The prime factorization of 81162011 is 7 × 2273 × 5101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81162011)

Multiplication

n×y
n×2 162324022
n×3 243486033
n×4 324648044
n×5 405810055

Division

n÷y
n÷2 40581005.5
n÷3 27054003.666667
n÷3 20290502.75
n÷5 16232402.2

Exponentiation

ny
n2 6587272029564121
n3 5.3463624492348E+23
n4 4.3392152791478E+31
n5 3.5217943821756E+39

Nth Root

y√n
2√n 9008.9961149953
3√n 432.96314847976
4√n 94.915731651794
5√n 38.183045047764

Divisors of 81162011

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 -81162010
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 81162011 can be divided by 8 positive divisors. The sum of these divisors (counting 81162011) is 1, the average is 0.125.

Base conversion 81162011

Base System Value
2 Binary 100110101100110111100011011
3 Ternary 12122201110100102
4 Quaternary 10311212330123
5 Quinary 131234141021
6 Senary 12015330015
8 Octal 465467433
10 Decimal 81162011
12 Duodecimal 2322090b
16 Hexadecimal 4d66f1b
20 Vigesimal 157550b
36 Base36 1cbl0b

Cryptographic Hash Functions

md5 84d4cc3963c241171d15a847eacc9f9b
sha1 03161eded19d226335d4a8f94f13d3356bcf16d8
sha256 280d9b63a0449b17339d3b18ef06f0547ee00375afa5fbe5de3f16243d6ce4cd
sha512 1e07f6c3a49c4fa798a69d74da9d92dc65f6f9b39a6933b495e769f00f8190e8473af2200f447e989a440445ff1bd657065ac5b61f90cc2f7c8fdd45e0d708d8
ripemd-160 889629888af4f05b96b92a98af2ab04363cd2b72

81162011 as geometric shapes

Circle

Radius = n
Diameter 162324022
Circumference 509955955.01635
Area 2.0694525415276E+16

Sphere

Radius = n
Volume 2.2394790658592E+24
Surface area 8.2778101661105E+16
Circumference 509955955.01635

Square

Length = n
Perimeter 324648044
Area 6587272029564121
Diagonal 114780416.70567

Cube

Length = n
Surface area 39523632177384726
Volume 5.3463624492348E+23
Space diagonal 140576726.69646

Equilateral Triangle

Length = n
Perimeter 243486033
Area 2.8523724596206E+15
Altitude 70288363.348232

Triangular Pyramid

Length = n
Surface area 2.8523724596206E+15
Volume 6.3007485708917E+22
Height 38260138.901891