81124471 (number)

81124471 is an odd 8-digits composite number following 81124470 and preceding 81124472. In scientific notation, it is written as 8.1124471 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 75706488 positive integers (up to 81124471) that are relatively prime to 81124471.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand four hundred seventy-one

Notation

Scientific notation 8.1124471 × 10^7
Engineering notation 8.1124471 × 10^6

Prime Factorization of 81124471

Prime Factorization 67 × 19 × 63727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81124471
Product of the distinct prime numbers

The prime factorization of 81124471 is 67 × 19 × 63727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 65, 25, 448, 282, 4693, 3892, 56, 96271, 906240, 607659, 4017995, 8188575, 93952851, 48795804, 853145682, 45073234, 1382081568, 5566739085

Basic calculations (n = 81124471)

Multiplication

n×y
n×2 162248942
n×3 243373413
n×4 324497884
n×5 405622355

Division

n÷y
n÷2 40562235.5
n÷3 27041490.333333
n÷3 20281117.75
n÷5 16224894.2

Exponentiation

ny
n2 6581179795029841
n3 5.3389472942768E+23
n4 4.3311927494509E+31
n5 3.5136572059824E+39

Nth Root

y√n
2√n 9006.9124010395
3√n 432.89638513014
4√n 94.904754364782
5√n 38.179512220613

Divisors of 81124471

1, 19, 67, 1273, 63727, 1210813, 4269709, 81124471

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 -81124470
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 81124471 can be divided by 8 positive divisors. The sum of these divisors (counting 81124471) is 1, the average is 0.125.

Base conversion 81124471

Base System Value
2 Binary 100110101011101110001110111
3 Ternary 12122122112212001
4 Quaternary 10311131301313
5 Quinary 131231440341
6 Senary 12014440131
8 Octal 465356167
10 Decimal 81124471
12 Duodecimal 23203047
16 Hexadecimal 4d5dc77
20 Vigesimal 1570b3b
36 Base36 1cas1j

Cryptographic Hash Functions

md5 a0a09dd6f546451d4b26f7d9ffb6438b
sha1 a456669d787b5c4573aaadd928cef00f518c3e31
sha256 f79db9f872b953e859204a4dbc69cafd2a54176e93c6fbd694088d4c6d0e255d
sha512 37b679ddf5e3a2d320a5f2689cbcf59dabadd0fb26d3b0a6608397c609cf4dee32397c0737d712ff06744c820dc9630d7c67d49029b5388a97bcbdbc07dff729
ripemd-160 bb854e903dad18e26ba9f58233212977e6db332d

81124471 as geometric shapes

Circle

Radius = n
Diameter 162248942
Circumference 509720084.23992
Area 2.0675386096019E+16

Sphere

Radius = n
Volume 2.2363730130138E+24
Surface area 8.2701544384077E+16
Circumference 509720084.23992

Square

Length = n
Perimeter 324497884
Area 6581179795029841
Diagonal 114727327.12854

Cube

Length = n
Surface area 39487078770179046
Volume 5.3389472942768E+23
Space diagonal 140511705.50915

Equilateral Triangle

Length = n
Perimeter 243373413
Area 2.8497344446844E+15
Altitude 70255852.754574

Triangular Pyramid

Length = n
Surface area 2.8497344446844E+15
Volume 6.2920097269679E+22
Height 38242442.376181