1211389990 (number)
1211389990 is an even 10-digits composite number following 1211389989 and preceding 1211389991. In scientific notation, it is written as 1.211389990 × 10^9. The sum of its digits is 43. It has a total of 6 prime factors and 64 positive divisors. There are 448474752 positive integers (up to 1211389990) that are relatively prime to 1211389990.
Interesting facts
- 1211389990 has 64 divisors, whose sum is 2349720576
- The reverse of 1211389990 is 0999831121
- Previous prime number is 283
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 43
- Digital Root 7
Name
Name | one billion two hundred eleven million three hundred eighty-nine thousand nine hundred ninety |
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Notation
Scientific notation | 1.211389990 × 10^9 |
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Engineering notation | 1.211389990 × 10^9 |
Prime Factorization of 1211389990
Prime Factorization 2 × 5 × 37 × 23 × 283 × 503
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 1211389990 | Product of the distinct prime numbers |
The prime factorization of 1211389990 is 2 × 5 × 37 × 23 × 283 × 503. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1211389990)
Multiplication
n×yn×2 | 2422779980 |
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n×3 | 3634169970 |
n×4 | 4845559960 |
n×5 | 6056949950 |
Division
n÷yn÷2 | 605694995 |
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n÷3 | 403796663.33333 |
n÷3 | 302847497.5 |
n÷5 | 242277998 |
Exponentiation
nyn2 | 1467465707872200100 |
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n3 | 1.7776732691846E+27 |
n4 | 2.1534556037809E+36 |
n5 | 2.6086745623295E+45 |
Nth Root
y√n2√n | 34805.028228691 |
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3√n | 1066.010118212 |
4√n | 186.56105764251 |
5√n | 65.562694832736 |
Divisors of 1211389990
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -1211389989 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1211389990 can be divided by 64 positive divisors. The sum of these divisors (counting 1211389990) is 1, the average is 0.015625.
Base conversion 1211389990
Base | System | Value |
---|---|---|
2 | Binary | 1001000001101000101100000100110 |
3 | Ternary | 10010102102222122221 |
4 | Quaternary | 1020031011200212 |
5 | Quinary | 4440103434430 |
6 | Senary | 320112142554 |
8 | Octal | 11015054046 |
10 | Decimal | 1211389990 |
12 | Duodecimal | 299837a5a |
16 | Hexadecimal | 48345826 |
20 | Vigesimal | iib3eja |
36 | Base36 | k18ahy |
Cryptographic Hash Functions
md5 | 8a25b479ae82487601f2b145ee41cf8a |
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sha1 | 84026376d9780474ce16ec557001b00ce00f0ba3 |
sha256 | 7b29fcab5f76de8b4bf31bfa09e218770794651d0083d7d1a620553147edf270 |
sha512 | 8284719bdbd066983158072bcccd0e9cb946dacda7d98f9d46763ebf0e823792c5b7233137d4fb11265072d4396371a3cb422b776431c5666cbc0e6a9446fb60 |
ripemd-160 | 4c4a923b456d9d19c96dc2513e91efbd29814c85 |
1211389990 as geometric shapes
Circle
Radius = nDiameter | 2422779980 |
---|---|
Circumference | 7611387786.4324 |
Area | 4.6101794872462E+18 |
Sphere
Radius = nVolume | 7.4463003772713E+27 |
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Surface area | 1.8440717948985E+19 |
Circumference | 7611387786.4324 |
Square
Length = nPerimeter | 4845559960 |
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Area | 1467465707872200100 |
Diagonal | 1713164153.181 |
Cube
Length = nSurface area | 8804794247233200600 |
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Volume | 1.7776732691846E+27 |
Space diagonal | 2098189010.4604 |
Equilateral Triangle
Length = nPerimeter | 3634169970 |
---|---|
Area | 6.3543129109992E+17 |
Altitude | 1049094505.2302 |
Triangular Pyramid
Length = nSurface area | 6.3543129109992E+17 |
---|---|
Volume | 2.0950080389575E+26 |
Height | 571054717.727 |