71388909 (number)

71388909 is an odd 8-digits composite number following 71388908 and preceding 71388910. In scientific notation, it is written as 7.1388909 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 45087624 positive integers (up to 71388909) that are relatively prime to 71388909.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand nine hundred nine

Notation

Scientific notation 7.1388909 × 10^7
Engineering notation 7.1388909 × 10^6

Prime Factorization of 71388909

Prime Factorization 9 × 19 × 417479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71388909
Product of the distinct prime numbers

The prime factorization of 71388909 is 9 × 19 × 417479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388909)

Multiplication

n×y
n×2 142777818
n×3 214166727
n×4 285555636
n×5 356944545

Division

n÷y
n÷2 35694454.5
n÷3 23796303
n÷3 17847227.25
n÷5 14277781.8

Exponentiation

ny
n2 5096376328210281
n3 3.6382474592436E+23
n4 2.5973051678742E+31
n5 1.854187822746E+39

Nth Root

y√n
2√n 8449.1957605443
3√n 414.83645561456
4√n 91.919506964215
5√n 37.215696299537

Divisors of 71388909

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 -71388908
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 71388909 can be divided by 8 positive divisors. The sum of these divisors (counting 71388909) is 1, the average is 0.125.

Base conversion 71388909

Base System Value
2 Binary 100010000010100111011101101
3 Ternary 11222022221011200
4 Quaternary 10100110323231
5 Quinary 121233421114
6 Senary 11030040113
8 Octal 420247355
10 Decimal 71388909
12 Duodecimal 1baa9039
16 Hexadecimal 4414eed
20 Vigesimal 1263c59
36 Base36 16i419

Cryptographic Hash Functions

md5 407e21e1fc8ce01e0b034a188764d7e0
sha1 6a850db598a8b15e0c972dd51de62724f15ca1cf
sha256 38ef5dca400929f661b5f26de384a4fd3465058efc6fe0e7e778ccd78f8741c0
sha512 eba66a582218450be90b1809c97afdb4910d488e251e5f921d5832468bf3e314f041f2043dfed9bc29de7087fe5826147b9e8dbecc319944602236dc9543fdd4
ripemd-160 02809b01d9be68770d7da719c37397ad4cfd24bf

71388909 as geometric shapes

Circle

Radius = n
Diameter 142777818
Circumference 448549744.12438
Area 1.6010738432634E+16

Sphere

Radius = n
Volume 1.5239855319868E+24
Surface area 6.4042953730537E+16
Circumference 448549744.12438

Square

Length = n
Perimeter 285555636
Area 5096376328210281
Diagonal 100959163.31082

Cube

Length = n
Surface area 30578257969261686
Volume 3.6382474592436E+23
Space diagonal 123649217.48491

Equilateral Triangle

Length = n
Perimeter 214166727
Area 2.2067956837379E+15
Altitude 61824608.742456

Triangular Pyramid

Length = n
Surface area 2.2067956837379E+15
Volume 4.2877157501098E+22
Height 33653054.43694