71781809 (number)

71781809 is an odd 8-digits composite number following 71781808 and preceding 71781810. In scientific notation, it is written as 7.1781809 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 65256180 positive integers (up to 71781809) that are relatively prime to 71781809.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand eight hundred nine

Notation

Scientific notation 7.1781809 × 10^7
Engineering notation 7.1781809 × 10^6

Prime Factorization of 71781809

Prime Factorization 11 × 6525619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71781809
Product of the distinct prime numbers

The prime factorization of 71781809 is 11 × 6525619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 75, 4, 178, 66, 1081, 3899, 90387, 41708, 631942, 370061, 5936306, 6359839, 70936252, 68571621, 46451196, 103774113, 7713573369, 2842501183

Basic calculations (n = 71781809)

Multiplication

n×y
n×2 143563618
n×3 215345427
n×4 287127236
n×5 358909045

Division

n÷y
n÷2 35890904.5
n÷3 23927269.666667
n÷3 17945452.25
n÷5 14356361.8

Exponentiation

ny
n2 5152628103312481
n3 3.6986496636001E+23
n4 2.6549576371046E+31
n5 1.9057766200973E+39

Nth Root

y√n
2√n 8472.4145908944
3√n 415.59610275658
4√n 92.04572011177
5√n 37.256570892755

Divisors of 71781809

1, 11, 6525619, 71781809

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 -71781808
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 71781809 can be divided by 4 positive divisors. The sum of these divisors (counting 71781809) is 1, the average is 0.25.

Base conversion 71781809

Base System Value
2 Binary 100010001110100110110110001
3 Ternary 12000001220010112
4 Quaternary 10101310312301
5 Quinary 121334004214
6 Senary 11042311105
8 Octal 421646661
10 Decimal 71781809
12 Duodecimal 20058495
16 Hexadecimal 4474db1
20 Vigesimal 128cea9
36 Base36 16qj75

Cryptographic Hash Functions

md5 9844ec4f4e21749bebd8b0c516823486
sha1 8a4bbc80b1b9d6977fe018898a47c857d016549d
sha256 089ff1d385836dbb0b14e24c6b7c56d463430d3d18f159f88259a05f5f7e19bd
sha512 a0d0af0b60fc7a5cc73552bc55a73e7c87eb1930ef2e76e88864bf4f913c9730a421ed6ae2035b740afd11782730a033cf898432f7ecc72659ae5e39253c6016
ripemd-160 196e11cfc5042dab2d0235c40793531e88b4d8bc

71781809 as geometric shapes

Circle

Radius = n
Diameter 143563618
Circumference 451018407.63157
Area 1.6187458596047E+16

Sphere

Radius = n
Volume 1.5492867481825E+24
Surface area 6.4749834384187E+16
Circumference 451018407.63157

Square

Length = n
Perimeter 287127236
Area 5152628103312481
Diagonal 101514807.81948

Cube

Length = n
Surface area 30915768619874886
Volume 3.6986496636001E+23
Space diagonal 124329740.2472

Equilateral Triangle

Length = n
Perimeter 215345427
Area 2.2311534168611E+15
Altitude 62164870.123602

Triangular Pyramid

Length = n
Surface area 2.2311534168611E+15
Volume 4.3589004306083E+22
Height 33838269.273158