81124294 (number)

81124294 is an even 8-digits composite number following 81124293 and preceding 81124295. In scientific notation, it is written as 8.1124294 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 40562146 positive integers (up to 81124294) that are relatively prime to 81124294.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand two hundred ninety-four

Notation

Scientific notation 8.1124294 × 10^7
Engineering notation 8.1124294 × 10^6

Prime Factorization of 81124294

Prime Factorization 2 × 40562147

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81124294
Product of the distinct prime numbers

The prime factorization of 81124294 is 2 × 40562147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124294)

Multiplication

n×y
n×2 162248588
n×3 243372882
n×4 324497176
n×5 405621470

Division

n÷y
n÷2 40562147
n÷3 27041431.333333
n÷3 20281073.5
n÷5 16224858.8

Exponentiation

ny
n2 6581151076998436
n3 5.3389123482884E+23
n4 4.3311549498278E+31
n5 3.5136188750938E+39

Nth Root

y√n
2√n 9006.9025752475
3√n 432.89607029412
4√n 94.904702598172
5√n 38.179495560339

Divisors of 81124294

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 -81124293
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 81124294 can be divided by 4 positive divisors. The sum of these divisors (counting 81124294) is 1, the average is 0.25.

Base conversion 81124294

Base System Value
2 Binary 100110101011101101111000110
3 Ternary 12122122112121111
4 Quaternary 10311131233012
5 Quinary 131231434134
6 Senary 12014435234
8 Octal 465355706
10 Decimal 81124294
12 Duodecimal 23202b1a
16 Hexadecimal 4d5dbc6
20 Vigesimal 1570aee
36 Base36 1carwm

Cryptographic Hash Functions

md5 54b820b5f4075ebf6bbeb46f0dd7fb52
sha1 8a4390a326d89e7e469550430423c0eec78271ba
sha256 fe8c57c99e0247225a83265f65ad4754177b8570d5e860150cd8d0b034738618
sha512 4272a659fadff5c09a2ade21d1243a45784364145c8fe6f8e3e7fff2464e00c87b22be3128d42b2c0bec1609e08c6b59e147a5a7c375c163099977d173abba54
ripemd-160 bf09919ae12df85ae5787a0a7cd3235db5931771

81124294 as geometric shapes

Circle

Radius = n
Diameter 162248588
Circumference 509718972.11612
Area 2.0675295875663E+16

Sphere

Radius = n
Volume 2.2363583748723E+24
Surface area 8.2701183502651E+16
Circumference 509718972.11612

Square

Length = n
Perimeter 324497176
Area 6581151076998436
Diagonal 114727076.81274

Cube

Length = n
Surface area 39486906461990616
Volume 5.3389123482884E+23
Space diagonal 140511398.93616

Equilateral Triangle

Length = n
Perimeter 243372882
Area 2.849722009412E+15
Altitude 70255699.468078

Triangular Pyramid

Length = n
Surface area 2.849722009412E+15
Volume 6.2919685427255E+22
Height 38242358.937581