81042011 (number)

81042011 is an odd 8-digits composite number following 81042010 and preceding 81042012. In scientific notation, it is written as 8.1042011 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 76776624 positive integers (up to 81042011) that are relatively prime to 81042011.

Interesting facts

Basic properties

Name

Name eighty-one million forty-two thousand eleven

Notation

Scientific notation 8.1042011 × 10^7
Engineering notation 8.1042011 × 10^6

Prime Factorization of 81042011

Prime Factorization 19 × 4265369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81042011
Product of the distinct prime numbers

The prime factorization of 81042011 is 19 × 4265369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81042011)

Multiplication

n×y
n×2 162084022
n×3 243126033
n×4 324168044
n×5 405210055

Division

n÷y
n÷2 40521005.5
n÷3 27014003.666667
n÷3 20260502.75
n÷5 16208402.2

Exponentiation

ny
n2 6567807546924121
n3 5.3226833146371E+23
n4 4.3136095973433E+31
n5 3.495835964376E+39

Nth Root

y√n
2√n 9002.3336418953
3√n 432.74966106082
4√n 94.880628380588
5√n 38.171747452807

Divisors of 81042011

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 -81042010
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 81042011 can be divided by 4 positive divisors. The sum of these divisors (counting 81042011) is 1, the average is 0.25.

Base conversion 81042011

Base System Value
2 Binary 100110101001001101001011011
3 Ternary 12122111100201222
4 Quaternary 10311021221123
5 Quinary 131221321021
6 Senary 12013002255
8 Octal 465115133
10 Decimal 81042011
12 Duodecimal 2318338b
16 Hexadecimal 4d49a5b
20 Vigesimal 156a50b
36 Base36 1c90ez

Cryptographic Hash Functions

md5 865b8526bbf99f73d54d728a79d8c89e
sha1 e9b6d045bdd1ed00c5c0b9faafc4936c18ad8504
sha256 f3573c5ab52a4c247dcbe97d153d4305b5fc662833624e701cc53284b89a43e2
sha512 536a7ab17c534e6ca366f630ace72fd6703f279b097983d3932ef81e79ac3738ed1bce25f867170eb820741fb544ea2c9359da8ed55501873f32951c08b0c472
ripemd-160 3a97d62cd393aa6b7a5cc2452f76b4038cd47bf6

81042011 as geometric shapes

Circle

Radius = n
Diameter 162084022
Circumference 509201972.77949
Area 2.0633375939608E+16

Sphere

Radius = n
Volume 2.2295603731532E+24
Surface area 8.2533503758434E+16
Circumference 509201972.77949

Square

Length = n
Perimeter 324168044
Area 6567807546924121
Diagonal 114610711.07819

Cube

Length = n
Surface area 39406845281544726
Volume 5.3226833146371E+23
Space diagonal 140368880.59956

Equilateral Triangle

Length = n
Perimeter 243126033
Area 2.8439440914017E+15
Altitude 70184440.299778

Triangular Pyramid

Length = n
Surface area 2.8439440914017E+15
Volume 6.2728424431473E+22
Height 38203570.359397