1998492768 (number)
1998492768 is an even 10-digits composite number following 1998492767 and preceding 1998492769. In scientific notation, it is written as 1.998492768 × 10^9. The sum of its digits is 63. It has a total of 8 prime factors and 48 positive divisors. There are 650668032 positive integers (up to 1998492768) that are relatively prime to 1998492768.
Interesting facts
- 1998492768 has 48 divisors, whose sum is 4473398160
- The reverse of 1998492768 is 8672948991
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 63
- Digital Root 9
Name
Name | one billion nine hundred ninety-eight million four hundred ninety-two thousand seven hundred sixty-eight |
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Notation
Scientific notation | 1.998492768 × 10^9 |
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Engineering notation | 1.998492768 × 10^9 |
Prime Factorization of 1998492768
Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 43 × 161377
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 124905798 | Product of the distinct prime numbers |
The prime factorization of 1998492768 is 2 × 2 × 2 × 2 × 2 × 9 × 43 × 161377. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1998492768)
Multiplication
n×yn×2 | 3996985536 |
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n×3 | 5995478304 |
n×4 | 7993971072 |
n×5 | 9992463840 |
Division
n÷yn÷2 | 999246384 |
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n÷3 | 666164256 |
n÷3 | 499623192 |
n÷5 | 399698553.6 |
Exponentiation
nyn2 | 3993973343748301824 |
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n3 | 7.9819268430658E+27 |
n4 | 1.5951823070572E+37 |
n5 | 3.1879603042954E+46 |
Nth Root
y√n2√n | 44704.505007885 |
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3√n | 1259.604471468 |
4√n | 211.4343988283 |
5√n | 72.467038962225 |
Divisors of 1998492768
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 | -1998492767 | 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 1998492768 can be divided by 48 positive divisors. The sum of these divisors (counting 1998492768) is 1, the average is 0.020833333333333.
Base conversion 1998492768
Base | System | Value |
---|---|---|
2 | Binary | 1110111000111101001010001100000 |
3 | Ternary | 12011021111221200200 |
4 | Quaternary | 1313013221101200 |
5 | Quinary | 13043103232033 |
6 | Senary | 530150345200 |
8 | Octal | 16707512140 |
10 | Decimal | 1998492768 |
12 | Duodecimal | 47935b200 |
16 | Hexadecimal | 771e9460 |
20 | Vigesimal | 1b4abbi8 |
36 | Base36 | x1umw0 |
Cryptographic Hash Functions
md5 | db4ba0b2966f1ddfaefe4b06fe93dcc4 |
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sha1 | c0e37435514d31e78974c72e399a8bd46158dbbe |
sha256 | 5db028e76a43a20722fd3da48161fce9aa9acdb7d6572fc8cc2862f6e090ff51 |
sha512 | 321ee6395c7792783b1f585419ac5f023a18c3861010f7d6b7b246497dbf88e0fc40eddc8c39d953b53f1e970defce3fb9cfc26313164294c3b1360058f640dc |
ripemd-160 | 3b80d56be56ebc7667085d4a5c6a762e9d8e64ca |
1998492768 as geometric shapes
Circle
Radius = nDiameter | 3996985536 |
---|---|
Circumference | 12556900396.402 |
Area | 1.2547437315353E+19 |
Sphere
Radius = nVolume | 3.3434616975555E+28 |
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Surface area | 5.0189749261413E+19 |
Circumference | 12556900396.402 |
Square
Length = nPerimeter | 7993971072 |
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Area | 3993973343748301824 |
Diagonal | 2826295576.8101 |
Cube
Length = nSurface area | 2.396384006249E+19 |
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Volume | 7.9819268430658E+27 |
Space diagonal | 3461491012.735 |
Equilateral Triangle
Length = nPerimeter | 5995478304 |
---|---|
Area | 1.729441188862E+18 |
Altitude | 1730745506.3675 |
Triangular Pyramid
Length = nSurface area | 1.729441188862E+18 |
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Volume | 9.4067909961112E+26 |
Height | 942098525.60338 |