388289968 (number)
388289968 is an even 9-digits composite number following 388289967 and preceding 388289969. In scientific notation, it is written as 3.88289968 × 10^8. The sum of its digits is 61. It has a total of 7 prime factors and 40 positive divisors. There are 176485760 positive integers (up to 388289968) that are relatively prime to 388289968.
Interesting facts
- 388289968 has 40 divisors, whose sum is 827531856
- The reverse of 388289968 is 869982883
- Previous prime number is 121
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 61
- Digital Root 7
Name
Name | three hundred eighty-eight million two hundred eighty-nine thousand nine hundred sixty-eight |
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Notation
Scientific notation | 3.88289968 × 10^8 |
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Engineering notation | 3.88289968 × 10^6 |
Prime Factorization of 388289968
Prime Factorization 2 × 2 × 2 × 2 × 11 × 121 × 18233
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 48536246 | Product of the distinct prime numbers |
The prime factorization of 388289968 is 2 × 2 × 2 × 2 × 11 × 121 × 18233. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388289968)
Multiplication
n×yn×2 | 776579936 |
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n×3 | 1164869904 |
n×4 | 1553159872 |
n×5 | 1941449840 |
Division
n÷yn÷2 | 194144984 |
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n÷3 | 129429989.33333 |
n÷3 | 97072492 |
n÷5 | 77657993.6 |
Exponentiation
nyn2 | 150769099249441024 |
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n3 | 5.8542128722954E+25 |
n4 | 2.2731321288488E+34 |
n5 | 8.8263440157046E+42 |
Nth Root
y√n2√n | 19705.074676337 |
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3√n | 729.54495190694 |
4√n | 140.37476509806 |
5√n | 52.219322630775 |
Divisors of 388289968
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 | -388289967 | 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 388289968 can be divided by 40 positive divisors. The sum of these divisors (counting 388289968) is 1, the average is 0.025.
Base conversion 388289968
Base | System | Value |
---|---|---|
2 | Binary | 10111001001001101010110110000 |
3 | Ternary | 1000001122011200221 |
4 | Quaternary | 113021031112300 |
5 | Quinary | 1243400234333 |
6 | Senary | 102310222424 |
8 | Octal | 2711152660 |
10 | Decimal | 388289968 |
12 | Duodecimal | aa054a14 |
16 | Hexadecimal | 1724d5b0 |
20 | Vigesimal | 616g4i8 |
36 | Base36 | 6f6egg |
Cryptographic Hash Functions
md5 | e6f5b848569bd877b213178964f56223 |
---|---|
sha1 | af1aa17b4a5169f4f6a997ef9d889589fecf9acf |
sha256 | cc80b38533da8526bc02a1bf6e63740bd4b38be3007265d4088d32eb6f639211 |
sha512 | 7ae8af2b0361c58b8a2e54d3ded0326ab0c1aa737d53ee18725dd8dad1edbd07256e3401cd65f9499bf68b5b5be959998ad7fd515992d537181fbb666c7fdc73 |
ripemd-160 | c348daa1f2c55c0fade505251da0afd6b122ffc9 |
388289968 as geometric shapes
Circle
Radius = nDiameter | 776579936 |
---|---|
Circumference | 2439697821.8628 |
Area | 4.7365509459039E+17 |
Sphere
Radius = nVolume | 2.4522069536205E+26 |
---|---|
Surface area | 1.8946203783616E+18 |
Circumference | 2439697821.8628 |
Square
Length = nPerimeter | 1553159872 |
---|---|
Area | 150769099249441024 |
Diagonal | 549124938.87902 |
Cube
Length = nSurface area | 904614595496646144 |
---|---|
Volume | 5.8542128722954E+25 |
Space diagonal | 672537952.64529 |
Equilateral Triangle
Length = nPerimeter | 1164869904 |
---|---|
Area | 6.5284935027857E+16 |
Altitude | 336268976.32265 |
Triangular Pyramid
Length = nSurface area | 6.5284935027857E+16 |
---|---|
Volume | 6.8992560341828E+24 |
Height | 183041646.29301 |