72181608 (number)

72181608 is an even 8-digits composite number following 72181607 and preceding 72181609. In scientific notation, it is written as 7.2181608 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 22794048 positive integers (up to 72181608) that are relatively prime to 72181608.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand six hundred eight

Notation

Scientific notation 7.2181608 × 10^7
Engineering notation 7.2181608 × 10^6

Prime Factorization of 72181608

Prime Factorization 2 × 2 × 2 × 3 × 19 × 158293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18045402
Product of the distinct prime numbers

The prime factorization of 72181608 is 2 × 2 × 2 × 3 × 19 × 158293. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181608)

Multiplication

n×y
n×2 144363216
n×3 216544824
n×4 288726432
n×5 360908040

Division

n÷y
n÷2 36090804
n÷3 24060536
n÷3 18045402
n÷5 14436321.6

Exponentiation

ny
n2 5210184533465664
n3 3.7607949760228E+23
n4 2.7146022872765E+31
n5 1.9594435817609E+39

Nth Root

y√n
2√n 8495.9759886666
3√n 416.36624858738
4√n 92.173618723942
5√n 37.29797989656

Divisors of 72181608

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181607
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181608 can be divided by 32 positive divisors. The sum of these divisors (counting 72181608) is 1, the average is 0.03125.

Base conversion 72181608

Base System Value
2 Binary 100010011010110011101101000
3 Ternary 12000211012112220
4 Quaternary 10103112131220
5 Quinary 121434302413
6 Senary 11055034040
8 Octal 423263550
10 Decimal 72181608
12 Duodecimal 2020b920
16 Hexadecimal 44d6768
20 Vigesimal 12b2e08
36 Base36 16z3oo

Cryptographic Hash Functions

md5 60a6e42ce0a0815b22e3a2f4290542e0
sha1 d3d7922ac6597f7bd547cac3c77b5cf9bb92e959
sha256 5d3091fe64ffd1320a09a8f16d5f9b19fcd1672eb27356dbaa66cb427164e92d
sha512 f701f8c904fe6fd07472e39d8b3e704bfb8f04377e7e9bbf8b90fa1acb21abbf6ba98d0b649e25283f615c519f85bfa7b8d657c695f0fb605726c012bbd2e6cf
ripemd-160 c69763eac3b3e0a6fd12f27264f7eb468520adba

72181608 as geometric shapes

Circle

Radius = n
Diameter 144363216
Circumference 453530418.8342
Area 1.6368277454183E+16

Sphere

Radius = n
Volume 1.5753181157774E+24
Surface area 6.5473109816732E+16
Circumference 453530418.8342

Square

Length = n
Perimeter 288726432
Area 5210184533465664
Diagonal 102080208.9875

Cube

Length = n
Surface area 31261107200793984
Volume 3.7607949760228E+23
Space diagonal 125022212.42802

Equilateral Triangle

Length = n
Perimeter 216544824
Area 2.256076082193E+15
Altitude 62511106.21401

Triangular Pyramid

Length = n
Surface area 2.256076082193E+15
Volume 4.4321393836634E+22
Height 34026736.329166