81192743 (number)

81192743 is an odd 8-digits composite number following 81192742 and preceding 81192744. In scientific notation, it is written as 8.1192743 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 81174408 positive integers (up to 81192743) that are relatively prime to 81192743.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-two thousand seven hundred forty-three

Notation

Scientific notation 8.1192743 × 10^7
Engineering notation 8.1192743 × 10^6

Prime Factorization of 81192743

Prime Factorization 7477 × 10859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81192743
Product of the distinct prime numbers

The prime factorization of 81192743 is 7477 × 10859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81192743)

Multiplication

n×y
n×2 162385486
n×3 243578229
n×4 324770972
n×5 405963715

Division

n÷y
n÷2 40596371.5
n÷3 27064247.666667
n÷3 20298185.75
n÷5 16238548.6

Exponentiation

ny
n2 6592261515864049
n3 5.3524379504634E+23
n4 4.3457911893542E+31
n5 3.528467071689E+39

Nth Root

y√n
2√n 9010.7015820079
3√n 433.01778875728
4√n 94.92471533804
5√n 38.185936212329

Divisors of 81192743

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 -81192742
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 81192743 can be divided by 4 positive divisors. The sum of these divisors (counting 81192743) is 1, the average is 0.25.

Base conversion 81192743

Base System Value
2 Binary 100110101101110011100100111
3 Ternary 12122210000111122
4 Quaternary 10311232130213
5 Quinary 131241131433
6 Senary 12020124155
8 Octal 465563447
10 Decimal 81192743
12 Duodecimal 2323665b
16 Hexadecimal 4d6e727
20 Vigesimal 15791h3
36 Base36 1cc8pz

Cryptographic Hash Functions

md5 b7b1b88f8440209b7087c6f34df05830
sha1 2565b37bdcb342c6588283ac1214e5d09d5206dd
sha256 10c9b0e021e4efb456b7dad25f8b470284507a3113baf949f290fde130f00a06
sha512 4a3c8331455642409da80f3528c28d76169548147fb50c82b80c5d6c93c3a3f7bd1b492345be36bff8663f5f2714bc9a1e3bac72b53bcd4cb088782aa064c8d7
ripemd-160 0b2b914a0538e176a2cd5e701aaf1d8dca0f59d3

81192743 as geometric shapes

Circle

Radius = n
Diameter 162385486
Circumference 510149049.86721
Area 2.0710200348781E+16

Sphere

Radius = n
Volume 2.2420239658628E+24
Surface area 8.2840801395125E+16
Circumference 510149049.86721

Square

Length = n
Perimeter 324770972
Area 6592261515864049
Diagonal 114823878.31687

Cube

Length = n
Surface area 39553569095184294
Volume 5.3524379504634E+23
Space diagonal 140629956.08188

Equilateral Triangle

Length = n
Perimeter 243578229
Area 2.8545329705644E+15
Altitude 70314978.040941

Triangular Pyramid

Length = n
Surface area 2.8545329705644E+15
Volume 6.3079086177548E+22
Height 38274626.105624