71781091 (number)

71781091 is an odd 8-digits composite number following 71781090 and preceding 71781092. In scientific notation, it is written as 7.1781091 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 68310792 positive integers (up to 71781091) that are relatively prime to 71781091.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand ninety-one

Notation

Scientific notation 7.1781091 × 10^7
Engineering notation 7.1781091 × 10^6

Prime Factorization of 71781091

Prime Factorization 23 × 199 × 15683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71781091
Product of the distinct prime numbers

The prime factorization of 71781091 is 23 × 199 × 15683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781091)

Multiplication

n×y
n×2 143562182
n×3 215343273
n×4 287124364
n×5 358905455

Division

n÷y
n÷2 35890545.5
n÷3 23927030.333333
n÷3 17945272.75
n÷5 14356218.2

Exponentiation

ny
n2 5152525025150281
n3 3.6985386771009E+23
n4 2.65485141348E+31
n5 1.9056813090249E+39

Nth Root

y√n
2√n 8472.37221798
3√n 415.59471708054
4√n 92.045489938291
5√n 37.256496360432

Divisors of 71781091

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 -71781090
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 71781091 can be divided by 8 positive divisors. The sum of these divisors (counting 71781091) is 1, the average is 0.125.

Base conversion 71781091

Base System Value
2 Binary 100010001110100101011100011
3 Ternary 12000001212010221
4 Quaternary 10101310223203
5 Quinary 121333443331
6 Senary 11042303511
8 Octal 421645343
10 Decimal 71781091
12 Duodecimal 20057b97
16 Hexadecimal 4474ae3
20 Vigesimal 128cceb
36 Base36 16qin7

Cryptographic Hash Functions

md5 63940827348874185ad83b1caa1a4cce
sha1 6cdb2c0c389382b907c8dd29c1867c042ca7a84f
sha256 7d62eb125b2579d3071e3406226ce9123598376357b0f72190df6b3896d715ac
sha512 c67b554b78e692cd8757011dce6bc2ab9e3a212a690da9425e93aea8172281d921868923e505c0a7524d3a0c1061029858643e5285466d2eecbffe98a56cd75e
ripemd-160 02a93abf95f1a1932f169093a7a7a5c569d80de7

71781091 as geometric shapes

Circle

Radius = n
Diameter 143562182
Circumference 451013896.30452
Area 1.618713476645E+16

Sphere

Radius = n
Volume 1.5492402582664E+24
Surface area 6.4748539065799E+16
Circumference 451013896.30452

Square

Length = n
Perimeter 287124364
Area 5152525025150281
Diagonal 101513792.41414

Cube

Length = n
Surface area 30915150150901686
Volume 3.6985386771009E+23
Space diagonal 124328496.63473

Equilateral Triangle

Length = n
Perimeter 215343273
Area 2.2311087827076E+15
Altitude 62164248.317363

Triangular Pyramid

Length = n
Surface area 2.2311087827076E+15
Volume 4.3587696317646E+22
Height 33837930.804712