72187428 (number)

72187428 is an even 8-digits composite number following 72187427 and preceding 72187429. In scientific notation, it is written as 7.2187428 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 24062472 positive integers (up to 72187428) that are relatively prime to 72187428.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-seven thousand four hundred twenty-eight

Notation

Scientific notation 7.2187428 × 10^7
Engineering notation 7.2187428 × 10^6

Prime Factorization of 72187428

Prime Factorization 2 × 2 × 3 × 6015619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 36093714
Product of the distinct prime numbers

The prime factorization of 72187428 is 2 × 2 × 3 × 6015619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 86, 2, 84, 614, 9303, 6237, 55705, 83505, 195758, 451217, 9375159, 7128729, 48742715, 39465539, 923543284, 170493642, 4167425187, 5526219122

Basic calculations (n = 72187428)

Multiplication

n×y
n×2 144374856
n×3 216562284
n×4 288749712
n×5 360937140

Division

n÷y
n÷2 36093714
n÷3 24062476
n÷3 18046857
n÷5 14437485.6

Exponentiation

ny
n2 5211024761255184
n3 3.7617047475933E+23
n4 2.7154779062415E+31
n5 1.960233658424E+39

Nth Root

y√n
2√n 8496.318496855
3√n 416.37743881763
4√n 92.175476656511
5√n 37.298581344071

Divisors of 72187428

1, 2, 3, 4, 6, 12, 6015619, 12031238, 18046857, 24062476, 36093714, 72187428

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 -72187427
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 72187428 can be divided by 12 positive divisors. The sum of these divisors (counting 72187428) is 1, the average is 0.083333333333333.

Base conversion 72187428

Base System Value
2 Binary 100010011010111111000100100
3 Ternary 12000211111112110
4 Quaternary 10103113320210
5 Quinary 121434444203
6 Senary 11055121020
8 Octal 423277044
10 Decimal 72187428
12 Duodecimal 20213170
16 Hexadecimal 44d7e24
20 Vigesimal 12b38b8
36 Base36 16z86c

Cryptographic Hash Functions

md5 54611daed99b71b486b031528ff1b348
sha1 609212702248889087c7a922737d4880c467e81e
sha256 c084570ec1485129be188bd93ae92f373602bc5b4ce36b6590fee8382c3b2cd5
sha512 d5651d14c6b6508e0e232da5ce8cba84abb0172cf8f17ec427d06f6e60225b11495c1826e0aa12c89b86d040000029bfc11bd9004426d77bb0f3a41d81a9dc02
ripemd-160 279024d752d99aa945b4523281870d1407b505ce

72187428 as geometric shapes

Circle

Radius = n
Diameter 144374856
Circumference 453566986.97268
Area 1.6370917107634E+16

Sphere

Radius = n
Volume 1.5756992000017E+24
Surface area 6.5483668430535E+16
Circumference 453566986.97268

Square

Length = n
Perimeter 288749712
Area 5211024761255184
Diagonal 102088439.71043

Cube

Length = n
Surface area 31266148567531104
Volume 3.7617047475933E+23
Space diagonal 125032292.96372

Equilateral Triangle

Length = n
Perimeter 216562284
Area 2.2564399114984E+15
Altitude 62516146.48186

Triangular Pyramid

Length = n
Surface area 2.2564399114984E+15
Volume 4.4332115597414E+22
Height 34029479.903477