71289721 (number)

71289721 is an odd 8-digits composite number following 71289720 and preceding 71289722. In scientific notation, it is written as 7.1289721 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 67096192 positive integers (up to 71289721) that are relatively prime to 71289721.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 7.1289721 × 10^7
Engineering notation 7.1289721 × 10^6

Prime Factorization of 71289721

Prime Factorization 17 × 4193513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71289721
Product of the distinct prime numbers

The prime factorization of 71289721 is 17 × 4193513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71289721)

Multiplication

n×y
n×2 142579442
n×3 213869163
n×4 285158884
n×5 356448605

Division

n÷y
n÷2 35644860.5
n÷3 23763240.333333
n÷3 17822430.25
n÷5 14257944.2

Exponentiation

ny
n2 5082224320257841
n3 3.623103538506E+23
n4 2.582900404142E+31
n5 1.8413424918207E+39

Nth Root

y√n
2√n 8443.3240492119
3√n 414.64424149166
4√n 91.887561994058
5√n 37.205349023585

Divisors of 71289721

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 -71289720
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 71289721 can be divided by 4 positive divisors. The sum of these divisors (counting 71289721) is 1, the average is 0.25.

Base conversion 71289721

Base System Value
2 Binary 100001111111100101101111001
3 Ternary 11222010220010001
4 Quaternary 10033330231321
5 Quinary 121222232341
6 Senary 11023553001
8 Octal 417745571
10 Decimal 71289721
12 Duodecimal 1ba5b761
16 Hexadecimal 43fcb79
20 Vigesimal 125b461
36 Base36 16fzi1

Cryptographic Hash Functions

md5 5e46edf95571e5eded1451a6f8626152
sha1 05287cd4f9e7fa291463773db84279ca62c28e90
sha256 fd5972d60b98b2063ee511a8e215533535f87f4f4ae9b5b0be840f8a2db58e85
sha512 4f491ef72d38a1c806ba94f28b5c6dd67eadc6bb79c1c311669796a936d1e920e4cfb27771f08cdd8590efb62a6a071ae44849190c9116e2278ae14204d914a1
ripemd-160 380edf7d7f5e009ad7b2e39f6ca1bddd037c9a70

71289721 as geometric shapes

Circle

Radius = n
Diameter 142579442
Circumference 447926527.54013
Area 1.5966278588417E+16

Sphere

Radius = n
Volume 1.5176420613021E+24
Surface area 6.386511435367E+16
Circumference 447926527.54013

Square

Length = n
Perimeter 285158884
Area 5082224320257841
Diagonal 100818890.29599

Cube

Length = n
Surface area 30493345921547046
Volume 3.623103538506E+23
Space diagonal 123477418.82941

Equilateral Triangle

Length = n
Perimeter 213869163
Area 2.2006676845372E+15
Altitude 61738709.414705

Triangular Pyramid

Length = n
Surface area 2.2006676845372E+15
Volume 4.2698684683642E+22
Height 33606296.765331