31128468 (number)
31128468 is an even 8-digits composite number following 31128467 and preceding 31128469. In scientific notation, it is written as 3.1128468 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 8759520 positive integers (up to 31128468) that are relatively prime to 31128468.
Interesting facts
- 31128468 has 48 divisors, whose sum is 84263424
- The reverse of 31128468 is 86482113
- Previous prime number is 67
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | thirty-one million one hundred twenty-eight thousand four hundred sixty-eight |
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Notation
Scientific notation | 3.1128468 × 10^7 |
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Engineering notation | 3.1128468 × 10^6 |
Prime Factorization of 31128468
Prime Factorization 2 × 2 × 3 × 7 × 67 × 5531
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 15564234 | Product of the distinct prime numbers |
The prime factorization of 31128468 is 2 × 2 × 3 × 7 × 67 × 5531. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31128468)
Multiplication
n×yn×2 | 62256936 |
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n×3 | 93385404 |
n×4 | 124513872 |
n×5 | 155642340 |
Division
n÷yn÷2 | 15564234 |
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n÷3 | 10376156 |
n÷3 | 7782117 |
n÷5 | 6225693.6 |
Exponentiation
nyn2 | 968981520027024 |
---|---|
n3 | 3.0162910238753E+22 |
n4 | 9.3892518615388E+29 |
n5 | 2.9227302611585E+37 |
Nth Root
y√n2√n | 5579.28920204 |
---|---|
3√n | 314.57141006907 |
4√n | 74.694639714239 |
5√n | 31.523290880463 |
Divisors of 31128468
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 | -31128467 | 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 31128468 can be divided by 48 positive divisors. The sum of these divisors (counting 31128468) is 1, the average is 0.020833333333333.
Base conversion 31128468
Base | System | Value |
---|---|---|
2 | Binary | 1110110101111101110010100 |
3 | Ternary | 2011120111020020 |
4 | Quaternary | 1312233232110 |
5 | Quinary | 30432102333 |
6 | Senary | 3031105140 |
8 | Octal | 166575624 |
10 | Decimal | 31128468 |
12 | Duodecimal | a5121b0 |
16 | Hexadecimal | 1dafb94 |
20 | Vigesimal | 9eb138 |
36 | Base36 | ij6vo |
Cryptographic Hash Functions
md5 | 713fb8374fd8d60567d2a2200a362954 |
---|---|
sha1 | 9b5528d123cdd214453f37d8b789ad462752abd3 |
sha256 | cdb42c0d1df3751402707d2e308e0a9c023f43dc83cd4a2e7aade3e78b8cc82c |
sha512 | 747e366cee0f59236485317d875a01b3f6f401595964e940f2c1c591ffd1fb8c2194147d99d809c5f22b27e0ad874168a673c5df0cd0e9c440f356a7b88b740e |
ripemd-160 | 7b1b3ae9d7fafb0620a3ce3010baef27fc5809d0 |
31128468 as geometric shapes
Circle
Radius = nDiameter | 62256936 |
---|---|
Circumference | 195585932.77261 |
Area | 3.0441452247812E+15 |
Sphere
Radius = nVolume | 1.2634610295594E+23 |
---|---|
Surface area | 1.2176580899125E+16 |
Circumference | 195585932.77261 |
Square
Length = nPerimeter | 124513872 |
---|---|
Area | 968981520027024 |
Diagonal | 44022301.621497 |
Cube
Length = nSurface area | 5813889120162144 |
---|---|
Volume | 3.0162910238753E+22 |
Space diagonal | 53916088.137782 |
Equilateral Triangle
Length = nPerimeter | 93385404 |
---|---|
Area | 4.1958130607053E+14 |
Altitude | 26958044.068891 |
Triangular Pyramid
Length = nSurface area | 4.1958130607053E+14 |
---|---|
Volume | 3.5547330616905E+21 |
Height | 14674100.540499 |