388145280 (number)
388145280 is an even 9-digits composite number following 388145279 and preceding 388145281. In scientific notation, it is written as 3.88145280 × 10^8. The sum of its digits is 39. It has a total of 10 prime factors and 64 positive divisors. There are 99921920 positive integers (up to 388145280) that are relatively prime to 388145280.
Interesting facts
- 388145280 has 64 divisors, whose sum is 853372800
- The reverse of 388145280 is 082541883
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 39
- Digital Root 3
Name
Name | three hundred eighty-eight million one hundred forty-five thousand two hundred eighty |
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Notation
Scientific notation | 3.88145280 × 10^8 |
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Engineering notation | 3.88145280 × 10^6 |
Prime Factorization of 388145280
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 6971
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 6064770 | Product of the distinct prime numbers |
The prime factorization of 388145280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 6971. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388145280)
Multiplication
n×yn×2 | 776290560 |
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n×3 | 1164435840 |
n×4 | 1552581120 |
n×5 | 1940726400 |
Division
n÷yn÷2 | 194072640 |
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n÷3 | 129381760 |
n÷3 | 97036320 |
n÷5 | 77629056 |
Exponentiation
nyn2 | 150656758386278400 |
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n3 | 5.8476709667734E+25 |
n4 | 2.2697458847461E+34 |
n5 | 8.8099115196364E+42 |
Nth Root
y√n2√n | 19701.402995726 |
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3√n | 729.45432417807 |
4√n | 140.36168635253 |
5√n | 52.215430366546 |
Divisors of 388145280
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 | -388145279 | 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 388145280 can be divided by 64 positive divisors. The sum of these divisors (counting 388145280) is 1, the average is 0.015625.
Base conversion 388145280
Base | System | Value |
---|---|---|
2 | Binary | 10111001000101010000010000000 |
3 | Ternary | 1000001100211020010 |
4 | Quaternary | 113020222002000 |
5 | Quinary | 1243331122110 |
6 | Senary | 102303144520 |
8 | Octal | 2710520200 |
10 | Decimal | 388145280 |
12 | Duodecimal | a9ba5140 |
16 | Hexadecimal | 1722a080 |
20 | Vigesimal | 615i340 |
36 | Base36 | 6f3atc |
Cryptographic Hash Functions
md5 | 64ac03734766171a4fabc523a350d10f |
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sha1 | 88b1c871feaed8e6221a0414c87e297d8ee62c41 |
sha256 | b9e375852279ab53705f5c7fe2fe5993c8a0abd1c008dfa488c307335d5462d1 |
sha512 | 2ef4c3ffe989b4cbe1c9fe5a9f1c6b4378038790bd1e7dbe82541cbcc57b467e9544967f404fca7bc7010257af63aa538af791d5d4bd46d83c07795e0b4e74ed |
ripemd-160 | 645d10a051e6837f3aab3c5a3e5422b874c02508 |
388145280 as geometric shapes
Circle
Radius = nDiameter | 776290560 |
---|---|
Circumference | 2438788720.3471 |
Area | 4.7330216535998E+17 |
Sphere
Radius = nVolume | 2.4494666866434E+26 |
---|---|
Surface area | 1.8932086614399E+18 |
Circumference | 2438788720.3471 |
Square
Length = nPerimeter | 1552581120 |
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Area | 150656758386278400 |
Diagonal | 548920319.1471 |
Cube
Length = nSurface area | 903940550317670400 |
---|---|
Volume | 5.8476709667734E+25 |
Space diagonal | 672287345.67805 |
Equilateral Triangle
Length = nPerimeter | 1164435840 |
---|---|
Area | 6.5236290007166E+16 |
Altitude | 336143672.83902 |
Triangular Pyramid
Length = nSurface area | 6.5236290007166E+16 |
---|---|
Volume | 6.8915463245887E+24 |
Height | 182973439.7157 |