638996956 (number)
638996956 is an even 9-digits composite number following 638996955 and preceding 638996957. In scientific notation, it is written as 6.38996956 × 10^8. The sum of its digits is 61. It has a total of 6 prime factors and 48 positive divisors. There are 282610944 positive integers (up to 638996956) that are relatively prime to 638996956.
Interesting facts
- 638996956 has 48 divisors, whose sum is 1255524256
- The reverse of 638996956 is 659699836
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 61
- Digital Root 7
Name
Name | six hundred thirty-eight million nine hundred ninety-six thousand nine hundred fifty-six |
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Notation
Scientific notation | 6.38996956 × 10^8 |
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Engineering notation | 6.38996956 × 10^6 |
Prime Factorization of 638996956
Prime Factorization 2 × 2 × 13 × 67 × 37 × 4957
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 319498478 | Product of the distinct prime numbers |
The prime factorization of 638996956 is 2 × 2 × 13 × 67 × 37 × 4957. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638996956)
Multiplication
n×yn×2 | 1277993912 |
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n×3 | 1916990868 |
n×4 | 2555987824 |
n×5 | 3194984780 |
Division
n÷yn÷2 | 319498478 |
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n÷3 | 212998985.33333 |
n÷3 | 159749239 |
n÷5 | 127799391.2 |
Exponentiation
nyn2 | 408317109777265936 |
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n3 | 2.6091339023039E+26 |
n4 | 1.6672286213686E+35 |
n5 | 1.0653540140106E+44 |
Nth Root
y√n2√n | 25278.389110068 |
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3√n | 861.32343378017 |
4√n | 158.99178944231 |
5√n | 57.689896242242 |
Divisors of 638996956
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 | -638996955 | 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 638996956 can be divided by 48 positive divisors. The sum of these divisors (counting 638996956) is 1, the average is 0.020833333333333.
Base conversion 638996956
Base | System | Value |
---|---|---|
2 | Binary | 100110000101100101000111011100 |
3 | Ternary | 1122112101102000221 |
4 | Quaternary | 212011211013130 |
5 | Quinary | 2302040400311 |
6 | Senary | 143223531124 |
8 | Octal | 4605450734 |
10 | Decimal | 638996956 |
12 | Duodecimal | 159bb9aa4 |
16 | Hexadecimal | 261651dc |
20 | Vigesimal | 9jdec7g |
36 | Base36 | akfx7g |
Cryptographic Hash Functions
md5 | ac78083f2cb0f074a34ac59afdbc9396 |
---|---|
sha1 | 557d5e47d7c19528d3b7bc5ae12dc44fdd490e51 |
sha256 | 64dd962255c7ca363ee4058eb284fa89e7583967563ef4d414e638311e2ec32e |
sha512 | 656d7afef89522a9af770b000537189c09e52795ca49787fda0a087d87901780d358c1fd7b75b478893b105c2f8466d15702f8b105f58aaadfb7c3c90d377ba3 |
ripemd-160 | f74a4f966d9cc7d3b880ed5e5208905ae3991ff8 |
638996956 as geometric shapes
Circle
Radius = nDiameter | 1277993912 |
---|---|
Circumference | 4014936285.2717 |
Area | 1.2827660324113E+18 |
Sphere
Radius = nVolume | 1.0929114532947E+27 |
---|---|
Surface area | 5.1310641296451E+18 |
Circumference | 4014936285.2717 |
Square
Length = nPerimeter | 2555987824 |
---|---|
Area | 408317109777265936 |
Diagonal | 903678161.49032 |
Cube
Length = nSurface area | 2449902658663595616 |
---|---|
Volume | 2.6091339023039E+26 |
Space diagonal | 1106775193.6739 |
Equilateral Triangle
Length = nPerimeter | 1916990868 |
---|---|
Area | 1.7680649493348E+17 |
Altitude | 553387596.83693 |
Triangular Pyramid
Length = nSurface area | 1.7680649493348E+17 |
---|---|
Volume | 3.074893792238E+25 |
Height | 301226053.83011 |