72186945 (number)

72186945 is an odd 8-digits composite number following 72186944 and preceding 72186946. In scientific notation, it is written as 7.2186945 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 37171904 positive integers (up to 72186945) that are relatively prime to 72186945.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-six thousand nine hundred forty-five

Notation

Scientific notation 7.2186945 × 10^7
Engineering notation 7.2186945 × 10^6

Prime Factorization of 72186945

Prime Factorization 87 × 5 × 165947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72186945
Product of the distinct prime numbers

The prime factorization of 72186945 is 87 × 5 × 165947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72186945)

Multiplication

n×y
n×2 144373890
n×3 216560835
n×4 288747780
n×5 360934725

Division

n÷y
n÷2 36093472.5
n÷3 24062315
n÷3 18046736.25
n÷5 14437389

Exponentiation

ny
n2 5210955028433025
n3 3.7616292403497E+23
n4 2.7154052308351E+31
n5 1.9601680805101E+39

Nth Root

y√n
2√n 8496.2900727317
3√n 416.37651016677
4√n 92.175322471537
5√n 37.298531431604

Divisors of 72186945

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 -72186944
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 72186945 can be divided by 8 positive divisors. The sum of these divisors (counting 72186945) is 1, the average is 0.125.

Base conversion 72186945

Base System Value
2 Binary 100010011010111110001000001
3 Ternary 12000211110212120
4 Quaternary 10103113301001
5 Quinary 121434440240
6 Senary 11055114453
8 Octal 423276101
10 Decimal 72186945
12 Duodecimal 20212a29
16 Hexadecimal 44d7c41
20 Vigesimal 12b3775
36 Base36 16z7sx

Cryptographic Hash Functions

md5 51bdd502f530a4df268f0329d2ee1bcd
sha1 81734280f614692927ad8dbf0057920cca5b7004
sha256 2ad23cc517451f52d7e661bdc1af55f05500380ed7bbbecee73a9747fc81d88d
sha512 9557a19390416bbb90398cf45bbfb306253f9bc85db87a15c5b3ca9d69fb2c288de986bbf0468a21ae0c578f500c9a6e0f97b5cc93e6e0aecaa1ef1f21d584f8
ripemd-160 4b0a77804b9dd85f0a0540fc73007c2b1e3555e4

72186945 as geometric shapes

Circle

Radius = n
Diameter 144373890
Circumference 453563952.19418
Area 1.6370698035512E+16

Sphere

Radius = n
Volume 1.5756675716015E+24
Surface area 6.5482792142048E+16
Circumference 453563952.19418

Square

Length = n
Perimeter 288747780
Area 5210955028433025
Diagonal 102087756.64528

Cube

Length = n
Surface area 31265730170598150
Volume 3.7616292403497E+23
Space diagonal 125031456.38318

Equilateral Triangle

Length = n
Perimeter 216560835
Area 2.2564097163006E+15
Altitude 62515728.19159

Triangular Pyramid

Length = n
Surface area 2.2564097163006E+15
Volume 4.4331225736014E+22
Height 34029252.215094