72181009 (number)

72181009 is an odd 8-digits composite number following 72181008 and preceding 72181010. In scientific notation, it is written as 7.2181009 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 72163300 positive integers (up to 72181009) that are relatively prime to 72181009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181009 × 10^7
Engineering notation 7.2181009 × 10^6

Prime Factorization of 72181009

Prime Factorization 6359 × 11351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72181009
Product of the distinct prime numbers

The prime factorization of 72181009 is 6359 × 11351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181009)

Multiplication

n×y
n×2 144362018
n×3 216543027
n×4 288724036
n×5 360905045

Division

n÷y
n÷2 36090504.5
n÷3 24060336.333333
n÷3 18045252.25
n÷5 14436201.8

Exponentiation

ny
n2 5210098060258081
n3 3.7607013497837E+23
n4 2.7145121797505E+31
n5 1.9593622807718E+39

Nth Root

y√n
2√n 8495.9407366106
3√n 416.36509684398
4√n 92.173427497358
5√n 37.297917992802

Divisors of 72181009

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 -72181008
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 72181009 can be divided by 4 positive divisors. The sum of these divisors (counting 72181009) is 1, the average is 0.25.

Base conversion 72181009

Base System Value
2 Binary 100010011010110010100010001
3 Ternary 12000211011201201
4 Quaternary 10103112110101
5 Quinary 121434243014
6 Senary 11055031201
8 Octal 423262421
10 Decimal 72181009
12 Duodecimal 2020b501
16 Hexadecimal 44d6511
20 Vigesimal 12b2ca9
36 Base36 16z381

Cryptographic Hash Functions

md5 1b12ac9b088d542071af8436f307f256
sha1 5e50cf6dae360e0e3dd3d2da0aeb85333b40a1ea
sha256 05339904523e37a5174593b42b5405c29d47fb1dca7834629cc500dba2d6cf07
sha512 d717175339caf0d9a3f6567bcfab88a86ad91484691dfd69ccba6d47557780984fbe17be8bcd07591b3ee76f3a9be409b2a656e5a6ed2b22d5d45fd149e6edf7
ripemd-160 7afd0bc10c785f31fec096b1c13f3ff07328b296

72181009 as geometric shapes

Circle

Radius = n
Diameter 144362018
Circumference 453526655.2062
Area 1.6368005790589E+16

Sphere

Radius = n
Volume 1.5752788977101E+24
Surface area 6.5472023162357E+16
Circumference 453526655.2062

Square

Length = n
Perimeter 288724036
Area 5210098060258081
Diagonal 102079361.87357

Cube

Length = n
Surface area 31260588361548486
Volume 3.7607013497837E+23
Space diagonal 125021174.92959

Equilateral Triangle

Length = n
Perimeter 216543027
Area 2.2560386381958E+15
Altitude 62510587.464793

Triangular Pyramid

Length = n
Surface area 2.2560386381958E+15
Volume 4.4320290440824E+22
Height 34026453.957858