388681640 (number)
388681640 is an even 9-digits composite number following 388681639 and preceding 388681641. In scientific notation, it is written as 3.88681640 × 10^8. The sum of its digits is 44. It has a total of 7 prime factors and 64 positive divisors. There are 151022080 positive integers (up to 388681640) that are relatively prime to 388681640.
Interesting facts
- 388681640 has 64 divisors, whose sum is 899760960
- The reverse of 388681640 is 046186883
- Previous prime number is 347
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 44
- Digital Root 8
Name
Name | three hundred eighty-eight million six hundred eighty-one thousand six hundred forty |
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Notation
Scientific notation | 3.88681640 × 10^8 |
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Engineering notation | 3.88681640 × 10^6 |
Prime Factorization of 388681640
Prime Factorization 2 × 2 × 2 × 5 × 41 × 347 × 683
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 97170410 | Product of the distinct prime numbers |
The prime factorization of 388681640 is 2 × 2 × 2 × 5 × 41 × 347 × 683. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388681640)
Multiplication
n×yn×2 | 777363280 |
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n×3 | 1166044920 |
n×4 | 1554726560 |
n×5 | 1943408200 |
Division
n÷yn÷2 | 194340820 |
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n÷3 | 129560546.66667 |
n÷3 | 97170410 |
n÷5 | 77736328 |
Exponentiation
nyn2 | 151073417273089600 |
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n3 | 5.8719463586109E+25 |
n4 | 2.2823177406569E+34 |
n5 | 8.8709500243962E+42 |
Nth Root
y√n2√n | 19715.010524978 |
---|---|
3√n | 729.79016925368 |
4√n | 140.41015107526 |
5√n | 52.229853214005 |
Divisors of 388681640
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -388681639 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 388681640 can be divided by 64 positive divisors. The sum of these divisors (counting 388681640) is 1, the average is 0.015625.
Base conversion 388681640
Base | System | Value |
---|---|---|
2 | Binary | 10111001010101100111110101000 |
3 | Ternary | 1000002101001222022 |
4 | Quaternary | 113022230332220 |
5 | Quinary | 1244000303030 |
6 | Senary | 102322444012 |
8 | Octal | 2712547650 |
10 | Decimal | 388681640 |
12 | Duodecimal | aa203608 |
16 | Hexadecimal | 172acfa8 |
20 | Vigesimal | 6195420 |
36 | Base36 | 6feso8 |
Cryptographic Hash Functions
md5 | b362c8b0e8bef4aea2f75293aed5ac08 |
---|---|
sha1 | 935ad80f435756cc77edae114539e729a1adf708 |
sha256 | 829e99e7d10adbb7b5655d286b4d40d8f45b126d71f684c8cd01d6605f11e289 |
sha512 | a6d6191aa3d6e630ea67c712900406fa5fb4f9080d336e690e3e7566974139b9e4ed8613c0c3a03e49c9a357ab30ec240bd99c197c58317edd22d35aa8c29398 |
ripemd-160 | a4f92fa3458a82920b75ac6aa174805e06f04c3b |
388681640 as geometric shapes
Circle
Radius = nDiameter | 777363280 |
---|---|
Circumference | 2442158769.6185 |
Area | 4.7461113785784E+17 |
Sphere
Radius = nVolume | 2.459635138998E+26 |
---|---|
Surface area | 1.8984445514314E+18 |
Circumference | 2442158769.6185 |
Square
Length = nPerimeter | 1554726560 |
---|---|
Area | 151073417273089600 |
Diagonal | 549678846.73342 |
Cube
Length = nSurface area | 906440503638537600 |
---|---|
Volume | 5.8719463586109E+25 |
Space diagonal | 673216348.4492 |
Equilateral Triangle
Length = nPerimeter | 1166044920 |
---|---|
Area | 6.5416708597511E+16 |
Altitude | 336608174.2246 |
Triangular Pyramid
Length = nSurface area | 6.5416708597511E+16 |
---|---|
Volume | 6.920155148229E+24 |
Height | 183226282.24447 |