72181849 (number)

72181849 is an odd 8-digits composite number following 72181848 and preceding 72181850. In scientific notation, it is written as 7.2181849 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 70536960 positive integers (up to 72181849) that are relatively prime to 72181849.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181849 × 10^7
Engineering notation 7.2181849 × 10^6

Prime Factorization of 72181849

Prime Factorization 157 × 61 × 7537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72181849
Product of the distinct prime numbers

The prime factorization of 72181849 is 157 × 61 × 7537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181849)

Multiplication

n×y
n×2 144363698
n×3 216545547
n×4 288727396
n×5 360909245

Division

n÷y
n÷2 36090924.5
n÷3 24060616.333333
n÷3 18045462.25
n÷5 14436369.8

Exponentiation

ny
n2 5210219325058801
n3 3.7608326457828E+23
n4 2.7146385415216E+31
n5 1.9594762929369E+39

Nth Root

y√n
2√n 8495.9901718399
3√n 416.36671197483
4√n 92.17369566118
5√n 37.298004802631

Divisors of 72181849

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 -72181848
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 72181849 can be divided by 8 positive divisors. The sum of these divisors (counting 72181849) is 1, the average is 0.125.

Base conversion 72181849

Base System Value
2 Binary 100010011010110100001011001
3 Ternary 12000211012212211
4 Quaternary 10103112201121
5 Quinary 121434304344
6 Senary 11055035121
8 Octal 423264131
10 Decimal 72181849
12 Duodecimal 2020baa1
16 Hexadecimal 44d6859
20 Vigesimal 12b2ec9
36 Base36 16z3vd

Cryptographic Hash Functions

md5 b569a7226c6ad2510111fb2e8494206b
sha1 649a5fe9721fbc3f6e7c0a8c40ff63bd741b6266
sha256 5bb4792d5cb2a368d855601c8edb3dee1349f3578f1902f942ada09a03547860
sha512 5ff7cfca6e1835b1a6cd76982a89ff50418a6f60c72a0568100513d2624e9ce5c478e0d5a531d01533b547176a49582a40ea312c812b8eca48213a20219b16d3
ripemd-160 e80643fc303049d6cb801b5f489c11e1e190d640

72181849 as geometric shapes

Circle

Radius = n
Diameter 144363698
Circumference 453531933.08186
Area 1.6368386755196E+16

Sphere

Radius = n
Volume 1.5753338948496E+24
Surface area 6.5473547020785E+16
Circumference 453531933.08186

Square

Length = n
Perimeter 288727396
Area 5210219325058801
Diagonal 102080549.81297

Cube

Length = n
Surface area 31261315950352806
Volume 3.7608326457828E+23
Space diagonal 125022629.85226

Equilateral Triangle

Length = n
Perimeter 216545547
Area 2.2560911473948E+15
Altitude 62511314.926132

Triangular Pyramid

Length = n
Surface area 2.2560911473948E+15
Volume 4.4321837779012E+22
Height 34026849.937656