81123080 (number)

81123080 is an even 8-digits composite number following 81123079 and preceding 81123081. In scientific notation, it is written as 8.1123080 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 32449216 positive integers (up to 81123080) that are relatively prime to 81123080.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1123080 × 10^7
Engineering notation 8.1123080 × 10^6

Prime Factorization of 81123080

Prime Factorization 2 × 2 × 2 × 5 × 2028077

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20280770
Product of the distinct prime numbers

The prime factorization of 81123080 is 2 × 2 × 2 × 5 × 2028077. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 66, 16, 407, 857, 9180, 5232, 60309, 69943, 30947, 646365, 9245393, 4127626, 56109010, 44026894, 777587089, 375096164, 3423707189, 7698390543

Basic calculations (n = 81123080)

Multiplication

n×y
n×2 162246160
n×3 243369240
n×4 324492320
n×5 405615400

Division

n÷y
n÷2 40561540
n÷3 27041026.666667
n÷3 20280770
n÷5 16224616

Exponentiation

ny
n2 6580954108686400
n3 5.338672666353E+23
n4 4.3308956980636E+31
n5 3.5133559818567E+39

Nth Root

y√n
2√n 9006.835182238
3√n 432.89391089803
4√n 94.90434754129
5√n 38.179381290784

Divisors of 81123080

1, 2, 4, 5, 8, 10, 20, 40, 2028077, 4056154, 8112308, 10140385, 16224616, 20280770, 40561540, 81123080

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81123079
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81123080 can be divided by 16 positive divisors. The sum of these divisors (counting 81123080) is 1, the average is 0.0625.

Base conversion 81123080

Base System Value
2 Binary 100110101011101011100001000
3 Ternary 12122122110221112
4 Quaternary 10311131130020
5 Quinary 131231414310
6 Senary 12014425452
8 Octal 465353410
10 Decimal 81123080
12 Duodecimal 23202288
16 Hexadecimal 4d5d708
20 Vigesimal 15707e0
36 Base36 1caqyw

Cryptographic Hash Functions

md5 17d96cce1bcf792614c18e785a609f50
sha1 02698d9b29b7b56a0744249f3ce6aa60e71e8fc3
sha256 b1d7ec4f31d078bc2f949317a9e0307b1650e209c300ff06a2efcc5bb0e3fa74
sha512 438ec41b6e269a3d46886897cb0dfb9e8380f0d8c625cb9a1137b02f657259986d7e42b6683fc4f9b6de8632e6b664d1a7c15edfacf77dff555122b77af040f4
ripemd-160 cb0613ff9f0622beecf2af928d1dec95b1377d3d

81123080 as geometric shapes

Circle

Radius = n
Diameter 162246160
Circumference 509711344.32915
Area 2.0674677081461E+16

Sphere

Radius = n
Volume 2.236257977138E+24
Surface area 8.2698708325843E+16
Circumference 509711344.32915

Square

Length = n
Perimeter 324492320
Area 6580954108686400
Diagonal 114725359.95748

Cube

Length = n
Surface area 39485724652118400
Volume 5.338672666353E+23
Space diagonal 140509296.22647

Equilateral Triangle

Length = n
Perimeter 243369240
Area 2.849636719631E+15
Altitude 70254648.113237

Triangular Pyramid

Length = n
Surface area 2.849636719631E+15
Volume 6.2916860748557E+22
Height 38241786.652493