1289920 (number)
1289920 is an even 7-digits composite number following 1289919 and preceding 1289921. In scientific notation, it is written as 1.289920 × 10^6. The sum of its digits is 31. It has a total of 9 prime factors and 56 positive divisors. There are 494592 positive integers (up to 1289920) that are relatively prime to 1289920.
Interesting facts
- 1289920 has 56 divisors, whose sum is 3200400
- The reverse of 1289920 is 0299821
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 31
- Digital Root 4
Name
Name | one million two hundred eighty-nine thousand nine hundred twenty |
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Notation
Scientific notation | 1.289920 × 10^6 |
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Engineering notation | 1.289920 × 10^6 |
Prime Factorization of 1289920
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 139
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 40310 | Product of the distinct prime numbers |
The prime factorization of 1289920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 139. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1289920)
Multiplication
n×yn×2 | 2579840 |
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n×3 | 3869760 |
n×4 | 5159680 |
n×5 | 6449600 |
Division
n÷yn÷2 | 644960 |
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n÷3 | 429973.33333333 |
n÷3 | 322480 |
n÷5 | 257984 |
Exponentiation
nyn2 | 1663893606400 |
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n3 | 2146289640767488000 |
n4 | 2.7685419334188E+24 |
n5 | 3.5711976107556E+30 |
Nth Root
y√n2√n | 1135.7464505778 |
---|---|
3√n | 108.85647298925 |
4√n | 33.700837535257 |
5√n | 16.676793659136 |
Divisors of 1289920
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -1289919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1289920 can be divided by 56 positive divisors. The sum of these divisors (counting 1289920) is 1, the average is 0.017857142857143.
Base conversion 1289920
Base | System | Value |
---|---|---|
2 | Binary | 100111010111011000000 |
3 | Ternary | 2102112102211 |
4 | Quaternary | 10322323000 |
5 | Quinary | 312234140 |
6 | Senary | 43351504 |
8 | Octal | 4727300 |
10 | Decimal | 1289920 |
12 | Duodecimal | 522594 |
16 | Hexadecimal | 13aec0 |
20 | Vigesimal | 814g0 |
36 | Base36 | rnb4 |
Cryptographic Hash Functions
md5 | ddbc3d9de924bc292a7188f6b3f0cca1 |
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sha1 | 613fb91ba1f29a132fac39df456ddd43e398e245 |
sha256 | 806fa4c0d34a5de45cfd86949e3921a377c2cc4dc7d382ffe175c84e2dc3f7d8 |
sha512 | 362b40266411b650b713165f8b00bb7ef230481a62daacd32c0527f4f5bc2f46f0c3d59ab063ea3cc7cb10eb53455704bfe9d8d23d4bbc17dba0ae0de23e24d3 |
ripemd-160 | 12cb2f9d26d5ee5c8592cd00a3f3af4a6c719c2b |
1289920 as geometric shapes
Circle
Radius = nDiameter | 2579840 |
---|---|
Circumference | 8104806.3914371 |
Area | 5227275930221.3 |
Sphere
Radius = nVolume | 8.9903570238814E+18 |
---|---|
Surface area | 20909103720885 |
Circumference | 8104806.3914371 |
Square
Length = nPerimeter | 5159680 |
---|---|
Area | 1663893606400 |
Diagonal | 1824222.3583763 |
Cube
Length = nSurface area | 9983361638400 |
---|---|
Volume | 2146289640767488000 |
Space diagonal | 2234206.9776992 |
Equilateral Triangle
Length = nPerimeter | 3869760 |
---|---|
Area | 720487066168.45 |
Altitude | 1117103.4888496 |
Triangular Pyramid
Length = nSurface area | 720487066168.45 |
---|---|
Volume | 2.5294265989619E+17 |
Height | 608074.11945877 |