72181889 (number)

72181889 is an odd 8-digits composite number following 72181888 and preceding 72181890. In scientific notation, it is written as 7.2181889 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 62840448 positive integers (up to 72181889) that are relatively prime to 72181889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181889 × 10^7
Engineering notation 7.2181889 × 10^6

Prime Factorization of 72181889

Prime Factorization 299 × 73 × 3307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72181889
Product of the distinct prime numbers

The prime factorization of 72181889 is 299 × 73 × 3307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181889)

Multiplication

n×y
n×2 144363778
n×3 216545667
n×4 288727556
n×5 360909445

Division

n÷y
n÷2 36090944.5
n÷3 24060629.666667
n÷3 18045472.25
n÷5 14436377.8

Exponentiation

ny
n2 5210225099608321
n3 3.7608388980494E+23
n4 2.7146445588589E+31
n5 1.95948172222E+39

Nth Root

y√n
2√n 8495.9925258913
3√n 416.36678888551
4√n 92.173708430828
5√n 37.298008936412

Divisors of 72181889

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 -72181888
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 72181889 can be divided by 8 positive divisors. The sum of these divisors (counting 72181889) is 1, the average is 0.125.

Base conversion 72181889

Base System Value
2 Binary 100010011010110100010000001
3 Ternary 12000211012221022
4 Quaternary 10103112202001
5 Quinary 121434310024
6 Senary 11055035225
8 Octal 423264201
10 Decimal 72181889
12 Duodecimal 2020bb15
16 Hexadecimal 44d6881
20 Vigesimal 12b2ee9
36 Base36 16z3wh

Cryptographic Hash Functions

md5 85f9d4f1025d535a80616990e65fdf85
sha1 ce8ad8a2ee7a4ee8756d8c249f93e65ad5bcb0a0
sha256 b1a5eec86520e63ed9afa49f58ac31757ebec66bfb614d42f9491ca45c3340d6
sha512 2f2d57f9f8e6f53ae114f4fb7ad22c5df894061498d2d2d7b5c7e3283a55f4fd3b1872800ddd2a73d507cc4c16844b45ebf5d78270c847c61dc41bbabd10ffd8
ripemd-160 717be7cf6ecdc478f79c4cb9f394e33069270ab8

72181889 as geometric shapes

Circle

Radius = n
Diameter 144363778
Circumference 453532184.40927
Area 1.6368404896479E+16

Sphere

Radius = n
Volume 1.5753365137929E+24
Surface area 6.5473619585915E+16
Circumference 453532184.40927

Square

Length = n
Perimeter 288727556
Area 5210225099608321
Diagonal 102080606.38151

Cube

Length = n
Surface area 31261350597649926
Volume 3.7608388980494E+23
Space diagonal 125022699.1343

Equilateral Triangle

Length = n
Perimeter 216545667
Area 2.2560936478481E+15
Altitude 62511349.567149

Triangular Pyramid

Length = n
Surface area 2.2560936478481E+15
Volume 4.4321911462681E+22
Height 34026868.793836