388542816 (number)
388542816 is an even 9-digits composite number following 388542815 and preceding 388542817. In scientific notation, it is written as 3.88542816 × 10^8. The sum of its digits is 45. It has a total of 8 prime factors and 48 positive divisors. There are 128357376 positive integers (up to 388542816) that are relatively prime to 388542816.
Interesting facts
- 388542816 has 48 divisors, whose sum is 857530800
- The reverse of 388542816 is 618245883
- Previous prime number is 11939
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 45
- Digital Root 9
Name
Name | three hundred eighty-eight million five hundred forty-two thousand eight hundred sixteen |
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Notation
Scientific notation | 3.88542816 × 10^8 |
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Engineering notation | 3.88542816 × 10^6 |
Prime Factorization of 388542816
Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 11939 × 113
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 24283926 | Product of the distinct prime numbers |
The prime factorization of 388542816 is 2 × 2 × 2 × 2 × 2 × 9 × 11939 × 113. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388542816)
Multiplication
n×yn×2 | 777085632 |
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n×3 | 1165628448 |
n×4 | 1554171264 |
n×5 | 1942714080 |
Division
n÷yn÷2 | 194271408 |
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n÷3 | 129514272 |
n÷3 | 97135704 |
n÷5 | 77708563.2 |
Exponentiation
nyn2 | 150965519865209856 |
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n3 | 5.8656568207333E+25 |
n4 | 2.2790588188173E+34 |
n5 | 8.8551193129291E+42 |
Nth Root
y√n2√n | 19711.48944144 |
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3√n | 729.7032734121 |
4√n | 140.39761195063 |
5√n | 52.226121731728 |
Divisors of 388542816
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 | -388542815 | 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 388542816 can be divided by 48 positive divisors. The sum of these divisors (counting 388542816) is 1, the average is 0.020833333333333.
Base conversion 388542816
Base | System | Value |
---|---|---|
2 | Binary | 10111001010001011000101100000 |
3 | Ternary | 1000002010000112200 |
4 | Quaternary | 113022023011200 |
5 | Quinary | 1243431332231 |
6 | Senary | 102315453200 |
8 | Octal | 2712130540 |
10 | Decimal | 388542816 |
12 | Duodecimal | aa157200 |
16 | Hexadecimal | 1728b160 |
20 | Vigesimal | 6187h0g |
36 | Base36 | 6fbtk0 |
Cryptographic Hash Functions
md5 | 2bc568fa0008f9c70f4312c967e3078c |
---|---|
sha1 | cd5825164bff409a6585be621db9da19533de094 |
sha256 | 7c97d4fb7dc29a2fea49506fee78a7f73dfe71433aded175b115652da7feb910 |
sha512 | c1b3a751e2f0d87af1e8939d23ced753efc874dc9b4fde96adbd663266e585caf34d95d65de5351a9f3fc761a49990fc4f1f4a6666f933476b90fc54f2a701c2 |
ripemd-160 | 510dd9c43cf0af901cf971a09e6cf3a4b5b424bb |
388542816 as geometric shapes
Circle
Radius = nDiameter | 777085632 |
---|---|
Circumference | 2441286512.7014 |
Area | 4.7427216815391E+17 |
Sphere
Radius = nVolume | 2.4570005835326E+26 |
---|---|
Surface area | 1.8970886726156E+18 |
Circumference | 2441286512.7014 |
Square
Length = nPerimeter | 1554171264 |
---|---|
Area | 150965519865209856 |
Diagonal | 549482519.94983 |
Cube
Length = nSurface area | 905793119191259136 |
---|---|
Volume | 5.8656568207333E+25 |
Space diagonal | 672975898.22789 |
Equilateral Triangle
Length = nPerimeter | 1165628448 |
---|---|
Area | 6.5369987649398E+16 |
Altitude | 336487949.11394 |
Triangular Pyramid
Length = nSurface area | 6.5369987649398E+16 |
---|---|
Volume | 6.912742856756E+24 |
Height | 183160839.98328 |