388993820 (number)
388993820 is an even 9-digits composite number following 388993819 and preceding 388993821. In scientific notation, it is written as 3.88993820 × 10^8. The sum of its digits is 50. It has a total of 6 prime factors and 48 positive divisors. There are 149850624 positive integers (up to 388993820) that are relatively prime to 388993820.
Interesting facts
- 388993820 has 48 divisors, whose sum is 847203840
- The reverse of 388993820 is 028399883
- Previous prime number is 617
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 50
- Digital Root 5
Name
Name | three hundred eighty-eight million nine hundred ninety-three thousand eight hundred twenty |
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Notation
Scientific notation | 3.88993820 × 10^8 |
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Engineering notation | 3.88993820 × 10^6 |
Prime Factorization of 388993820
Prime Factorization 2 × 2 × 29 × 5 × 617 × 1087
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 194496910 | Product of the distinct prime numbers |
The prime factorization of 388993820 is 2 × 2 × 29 × 5 × 617 × 1087. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388993820)
Multiplication
n×yn×2 | 777987640 |
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n×3 | 1166981460 |
n×4 | 1555975280 |
n×5 | 1944969100 |
Division
n÷yn÷2 | 194496910 |
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n÷3 | 129664606.66667 |
n÷3 | 97248455 |
n÷5 | 77798764 |
Exponentiation
nyn2 | 151316191998192400 |
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n3 | 5.886106355323E+25 |
n4 | 2.2896589960834E+34 |
n5 | 8.9066319938384E+42 |
Nth Root
y√n2√n | 19722.926253475 |
---|---|
3√n | 729.98550043134 |
4√n | 140.4383361247 |
5√n | 52.238240479091 |
Divisors of 388993820
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 | -388993819 | 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 388993820 can be divided by 48 positive divisors. The sum of these divisors (counting 388993820) is 1, the average is 0.020833333333333.
Base conversion 388993820
Base | System | Value |
---|---|---|
2 | Binary | 10111001011111001001100011100 |
3 | Ternary | 1000002221221012112 |
4 | Quaternary | 113023321030130 |
5 | Quinary | 1244040300240 |
6 | Senary | 102333253152 |
8 | Octal | 2713711434 |
10 | Decimal | 388993820 |
12 | Duodecimal | aa3341b8 |
16 | Hexadecimal | 172f931c |
20 | Vigesimal | 61b44b0 |
36 | Base36 | 6flhjw |
Cryptographic Hash Functions
md5 | 9535c1eb9fbf44f42deaf62e7129fe43 |
---|---|
sha1 | 4ac8a7134fd77ce3fc29e0758f54b456ce66f85d |
sha256 | f8b58d6463696c882384f14f61801215e89ef876ce770854ec3e71d72134e191 |
sha512 | 75015977926786a495d740684b64d9096d37c88bd75c549e44c59ed22a1721b9c432ae276dd95b2b0474e0df4f37af7c81abc8d3a0a4bc9b52bf1d112c5c7e03 |
ripemd-160 | 70b47835b1aaea64e7cd8051531466e7825373e2 |
388993820 as geometric shapes
Circle
Radius = nDiameter | 777987640 |
---|---|
Circumference | 2444120254.4077 |
Area | 4.753738371507E+17 |
Sphere
Radius = nVolume | 2.4655664645508E+26 |
---|---|
Surface area | 1.9014953486028E+18 |
Circumference | 2444120254.4077 |
Square
Length = nPerimeter | 1555975280 |
---|---|
Area | 151316191998192400 |
Diagonal | 550120335.92332 |
Cube
Length = nSurface area | 907897151989154400 |
---|---|
Volume | 5.886106355323E+25 |
Space diagonal | 673757060.0703 |
Equilateral Triangle
Length = nPerimeter | 1166981460 |
---|---|
Area | 6.5521833137179E+16 |
Altitude | 336878530.03515 |
Triangular Pyramid
Length = nSurface area | 6.5521833137179E+16 |
---|---|
Volume | 6.9368428643902E+24 |
Height | 183373445.30777 |