12897500 (number)
12897500 is an even 8-digits composite number following 12897499 and preceding 12897501. In scientific notation, it is written as 1.2897500 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 72 positive divisors. There are 3960000 positive integers (up to 12897500) that are relatively prime to 12897500.
Interesting facts
- 12897500 has 72 divisors, whose sum is 32581248
- The reverse of 12897500 is 00579821
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 32
- Digital Root 5
Name
Name | twelve million eight hundred ninety-seven thousand five hundred |
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Notation
Scientific notation | 1.2897500 × 10^7 |
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Engineering notation | 1.2897500 × 10^6 |
Prime Factorization of 12897500
Prime Factorization 2 × 2 × 7 × 275 × 5 × 5 × 67
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 1289750 | Product of the distinct prime numbers |
The prime factorization of 12897500 is 2 × 2 × 7 × 275 × 5 × 5 × 67. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12897500)
Multiplication
n×yn×2 | 25795000 |
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n×3 | 38692500 |
n×4 | 51590000 |
n×5 | 64487500 |
Division
n÷yn÷2 | 6448750 |
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n÷3 | 4299166.6666667 |
n÷3 | 3224375 |
n÷5 | 2579500 |
Exponentiation
nyn2 | 166345506250000 |
---|---|
n3 | 2.1454411668594E+21 |
n4 | 2.7670827449569E+28 |
n5 | 3.5688449703081E+35 |
Nth Root
y√n2√n | 3591.3089535711 |
---|---|
3√n | 234.51385845603 |
4√n | 59.927530848276 |
5√n | 26.430240033169 |
Divisors of 12897500
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -12897499 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12897500 can be divided by 72 positive divisors. The sum of these divisors (counting 12897500) is 1, the average is 0.013888888888889.
Base conversion 12897500
Base | System | Value |
---|---|---|
2 | Binary | 110001001100110011011100 |
3 | Ternary | 220021021001012 |
4 | Quaternary | 301030303130 |
5 | Quinary | 11300210000 |
6 | Senary | 1140234352 |
8 | Octal | 61146334 |
10 | Decimal | 12897500 |
12 | Duodecimal | 439b9b8 |
16 | Hexadecimal | c4ccdc |
20 | Vigesimal | 40c3f0 |
36 | Base36 | 7ofrw |
Cryptographic Hash Functions
md5 | 4554c2c9accf2829b5200dc2451e5131 |
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sha1 | 07c18e1411df94248e4a02fd74ef369cc9192674 |
sha256 | 4f760c7a276258e0c24948d4df44533a671475452b816a08c14dd773bbbb085b |
sha512 | e3d7c6bfb7c0df881ab51120fb7ec6c158e792d1b60cc529edfec902141fb17017363ba5274e27a0cabdaba2945e35adce8c304455c1832bfff4a9ebae42d9a1 |
ripemd-160 | ba4e91a8e4f2b84d7d4ec0e0447472c0ecc7908c |
12897500 as geometric shapes
Circle
Radius = nDiameter | 25795000 |
---|---|
Circumference | 81037382.499349 |
Area | 5.2258982039268E+14 |
Sphere
Radius = nVolume | 8.986802944686E+21 |
---|---|
Surface area | 2.0903592815707E+15 |
Circumference | 81037382.499349 |
Square
Length = nPerimeter | 51590000 |
---|---|
Area | 166345506250000 |
Diagonal | 18239819.420707 |
Cube
Length = nSurface area | 998073037500000 |
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Volume | 2.1454411668594E+21 |
Space diagonal | 22339125.29062 |
Equilateral Triangle
Length = nPerimeter | 38692500 |
---|---|
Area | 72029717108942 |
Altitude | 11169562.64531 |
Triangular Pyramid
Length = nSurface area | 72029717108942 |
---|---|
Volume | 2.5284266628717E+20 |
Height | 6079939.8069023 |