388628944 (number)
388628944 is an even 9-digits composite number following 388628943 and preceding 388628945. In scientific notation, it is written as 3.88628944 × 10^8. The sum of its digits is 52. It has a total of 7 prime factors and 40 positive divisors. There are 174007680 positive integers (up to 388628944) that are relatively prime to 388628944.
Interesting facts
- 388628944 has 40 divisors, whose sum is 833705568
- The reverse of 388628944 is 449826883
- Previous prime number is 67
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 52
- Digital Root 7
Name
Name | three hundred eighty-eight million six hundred twenty-eight thousand nine hundred forty-four |
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Notation
Scientific notation | 3.88628944 × 10^8 |
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Engineering notation | 3.88628944 × 10^6 |
Prime Factorization of 388628944
Prime Factorization 2 × 2 × 2 × 2 × 11 × 67 × 32957
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 48578618 | Product of the distinct prime numbers |
The prime factorization of 388628944 is 2 × 2 × 2 × 2 × 11 × 67 × 32957. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388628944)
Multiplication
n×yn×2 | 777257888 |
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n×3 | 1165886832 |
n×4 | 1554515776 |
n×5 | 1943144720 |
Division
n÷yn÷2 | 194314472 |
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n÷3 | 129542981.33333 |
n÷3 | 97157236 |
n÷5 | 77725788.8 |
Exponentiation
nyn2 | 151032456114555136 |
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n3 | 5.8695583929526E+25 |
n4 | 2.2810802799995E+34 |
n5 | 8.8649382039543E+42 |
Nth Root
y√n2√n | 19713.674036059 |
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3√n | 729.75718702445 |
4√n | 140.40539176278 |
5√n | 52.228436911647 |
Divisors of 388628944
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 | -388628943 | 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 388628944 can be divided by 40 positive divisors. The sum of these divisors (counting 388628944) is 1, the average is 0.025.
Base conversion 388628944
Base | System | Value |
---|---|---|
2 | Binary | 10111001010100000000111010000 |
3 | Ternary | 1000002021101200121 |
4 | Quaternary | 113022200013100 |
5 | Quinary | 1243442111234 |
6 | Senary | 102321400024 |
8 | Octal | 2712400720 |
10 | Decimal | 388628944 |
12 | Duodecimal | aa199014 |
16 | Hexadecimal | 172a01d0 |
20 | Vigesimal | 618ic74 |
36 | Base36 | 6fdo0g |
Cryptographic Hash Functions
md5 | a2ace8942f2d12bcaa8f800af06cb192 |
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sha1 | 871a7c3a782d139ee6920b94a9dcb6998e530286 |
sha256 | 7c58a69dafc6217ac57f2d948aea146a43682d8229b45e120d0f7be178141b05 |
sha512 | f04c91e01d7ba33c9b55a677f29608e6440913b18849b80789f1e600a2c5fc649a98364265f0e0c722cce55c065ff3a2d0b9de63d1f9caeb3e7c868899f098be |
ripemd-160 | 0b03b92cc2b5965243b16e50c5c0fe8212e4c4e2 |
388628944 as geometric shapes
Circle
Radius = nDiameter | 777257888 |
---|---|
Circumference | 2441827670.8855 |
Area | 4.7448245458311E+17 |
Sphere
Radius = nVolume | 2.4586348702822E+26 |
---|---|
Surface area | 1.8979298183324E+18 |
Circumference | 2441827670.8855 |
Square
Length = nPerimeter | 1554515776 |
---|---|
Area | 151032456114555136 |
Diagonal | 549604323.33553 |
Cube
Length = nSurface area | 906194736687330816 |
---|---|
Volume | 5.8695583929526E+25 |
Space diagonal | 673125076.29984 |
Equilateral Triangle
Length = nPerimeter | 1165886832 |
---|---|
Area | 6.5398971895582E+16 |
Altitude | 336562538.14992 |
Triangular Pyramid
Length = nSurface area | 6.5398971895582E+16 |
---|---|
Volume | 6.917340903712E+24 |
Height | 183201441.11184 |