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
- 18720072 has 80 divisors, whose sum is 59938560
- The reverse of 18720072 is 27002781
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | eighteen million seven hundred twenty thousand seventy-two |
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Notation
Scientific notation | 1.8720072 × 10^7 |
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Engineering notation | 1.8720072 × 10^6 |
Prime Factorization of 18720072
Prime Factorization 2 × 2 × 2 × 3 × 9 × 7 × 3 × 4127
Composite numberω | 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×yn×2 | 37440144 |
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n×3 | 56160216 |
n×4 | 74880288 |
n×5 | 93600360 |
Division
n÷yn÷2 | 9360036 |
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n÷3 | 6240024 |
n÷3 | 4680018 |
n÷5 | 3744014.4 |
Exponentiation
nyn2 | 350441095685184 |
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n3 | 6.5602825429855E+21 |
n4 | 1.2280896154503E+29 |
n5 | 2.2989926023682E+36 |
Nth Root
y√n2√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 |
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sha1 | 444f05c7ebd53a3cd9694c74839835d7737aff0c |
sha256 | a3f1e3ab5ad428c5280ace74fc29e1378beae489ed29264090c624d6d4d550ea |
sha512 | 110032ca0bea75714321abad419f47e37cc8f4e4891313f171c3af1795fb9dbc074af3babe379353fc5fb2cd7f03d23c54f16f6d4196f6388be380de18289151 |
ripemd-160 | 399ab09d8820b8b5de6c2d57f34c3764a8133c65 |
18720072 as geometric shapes
Circle
Radius = nDiameter | 37440144 |
---|---|
Circumference | 117621681.33974 |
Area | 1.1009431717205E+15 |
Sphere
Radius = nVolume | 2.7479647256689E+22 |
---|---|
Surface area | 4.4037726868821E+15 |
Circumference | 117621681.33974 |
Square
Length = nPerimeter | 74880288 |
---|---|
Area | 350441095685184 |
Diagonal | 26474179.711001 |
Cube
Length = nSurface area | 2102646574111104 |
---|---|
Volume | 6.5602825429855E+21 |
Space diagonal | 32424115.825348 |
Equilateral Triangle
Length = nPerimeter | 56160216 |
---|---|
Area | 1.5174544569671E+14 |
Altitude | 16212057.912674 |
Triangular Pyramid
Length = nSurface area | 1.5174544569671E+14 |
---|---|
Volume | 7.7313671210747E+20 |
Height | 8824726.5703336 |