71661809 (number)

71661809 is an odd 8-digits composite number following 71661808 and preceding 71661810. In scientific notation, it is written as 7.1661809 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 69478560 positive integers (up to 71661809) that are relatively prime to 71661809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1661809 × 10^7
Engineering notation 7.1661809 × 10^6

Prime Factorization of 71661809

Prime Factorization 41 × 163 × 10723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71661809
Product of the distinct prime numbers

The prime factorization of 71661809 is 41 × 163 × 10723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71661809)

Multiplication

n×y
n×2 143323618
n×3 214985427
n×4 286647236
n×5 358309045

Division

n÷y
n÷2 35830904.5
n÷3 23887269.666667
n÷3 17915452.25
n÷5 14332361.8

Exponentiation

ny
n2 5135414869152481
n3 3.6801311948897E+23
n4 2.6372485878312E+31
n5 1.8899000458668E+39

Nth Root

y√n
2√n 8465.329822281
3√n 415.36438504848
4√n 92.007227011148
5√n 37.244105948901

Divisors of 71661809

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 -71661808
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 71661809 can be divided by 8 positive divisors. The sum of these divisors (counting 71661809) is 1, the average is 0.125.

Base conversion 71661809

Base System Value
2 Binary 100010001010111100011110001
3 Ternary 11222211210112002
4 Quaternary 10101113203301
5 Quinary 121321134214
6 Senary 11035543345
8 Octal 421274361
10 Decimal 71661809
12 Duodecimal 1bbbab55
16 Hexadecimal 44578f1
20 Vigesimal 127hea9
36 Base36 16nylt

Cryptographic Hash Functions

md5 2a09382a73affbaa400a95eefcf1976e
sha1 68b5ae94787d5a9ce07685a0adaa5948bfeda6ff
sha256 96d81de0cf2d50ae9db7c2677874a6a23c8b157815db09f1b15fb18dd50eeecf
sha512 da73566b8699430ea88b19c654a692843d0d78def77143b72b2380928b15ab5bf89333c06e34ab0291afd429409cd5139006f05ac9a284e47984fa196f413e1b
ripemd-160 939e228e70e2fdef3f44d4aa466d0ae5217b846d

71661809 as geometric shapes

Circle

Radius = n
Diameter 143323618
Circumference 450264425.39471
Area 1.6133381626065E+16

Sphere

Radius = n
Volume 1.5415297501483E+24
Surface area 6.4533526504261E+16
Circumference 450264425.39471

Square

Length = n
Perimeter 286647236
Area 5135414869152481
Diagonal 101345102.19199

Cube

Length = n
Surface area 30812489214914886
Volume 3.6801311948897E+23
Space diagonal 124121894.1503

Equilateral Triangle

Length = n
Perimeter 214985427
Area 2.2236998678292E+15
Altitude 62060947.075148

Triangular Pyramid

Length = n
Surface area 2.2236998678292E+15
Volume 4.3370762059377E+22
Height 33781700.730663