388905972 (number)
388905972 is an even 9-digits composite number following 388905971 and preceding 388905973. In scientific notation, it is written as 3.88905972 × 10^8. The sum of its digits is 51. It has a total of 6 prime factors and 48 positive divisors. There are 102568320 positive integers (up to 388905972) that are relatively prime to 388905972.
Interesting facts
- 388905972 has 48 divisors, whose sum is 1116861312
- The reverse of 388905972 is 279509883
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 51
- Digital Root 6
Name
Name | three hundred eighty-eight million nine hundred five thousand nine hundred seventy-two |
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Notation
Scientific notation | 3.88905972 × 10^8 |
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Engineering notation | 3.88905972 × 10^6 |
Prime Factorization of 388905972
Prime Factorization 2 × 2 × 3 × 13 × 7 × 356141
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 194452986 | Product of the distinct prime numbers |
The prime factorization of 388905972 is 2 × 2 × 3 × 13 × 7 × 356141. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 388905972)
Multiplication
n×yn×2 | 777811944 |
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n×3 | 1166717916 |
n×4 | 1555623888 |
n×5 | 1944529860 |
Division
n÷yn÷2 | 194452986 |
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n÷3 | 129635324 |
n÷3 | 97226493 |
n÷5 | 77781194.4 |
Exponentiation
nyn2 | 151247855057264784 |
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n3 | 5.8821194083961E+25 |
n4 | 2.2875913659423E+34 |
n5 | 8.8965794371061E+42 |
Nth Root
y√n2√n | 19720.69907483 |
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3√n | 729.93054446464 |
4√n | 140.43040651807 |
5√n | 52.235880832582 |
Divisors of 388905972
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 | -388905971 | 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 388905972 can be divided by 48 positive divisors. The sum of these divisors (counting 388905972) is 1, the average is 0.020833333333333.
Base conversion 388905972
Base | System | Value |
---|---|---|
2 | Binary | 10111001011100011101111110100 |
3 | Ternary | 1000002210110200220 |
4 | Quaternary | 113023203233310 |
5 | Quinary | 1244024442342 |
6 | Senary | 102331334340 |
8 | Octal | 2713435764 |
10 | Decimal | 388905972 |
12 | Duodecimal | aa2b13b0 |
16 | Hexadecimal | 172e3bf4 |
20 | Vigesimal | 61ad4ic |
36 | Base36 | 6fjlro |
Cryptographic Hash Functions
md5 | 1bc1118c97ba931538761447589cb452 |
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sha1 | fa4ed369a6c111bf276ff11259d1796c76a27b10 |
sha256 | d3e91074174e29155b09aba3cdc4361b14b1a0db0efb9fe64a7ed4f94cb639af |
sha512 | b8c4d8e93f7606f71a25437217a195df548d08cf92e86ee85ce4247dac0bc888871aa377ff6e90729392f4883d3128c80b38d6143f023a057b4a5c542ccbecfd |
ripemd-160 | 0974547177f848c686b51a145708ff2e214aec61 |
388905972 as geometric shapes
Circle
Radius = nDiameter | 777811944 |
---|---|
Circumference | 2443568289.1448 |
Area | 4.7515915031912E+17 |
Sphere
Radius = nVolume | 2.4638964161273E+26 |
---|---|
Surface area | 1.9006366012765E+18 |
Circumference | 2443568289.1448 |
Square
Length = nPerimeter | 1555623888 |
---|---|
Area | 151247855057264784 |
Diagonal | 549996100.09029 |
Cube
Length = nSurface area | 907487130343588704 |
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Volume | 5.8821194083961E+25 |
Space diagonal | 673604902.87096 |
Equilateral Triangle
Length = nPerimeter | 1166717916 |
---|---|
Area | 6.5492242373749E+16 |
Altitude | 336802451.43548 |
Triangular Pyramid
Length = nSurface area | 6.5492242373749E+16 |
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Volume | 6.9321442023764E+24 |
Height | 183332033.36343 |