1388402768 (number)
1388402768 is an even 10-digits composite number following 1388402767 and preceding 1388402769. In scientific notation, it is written as 1.388402768 × 10^9. The sum of its digits is 47. It has a total of 7 prime factors and 40 positive divisors. There are 682186752 positive integers (up to 1388402768) that are relatively prime to 1388402768.
Interesting facts
- 1388402768 has 40 divisors, whose sum is 2736861288
- The reverse of 1388402768 is 8672048831
- Previous prime number is 293
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 47
- Digital Root 2
Name
Name | one billion three hundred eighty-eight million four hundred two thousand seven hundred sixty-eight |
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Notation
Scientific notation | 1.388402768 × 10^9 |
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Engineering notation | 1.388402768 × 10^9 |
Prime Factorization of 1388402768
Prime Factorization 2 × 2 × 2 × 2 × 73 × 293 × 4057
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 173550346 | Product of the distinct prime numbers |
The prime factorization of 1388402768 is 2 × 2 × 2 × 2 × 73 × 293 × 4057. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1388402768)
Multiplication
n×yn×2 | 2776805536 |
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n×3 | 4165208304 |
n×4 | 5553611072 |
n×5 | 6942013840 |
Division
n÷yn÷2 | 694201384 |
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n÷3 | 462800922.66667 |
n÷3 | 347100692 |
n÷5 | 277680553.6 |
Exponentiation
nyn2 | 1927662246190061824 |
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n3 | 2.6763715983794E+27 |
n4 | 3.7158817353865E+36 |
n5 | 5.1591404869713E+45 |
Nth Root
y√n2√n | 37261.277058093 |
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3√n | 1115.5913981442 |
4√n | 193.03180322966 |
5√n | 67.37566956888 |
Divisors of 1388402768
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -1388402767 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1388402768 can be divided by 40 positive divisors. The sum of these divisors (counting 1388402768) is 1, the average is 0.025.
Base conversion 1388402768
Base | System | Value |
---|---|---|
2 | Binary | 1010010110000010101100001010000 |
3 | Ternary | 10120202112011112202 |
4 | Quaternary | 1102300111201100 |
5 | Quinary | 10320412342033 |
6 | Senary | 345434142332 |
8 | Octal | 12260254120 |
10 | Decimal | 1388402768 |
12 | Duodecimal | 328b819a8 |
16 | Hexadecimal | 52c15850 |
20 | Vigesimal | 11dha6i8 |
36 | Base36 | mymafk |
Cryptographic Hash Functions
md5 | 510d325060caa86ae3b5d1f14c232fe5 |
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sha1 | d80b0d311529636d3444e98eecbac69650a999d4 |
sha256 | d72e6517df8ce63d1b3e3610fce7daaad689f85e334c48733cfaae6fbb5497ec |
sha512 | 77d3d2929ef59462d62188b01b2ae7f0e26a23cd9ef5f14c2d900af6e13eddb0d4381027a665faf6f72ce3ff920eecc97be20a52bb2f46c7eab15d760768471d |
ripemd-160 | 5334900f3e4418e8923bed30e81377e221769a08 |
1388402768 as geometric shapes
Circle
Radius = nDiameter | 2776805536 |
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Circumference | 8723591872.3451 |
Area | 6.0559295512331E+18 |
Sphere
Radius = nVolume | 1.121075913566E+28 |
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Surface area | 2.4223718204932E+19 |
Circumference | 8723591872.3451 |
Square
Length = nPerimeter | 5553611072 |
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Area | 1927662246190061824 |
Diagonal | 1963498024.5419 |
Cube
Length = nSurface area | 1.156597347714E+19 |
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Volume | 2.6763715983794E+27 |
Space diagonal | 2404784135.5453 |
Equilateral Triangle
Length = nPerimeter | 4165208304 |
---|---|
Area | 8.3470223755838E+17 |
Altitude | 1202392067.7726 |
Triangular Pyramid
Length = nSurface area | 8.3470223755838E+17 |
---|---|
Volume | 3.1541341769819E+26 |
Height | 654499341.51398 |