1990644844 (number)
1990644844 is an even 10-digits composite number following 1990644843 and preceding 1990644845. In scientific notation, it is written as 1.990644844 × 10^9. The sum of its digits is 49. It has a total of 6 prime factors and 48 positive divisors. There are 944925696 positive integers (up to 1990644844) that are relatively prime to 1990644844.
Interesting facts
- 1990644844 has 48 divisors, whose sum is 3665692800
- The reverse of 1990644844 is 4484460991
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 49
- Digital Root 4
Name
Name | one billion nine hundred ninety million six hundred forty-four thousand eight hundred forty-four |
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Notation
Scientific notation | 1.990644844 × 10^9 |
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Engineering notation | 1.990644844 × 10^9 |
Prime Factorization of 1990644844
Prime Factorization 2 × 2 × 37 × 79 × 89 × 1913
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 995322422 | Product of the distinct prime numbers |
The prime factorization of 1990644844 is 2 × 2 × 37 × 79 × 89 × 1913. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1990644844)
Multiplication
n×yn×2 | 3981289688 |
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n×3 | 5971934532 |
n×4 | 7962579376 |
n×5 | 9953224220 |
Division
n÷yn÷2 | 995322422 |
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n÷3 | 663548281.33333 |
n÷3 | 497661211 |
n÷5 | 398128968.8 |
Exponentiation
nyn2 | 3962666894943784336 |
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n3 | 7.8882624229093E+27 |
n4 | 1.5702728920283E+37 |
n5 | 3.1258556361892E+46 |
Nth Root
y√n2√n | 44616.643127873 |
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3√n | 1257.9535192777 |
4√n | 211.22652089137 |
5√n | 72.410034878456 |
Divisors of 1990644844
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 | -1990644843 | 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 1990644844 can be divided by 48 positive divisors. The sum of these divisors (counting 1990644844) is 1, the average is 0.020833333333333.
Base conversion 1990644844
Base | System | Value |
---|---|---|
2 | Binary | 1110110101001101101010001101100 |
3 | Ternary | 12010201202020100211 |
4 | Quaternary | 1312221231101230 |
5 | Quinary | 13034101113334 |
6 | Senary | 525310232204 |
8 | Octal | 16651552154 |
10 | Decimal | 1990644844 |
12 | Duodecimal | 4767b5664 |
16 | Hexadecimal | 76a6d46c |
20 | Vigesimal | 1b21ac24 |
36 | Base36 | wx6fe4 |
Cryptographic Hash Functions
md5 | bcf670897a68696c62e76025504cc878 |
---|---|
sha1 | 8488b28cf05321d2a8a080380fa96f0d64aa1e27 |
sha256 | d8ebcb9a163deb35bc7c8730397cf0f5813b37713873b2f48616703ac2a29104 |
sha512 | ab198709d1d993d8b6fcb6a4443586dd8ef1509c8f2eb1d59878009ab628c372c592d1f545724f5548c8d47f6fbe4bce049d398c4d4d50f4c653c422d81e7a39 |
ripemd-160 | 6c1aa2c5502fd140f7320e6cf67e5fcd64ce29e9 |
1990644844 as geometric shapes
Circle
Radius = nDiameter | 3981289688 |
---|---|
Circumference | 12507590435.634 |
Area | 1.2449085205779E+19 |
Sphere
Radius = nVolume | 3.3042276369867E+28 |
---|---|
Surface area | 4.9796340823115E+19 |
Circumference | 12507590435.634 |
Square
Length = nPerimeter | 7962579376 |
---|---|
Area | 3962666894943784336 |
Diagonal | 2815196936.2529 |
Cube
Length = nSurface area | 2.3776001369663E+19 |
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Volume | 7.8882624229093E+27 |
Space diagonal | 3447898009.633 |
Equilateral Triangle
Length = nPerimeter | 5971934532 |
---|---|
Area | 1.7158850988785E+18 |
Altitude | 1723949004.8165 |
Triangular Pyramid
Length = nSurface area | 1.7158850988785E+18 |
---|---|
Volume | 9.2964064183637E+26 |
Height | 938398978.75096 |