72781569 (number)

72781569 is an odd 8-digits composite number following 72781568 and preceding 72781570. In scientific notation, it is written as 7.2781569 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 41589432 positive integers (up to 72781569) that are relatively prime to 72781569.

Interesting facts

Basic properties

Name

Name seventy-two million seven hundred eighty-one thousand five hundred sixty-nine

Notation

Scientific notation 7.2781569 × 10^7
Engineering notation 7.2781569 × 10^6

Prime Factorization of 72781569

Prime Factorization 21 × 3 × 1155263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72781569
Product of the distinct prime numbers

The prime factorization of 72781569 is 21 × 3 × 1155263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72781569)

Multiplication

n×y
n×2 145563138
n×3 218344707
n×4 291126276
n×5 363907845

Division

n÷y
n÷2 36390784.5
n÷3 24260523
n÷3 18195392.25
n÷5 14556313.8

Exponentiation

ny
n2 5297156786101761
n3 3.8553538213148E+23
n4 2.8059870016544E+31
n5 2.0422413657401E+39

Nth Root

y√n
2√n 8531.2114614514
3√n 417.51665512579
4√n 92.364557387839
5√n 37.359777643155

Divisors of 72781569

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 -72781568
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 72781569 can be divided by 8 positive divisors. The sum of these divisors (counting 72781569) is 1, the average is 0.125.

Base conversion 72781569

Base System Value
2 Binary 100010101101000111100000001
3 Ternary 12001221200112200
4 Quaternary 10111220330001
5 Quinary 122113002234
6 Senary 11115543413
8 Octal 425507401
10 Decimal 72781569
12 Duodecimal 2045ab69
16 Hexadecimal 4568f01
20 Vigesimal 12ehdi9
36 Base36 17bym9

Cryptographic Hash Functions

md5 45d5c9cc7a1be29ce78a97cc9c6c3984
sha1 e6d158f61b41c36506b6daab09bc1994fcbbde76
sha256 099b6ad55f2f7bd113de8d5d196bdfe9a1cc25b22adad4cc4d76781f81e28eff
sha512 5e5ca266dba7f60c24ca2b12f65d67c8e16a711f6b6b0fe0c9a8187bddd413e4a79390555e71a3f347fc6de794dafb1cb9c431addc2367d7900daab49e47ece2
ripemd-160 81e83eda8b5d7546a28c586af1068c7963443abc

72781569 as geometric shapes

Circle

Radius = n
Diameter 145563138
Circumference 457300084.97428
Area 1.6641508844131E+16

Sphere

Radius = n
Volume 1.6149268322709E+24
Surface area 6.6566035376522E+16
Circumference 457300084.97428

Square

Length = n
Perimeter 291126276
Area 5297156786101761
Diagonal 102928681.97059

Cube

Length = n
Surface area 31782940716610566
Volume 3.8553538213148E+23
Space diagonal 126061375.36258

Equilateral Triangle

Length = n
Perimeter 218344707
Area 2.2937361722966E+15
Altitude 63030687.68129

Triangular Pyramid

Length = n
Surface area 2.2937361722966E+15
Volume 4.543578051542E+22
Height 34309560.656864