71287890 (number)

71287890 is an even 8-digits composite number following 71287889 and preceding 71287891. In scientific notation, it is written as 7.1287890 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 19010096 positive integers (up to 71287890) that are relatively prime to 71287890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1287890 × 10^7
Engineering notation 7.1287890 × 10^6

Prime Factorization of 71287890

Prime Factorization 2 × 15 × 2376263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71287890
Product of the distinct prime numbers

The prime factorization of 71287890 is 2 × 15 × 2376263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71287890)

Multiplication

n×y
n×2 142575780
n×3 213863670
n×4 285151560
n×5 356439450

Division

n÷y
n÷2 35643945
n÷3 23762630
n÷3 17821972.5
n÷5 14257578

Exponentiation

ny
n2 5081963260652100
n3 3.6228243790941E+23
n4 2.5826350582618E+31
n5 1.8411060394351E+39

Nth Root

y√n
2√n 8443.2156196558
3√n 414.64069156377
4√n 91.886971980014
5√n 37.205157905727

Divisors of 71287890

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 -71287889
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 71287890 can be divided by 8 positive divisors. The sum of these divisors (counting 71287890) is 1, the average is 0.125.

Base conversion 71287890

Base System Value
2 Binary 100001111111100010001010010
3 Ternary 11222010210121020
4 Quaternary 10033330101102
5 Quinary 121222203030
6 Senary 11023540310
8 Octal 417742122
10 Decimal 71287890
12 Duodecimal 1ba5a696
16 Hexadecimal 43fc452
20 Vigesimal 125ajea
36 Base36 16fy36

Cryptographic Hash Functions

md5 a73da176d8db6b68515cbe3fd5108a1d
sha1 e6e0d807e97861f10b13bbb06e758b069e980335
sha256 18ba6006fd0d3bc890135e5f3d64229d7b7faac7875abdcb5a7f04ccd74dbdbb
sha512 1a8ba2fe3f0965f451b0357da699233750cfdaf87e51de21ff7ad81323265d7494e49e218094e862e564444856dead15d65e0024a2f73875b253588f272c9616
ripemd-160 34fa429690e2e358b5ca361993db670dafa36b99

71287890 as geometric shapes

Circle

Radius = n
Diameter 142575780
Circumference 447915023.02783
Area 1.5965458445478E+16

Sphere

Radius = n
Volume 1.5175251272811E+24
Surface area 6.3861833781911E+16
Circumference 447915023.02783

Square

Length = n
Perimeter 285151560
Area 5081963260652100
Diagonal 100816300.87096

Cube

Length = n
Surface area 30491779563912600
Volume 3.6228243790941E+23
Space diagonal 123474247.44438

Equilateral Triangle

Length = n
Perimeter 213863670
Area 2.200554642412E+15
Altitude 61737123.722191

Triangular Pyramid

Length = n
Surface area 2.200554642412E+15
Volume 4.2695394758423E+22
Height 33605433.623654