72187868 (number)

72187868 is an even 8-digits composite number following 72187867 and preceding 72187869. In scientific notation, it is written as 7.2187868 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 35894160 positive integers (up to 72187868) that are relatively prime to 72187868.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-seven thousand eight hundred sixty-eight

Notation

Scientific notation 7.2187868 × 10^7
Engineering notation 7.2187868 × 10^6

Prime Factorization of 72187868

Prime Factorization 2 × 2 × 181 × 99707

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 36093934
Product of the distinct prime numbers

The prime factorization of 72187868 is 2 × 2 × 181 × 99707. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 38, 95, 94, 1, 9552, 2069, 97187, 3113, 918919, 812409, 647219, 4721271, 84833990, 22520873, 488180984, 619970224, 2921732995, 8280484184

Basic calculations (n = 72187868)

Multiplication

n×y
n×2 144375736
n×3 216563604
n×4 288751472
n×5 360939340

Division

n÷y
n÷2 36093934
n÷3 24062622.666667
n÷3 18046967
n÷5 14437573.6

Exponentiation

ny
n2 5211088286385424
n3 3.7617735335394E+23
n4 2.7155441128503E+31
n5 1.9602933996662E+39

Nth Root

y√n
2√n 8496.3443903834
3√n 416.37828478997
4√n 92.175617114199
5√n 37.298626812752

Divisors of 72187868

1, 2, 4, 181, 362, 724, 99707, 199414, 398828, 18046967, 36093934, 72187868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72187867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72187868 can be divided by 12 positive divisors. The sum of these divisors (counting 72187868) is 1, the average is 0.083333333333333.

Base conversion 72187868

Base System Value
2 Binary 100010011010111111111011100
3 Ternary 12000211112010202
4 Quaternary 10103113333130
5 Quinary 121440002433
6 Senary 11055123032
8 Octal 423277734
10 Decimal 72187868
12 Duodecimal 20213478
16 Hexadecimal 44d7fdc
20 Vigesimal 12b39d8
36 Base36 16z8ik

Cryptographic Hash Functions

md5 8baa3dee304e9792d32d3eec16c9f919
sha1 d28d6cd97633a30cb3033619f76014d113bd5f24
sha256 a6c1262aa4f7fd9a0b70fa11007e350fe1641c8f2abce37f48a2959496fcd891
sha512 898b390d2f9bab1b71ca3303b79a2ed5279b480150b5ac416f73a2c137b792c57b1f223528f303169d09d4d2c100ec1a09af74f4b2226150f46e11e22d9e7a9b
ripemd-160 b34ce8c9b0dffce63007a08d275b00963f919b26

72187868 as geometric shapes

Circle

Radius = n
Diameter 144375736
Circumference 453569751.57422
Area 1.6371116677716E+16

Sphere

Radius = n
Volume 1.5757280129914E+24
Surface area 6.5484466710865E+16
Circumference 453569751.57422

Square

Length = n
Perimeter 288751472
Area 5211088286385424
Diagonal 102089061.9644

Cube

Length = n
Surface area 31266529718312544
Volume 3.7617735335394E+23
Space diagonal 125033055.06608

Equilateral Triangle

Length = n
Perimeter 216563604
Area 2.2564674186866E+15
Altitude 62516527.533038

Triangular Pyramid

Length = n
Surface area 2.2564674186866E+15
Volume 4.4332926247563E+22
Height 34029687.321466