71661805 (number)

71661805 is an odd 8-digits composite number following 71661804 and preceding 71661806. In scientific notation, it is written as 7.1661805 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 57329440 positive integers (up to 71661805) that are relatively prime to 71661805.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand eight hundred five

Notation

Scientific notation 7.1661805 × 10^7
Engineering notation 7.1661805 × 10^6

Prime Factorization of 71661805

Prime Factorization 5 × 14332361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71661805
Product of the distinct prime numbers

The prime factorization of 71661805 is 5 × 14332361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71661805)

Multiplication

n×y
n×2 143323610
n×3 214985415
n×4 286647220
n×5 358309025

Division

n÷y
n÷2 35830902.5
n÷3 23887268.333333
n÷3 17915451.25
n÷5 14332361

Exponentiation

ny
n2 5135414295858025
n3 3.6801305786399E+23
n4 2.6372479990103E+31
n5 1.8898995184172E+39

Nth Root

y√n
2√n 8465.3295860232
3√n 415.36437732024
4√n 92.00722572724
5√n 37.244105533125

Divisors of 71661805

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 -71661804
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 71661805 can be divided by 4 positive divisors. The sum of these divisors (counting 71661805) is 1, the average is 0.25.

Base conversion 71661805

Base System Value
2 Binary 100010001010111100011101101
3 Ternary 11222211210111221
4 Quaternary 10101113203231
5 Quinary 121321134210
6 Senary 11035543341
8 Octal 421274355
10 Decimal 71661805
12 Duodecimal 1bbbab51
16 Hexadecimal 44578ed
20 Vigesimal 127hea5
36 Base36 16nylp

Cryptographic Hash Functions

md5 959a2181c8e4dd045b1147417b85580e
sha1 77a51f1eded9dd1ecd224a8bafaa5406df767e76
sha256 70ab50e0c18feb2e890218a2c2bb84602fdbfee77c803f3c5b0eec2515094fa0
sha512 e0c80ce998e46650e236ff7d5a25e339bacc8b8d5053cf2d13eb3fec508774a4aa4c094dacfec3d596bc8a576fe8e44b00b367df6ea7f5e4240567134251052a
ripemd-160 8f6dd9cfe064f133f6b511d3e864e780f9f06702

71661805 as geometric shapes

Circle

Radius = n
Diameter 143323610
Circumference 450264400.26197
Area 1.6133379825008E+16

Sphere

Radius = n
Volume 1.5415294920142E+24
Surface area 6.453351930003E+16
Circumference 450264400.26197

Square

Length = n
Perimeter 286647220
Area 5135414295858025
Diagonal 101345096.53514

Cube

Length = n
Surface area 30812485775148150
Volume 3.6801305786399E+23
Space diagonal 124121887.22209

Equilateral Triangle

Length = n
Perimeter 214985415
Area 2.2236996195854E+15
Altitude 62060943.611047

Triangular Pyramid

Length = n
Surface area 2.2236996195854E+15
Volume 4.3370754796804E+22
Height 33781698.845045