81124718 (number)

81124718 is an even 8-digits composite number following 81124717 and preceding 81124719. In scientific notation, it is written as 8.1124718 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 38427480 positive integers (up to 81124718) that are relatively prime to 81124718.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand seven hundred eighteen

Notation

Scientific notation 8.1124718 × 10^7
Engineering notation 8.1124718 × 10^6

Prime Factorization of 81124718

Prime Factorization 2 × 19 × 2134861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81124718
Product of the distinct prime numbers

The prime factorization of 81124718 is 2 × 19 × 2134861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124718)

Multiplication

n×y
n×2 162249436
n×3 243374154
n×4 324498872
n×5 405623590

Division

n÷y
n÷2 40562359
n÷3 27041572.666667
n÷3 20281179.5
n÷5 16224943.6

Exponentiation

ny
n2 6581219870579524
n3 5.3389960609676E+23
n4 4.3312454984911E+31
n5 3.5137106965386E+39

Nth Root

y√n
2√n 9006.9261127201
3√n 432.89682447681
4√n 94.90482660392
5√n 38.179535469648

Divisors of 81124718

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 -81124717
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 81124718 can be divided by 8 positive divisors. The sum of these divisors (counting 81124718) is 1, the average is 0.125.

Base conversion 81124718

Base System Value
2 Binary 100110101011101110101101110
3 Ternary 12122122120012012
4 Quaternary 10311131311232
5 Quinary 131231442333
6 Senary 12014441222
8 Octal 465356556
10 Decimal 81124718
12 Duodecimal 23203212
16 Hexadecimal 4d5dd6e
20 Vigesimal 1570bfi
36 Base36 1cas8e

Cryptographic Hash Functions

md5 1b4f95c50f75622b828606fcac7c2090
sha1 58716822d4ededcac5c0d0f1beb52e4153c18d93
sha256 42c8bcb0cd081eb7c0ed2d306b252887ad20ddb76a08cdd2344c060459e49c73
sha512 8de3760c14e76754acee91946758ac995fe412755be2925c389298dbf3233e7644e3abf593180c86e347af952cadd7e8a504ffe8cabef7b3d085f623074accee
ripemd-160 bac45e106bd4e7fa500a277995a5f5f30f6f6b03

81124718 as geometric shapes

Circle

Radius = n
Diameter 162249436
Circumference 509721636.18669
Area 2.0675511997072E+16

Sphere

Radius = n
Volume 2.2363934403574E+24
Surface area 8.2702047988287E+16
Circumference 509721636.18669

Square

Length = n
Perimeter 324498872
Area 6581219870579524
Diagonal 114727676.43929

Cube

Length = n
Surface area 39487319223477144
Volume 5.3389960609676E+23
Space diagonal 140512133.3257

Equilateral Triangle

Length = n
Perimeter 243374154
Area 2.8497517979064E+15
Altitude 70256066.662849

Triangular Pyramid

Length = n
Surface area 2.8497517979064E+15
Volume 6.2920671990641E+22
Height 38242558.813098