1990494756 (number)
1990494756 is an even 10-digits composite number following 1990494755 and preceding 1990494757. In scientific notation, it is written as 1.990494756 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 48 positive divisors. There are 663163200 positive integers (up to 1990494756) that are relatively prime to 1990494756.
Interesting facts
- 1990494756 has 48 divisors, whose sum is 5163148480
- The reverse of 1990494756 is 6574940991
- Previous prime number is 2857
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 54
- Digital Root 9
Name
Name | one billion nine hundred ninety million four hundred ninety-four thousand seven hundred fifty-six |
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Notation
Scientific notation | 1.990494756 × 10^9 |
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Engineering notation | 1.990494756 × 10^9 |
Prime Factorization of 1990494756
Prime Factorization 2 × 2 × 3 × 9 × 2857 × 6451
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 995247378 | Product of the distinct prime numbers |
The prime factorization of 1990494756 is 2 × 2 × 3 × 9 × 2857 × 6451. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1990494756)
Multiplication
n×yn×2 | 3980989512 |
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n×3 | 5971484268 |
n×4 | 7961979024 |
n×5 | 9952473780 |
Division
n÷yn÷2 | 995247378 |
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n÷3 | 663498252 |
n÷3 | 497623689 |
n÷5 | 398098951.2 |
Exponentiation
nyn2 | 3962069373663499536 |
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n3 | 7.8864783111854E+27 |
n4 | 1.5697993721722E+37 |
n5 | 3.1246774182809E+46 |
Nth Root
y√n2√n | 44614.961122924 |
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3√n | 1257.9219033127 |
4√n | 211.22253933452 |
5√n | 72.408942950368 |
Divisors of 1990494756
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -1990494755 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1990494756 can be divided by 48 positive divisors. The sum of these divisors (counting 1990494756) is 1, the average is 0.020833333333333.
Base conversion 1990494756
Base | System | Value |
---|---|---|
2 | Binary | 1110110101001001000101000100100 |
3 | Ternary | 12010201110121111000 |
4 | Quaternary | 1312221020220210 |
5 | Quinary | 13034031313011 |
6 | Senary | 525303113300 |
8 | Octal | 16651105044 |
10 | Decimal | 1990494756 |
12 | Duodecimal | 476742830 |
16 | Hexadecimal | 76a48a24 |
20 | Vigesimal | 1b20bghg |
36 | Base36 | wx37l0 |
Cryptographic Hash Functions
md5 | 72004282ef5240979a814759fe1f4762 |
---|---|
sha1 | 65f2611d5a9e94511da52a638725938527d409d8 |
sha256 | 2feb53ce20df2a0c9aac10c3429a87f162292893594c0fc2665212a12e832719 |
sha512 | 1815b88265ef554ad38f9f38c127380c6c153aa2ed17625cd7fabad11a707806cc45519b928ab78da4dcb79ef6475ea5fed8a67ec527aad71959fe0a764de74a |
ripemd-160 | 449ea7ce34a3d24926f4bc2862740b849959a83a |
1990494756 as geometric shapes
Circle
Radius = nDiameter | 3980989512 |
---|---|
Circumference | 12506647404.917 |
Area | 1.2447208037314E+19 |
Sphere
Radius = nVolume | 3.3034803100154E+28 |
---|---|
Surface area | 4.9788832149257E+19 |
Circumference | 12506647404.917 |
Square
Length = nPerimeter | 7961979024 |
---|---|
Area | 3962069373663499536 |
Diagonal | 2814984679.7677 |
Cube
Length = nSurface area | 2.3772416241981E+19 |
---|---|
Volume | 7.8864783111854E+27 |
Space diagonal | 3447638049.5914 |
Equilateral Triangle
Length = nPerimeter | 5971484268 |
---|---|
Area | 1.7156263645744E+18 |
Altitude | 1723819024.7957 |
Triangular Pyramid
Length = nSurface area | 1.7156263645744E+18 |
---|---|
Volume | 9.294303822533E+26 |
Height | 938328226.58924 |