18720072 (number)

18720072 is an even 8-digits composite number following 18720071 and preceding 18720073. In scientific notation, it is written as 1.8720072 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 5347296 positive integers (up to 18720072) that are relatively prime to 18720072.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred twenty thousand seventy-two

Notation

Scientific notation 1.8720072 × 10^7
Engineering notation 1.8720072 × 10^6

Prime Factorization of 18720072

Prime Factorization 2 × 2 × 2 × 3 × 9 × 7 × 3 × 4127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1560006
Product of the distinct prime numbers

The prime factorization of 18720072 is 2 × 2 × 2 × 3 × 9 × 7 × 3 × 4127. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18720072)

Multiplication

n×y
n×2 37440144
n×3 56160216
n×4 74880288
n×5 93600360

Division

n÷y
n÷2 9360036
n÷3 6240024
n÷3 4680018
n÷5 3744014.4

Exponentiation

ny
n2 350441095685184
n3 6.5602825429855E+21
n4 1.2280896154503E+29
n5 2.2989926023682E+36

Nth Root

y√n
2√n 4326.6698510517
3√n 265.52321926587
4√n 65.777426607095
5√n 28.474853801148

Divisors of 18720072

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18720071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18720072 can be divided by 80 positive divisors. The sum of these divisors (counting 18720072) is 1, the average is 0.0125.

Base conversion 18720072

Base System Value
2 Binary 1000111011010010101001000
3 Ternary 1022020002010000
4 Quaternary 1013122111020
5 Quinary 14243020242
6 Senary 1505123000
8 Octal 107322510
10 Decimal 18720072
12 Duodecimal 6329460
16 Hexadecimal 11da548
20 Vigesimal 5h003c
36 Base36 b58i0

Cryptographic Hash Functions

md5 8bf406975c0461edb3a209f35effdea3
sha1 444f05c7ebd53a3cd9694c74839835d7737aff0c
sha256 a3f1e3ab5ad428c5280ace74fc29e1378beae489ed29264090c624d6d4d550ea
sha512 110032ca0bea75714321abad419f47e37cc8f4e4891313f171c3af1795fb9dbc074af3babe379353fc5fb2cd7f03d23c54f16f6d4196f6388be380de18289151
ripemd-160 399ab09d8820b8b5de6c2d57f34c3764a8133c65

18720072 as geometric shapes

Circle

Radius = n
Diameter 37440144
Circumference 117621681.33974
Area 1.1009431717205E+15

Sphere

Radius = n
Volume 2.7479647256689E+22
Surface area 4.4037726868821E+15
Circumference 117621681.33974

Square

Length = n
Perimeter 74880288
Area 350441095685184
Diagonal 26474179.711001

Cube

Length = n
Surface area 2102646574111104
Volume 6.5602825429855E+21
Space diagonal 32424115.825348

Equilateral Triangle

Length = n
Perimeter 56160216
Area 1.5174544569671E+14
Altitude 16212057.912674

Triangular Pyramid

Length = n
Surface area 1.5174544569671E+14
Volume 7.7313671210747E+20
Height 8824726.5703336