81103481 (number)

81103481 is an odd 8-digits composite number following 81103480 and preceding 81103482. In scientific notation, it is written as 8.1103481 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 76332672 positive integers (up to 81103481) that are relatively prime to 81103481.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand four hundred eighty-one

Notation

Scientific notation 8.1103481 × 10^7
Engineering notation 8.1103481 × 10^6

Prime Factorization of 81103481

Prime Factorization 17 × 4770793

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81103481
Product of the distinct prime numbers

The prime factorization of 81103481 is 17 × 4770793. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81103481)

Multiplication

n×y
n×2 162206962
n×3 243310443
n×4 324413924
n×5 405517405

Division

n÷y
n÷2 40551740.5
n÷3 27034493.666667
n÷3 20275870.25
n÷5 16220696.2

Exponentiation

ny
n2 6577774630317361
n3 5.3348041975223E+23
n4 4.3267119087247E+31
n5 3.5091139708172E+39

Nth Root

y√n
2√n 9005.7471094851
3√n 432.85904629843
4√n 94.898614897611
5√n 38.177536316415

Divisors of 81103481

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 -81103480
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 81103481 can be divided by 4 positive divisors. The sum of these divisors (counting 81103481) is 1, the average is 0.25.

Base conversion 81103481

Base System Value
2 Binary 100110101011000101001111001
3 Ternary 12122121111001122
4 Quaternary 10311120221321
5 Quinary 131230302411
6 Senary 12014155025
8 Octal 465305171
10 Decimal 81103481
12 Duodecimal 231b2a75
16 Hexadecimal 4d58a79
20 Vigesimal 156hie1
36 Base36 1cabuh

Cryptographic Hash Functions

md5 094bf87db000990f3887f14ce58bfb60
sha1 6965bfa6948edacf0ef6db480b40cce784a4281c
sha256 0b395f2179e54585098d22caf4a8e9612a43956b916024e2e0b6527580da9aa4
sha512 aac33cd78ae9be365049260f68fff54b16660fa165dd42b83272a628bfffd505f91aa9c81700f9430ee973ccaab299e9bdb2cbeb24124bd3ad78373c569d0396
ripemd-160 b290be9b8ea9dbb1d81bc2704c3b35b4109c333a

81103481 as geometric shapes

Circle

Radius = n
Diameter 162206962
Circumference 509588200.18032
Area 2.0664688455574E+16

Sphere

Radius = n
Volume 2.2346375567035E+24
Surface area 8.2658753822297E+16
Circumference 509588200.18032

Square

Length = n
Perimeter 324413924
Area 6577774630317361
Diagonal 114697642.78587

Cube

Length = n
Surface area 39466647781904166
Volume 5.3348041975223E+23
Space diagonal 140475349.7627

Equilateral Triangle

Length = n
Perimeter 243310443
Area 2.8482599651118E+15
Altitude 70237674.881349

Triangular Pyramid

Length = n
Surface area 2.8482599651118E+15
Volume 6.2871270406174E+22
Height 38232547.59529