71645 (number)

71645 is an odd 5-digits composite number following 71644 and preceding 71646. In scientific notation, it is written as 7.1645 × 10^4. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 46464 positive integers (up to 71645) that are relatively prime to 71645.

Interesting facts

Basic properties

Name

Name seventy-one thousand six hundred forty-five

Notation

Scientific notation 7.1645 × 10^4
Engineering notation 7.1645 × 10^3

Prime Factorization of 71645

Prime Factorization 7 × 23 × 5 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71645
Product of the distinct prime numbers

The prime factorization of 71645 is 7 × 23 × 5 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 67, 96, 258, 220, 3341, 563, 78320, 92344, 748549, 293089, 5564838, 2563602, 70521543, 57553086, 276700437, 800396989, 3089900491, 7635591849

Basic calculations (n = 71645)

Multiplication

n×y
n×2 143290
n×3 214935
n×4 286580
n×5 358225

Division

n÷y
n÷2 35822.5
n÷3 23881.666666667
n÷3 17911.25
n÷5 14329

Exponentiation

ny
n2 5133006025
n3 367754216661125
n4 2.6347750852686E+19
n5 1.8876846098407E+24

Nth Root

y√n
2√n 267.66583644537
3√n 41.533190654049
4√n 16.360496216355
5√n 9.3548575216667

Divisors of 71645

1, 5, 7, 23, 35, 89, 115, 161, 445, 623, 805, 2047, 3115, 10235, 14329, 71645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71645 can be divided by 16 positive divisors. The sum of these divisors (counting 71645) is 1, the average is 0.0625.

Base conversion 71645

Base System Value
2 Binary 10001011111011101
3 Ternary 10122021112
4 Quaternary 101133131
5 Quinary 4243040
6 Senary 1311405
8 Octal 213735
10 Decimal 71645
12 Duodecimal 35565
16 Hexadecimal 117dd
20 Vigesimal 8j25
36 Base36 1ja5

Cryptographic Hash Functions

md5 3491e1ec84426576037a2d26d714f01d
sha1 1e16cfd1cf4efab5817f82b42d60696c33b69711
sha256 c416a0cf235f2604c45cb89b971221646abd9ab764d7b2b87087577e6189ca0f
sha512 a2d879113d3267adcf54eedccb7d0ffd8d3afd1c96e565c6c47c4b95b130ec2d58417f71538f5ba2bee060dccce7732ebed3fead74b50a0e3499e039fd868954
ripemd-160 eda36a745799c107fbaf9e20fc8fb73d7a335ffb

71645 as geometric shapes

Circle

Radius = n
Diameter 143290
Circumference 450158.81133288
Area 16125814018.972

Sphere

Radius = n
Volume 1.540445260519E+15
Surface area 64503256075.889
Circumference 450158.81133288

Square

Length = n
Perimeter 286580
Area 5133006025
Diagonal 101321.33067622

Cube

Length = n
Surface area 30798036150
Volume 367754216661125
Space diagonal 124092.78010827

Equilateral Triangle

Length = n
Perimeter 214935
Area 2222656807.7143
Altitude 62046.390054136

Triangular Pyramid

Length = n
Surface area 2222656807.7143
Volume 43340250068505
Height 33773.776892073