77777728 (number)
77777728 is an even 8-digits composite number following 77777727 and preceding 77777729. In scientific notation, it is written as 7.7777728 × 10^7. The sum of its digits is 52. It has a total of 9 prime factors and 56 positive divisors. There are 33067008 positive integers (up to 77777728) that are relatively prime to 77777728.
Interesting facts
- 77777728 has 56 divisors, whose sum is 177800000
- The reverse of 77777728 is 82777777
- Previous prime number is 139
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 52
- Digital Root 7
Name
Name | seventy-seven million seven hundred seventy-seven thousand seven hundred twenty-eight |
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Notation
Scientific notation | 7.7777728 × 10^7 |
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Engineering notation | 7.7777728 × 10^6 |
Prime Factorization of 77777728
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 139 × 1249
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 2430554 | Product of the distinct prime numbers |
The prime factorization of 77777728 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 139 × 1249. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 77777728)
Multiplication
n×yn×2 | 155555456 |
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n×3 | 233333184 |
n×4 | 311110912 |
n×5 | 388888640 |
Division
n÷yn÷2 | 38888864 |
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n÷3 | 25925909.333333 |
n÷3 | 19444432 |
n÷5 | 15555545.6 |
Exponentiation
nyn2 | 6049374972841984 |
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n3 | 4.7050664120771E+23 |
n4 | 3.6594937562047E+31 |
n5 | 2.8462710998779E+39 |
Nth Root
y√n2√n | 8819.1682147468 |
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3√n | 426.85963059907 |
4√n | 93.910426549701 |
5√n | 37.859166686078 |
Divisors of 77777728
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -77777727 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 77777728 can be divided by 56 positive divisors. The sum of these divisors (counting 77777728) is 1, the average is 0.017857142857143.
Base conversion 77777728
Base | System | Value |
---|---|---|
2 | Binary | 100101000101100101101000000 |
3 | Ternary | 12102100111222121 |
4 | Quaternary | 10220230231000 |
5 | Quinary | 124402341403 |
6 | Senary | 11415014024 |
8 | Octal | 450545500 |
10 | Decimal | 77777728 |
12 | Duodecimal | 2206a314 |
16 | Hexadecimal | 4a2cb40 |
20 | Vigesimal | 1462468 |
36 | Base36 | 1ab1og |
Cryptographic Hash Functions
md5 | e30206a271ab9061be3dd1d7ca856243 |
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sha1 | d89afeb01733e01768ba1b65b56908a904824dc7 |
sha256 | 4bcdedb49665e571c9aaf1d5fcdefb2c7280bd0f0e4d1ab6f5edf98c8be1f4bf |
sha512 | ec0abc1ae5afe89c29da0e808c60fdfa5534a6eab36eee462ccf87c890486db769bad0c21c56a9546d20fb3e72322bd8170630063de519ed8d674e88ee122b29 |
ripemd-160 | 32b3fef47012ea81acb2f2685d10d3fba8fcf734 |
77777728 as geometric shapes
Circle
Radius = nDiameter | 155555456 |
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Circumference | 488691877.79541 |
Area | 1.900467197349E+16 |
Sphere
Radius = nVolume | 1.9708536099778E+24 |
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Surface area | 7.6018687893961E+16 |
Circumference | 488691877.79541 |
Square
Length = nPerimeter | 311110912 |
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Area | 6049374972841984 |
Diagonal | 109994317.78817 |
Cube
Length = nSurface area | 36296249837051904 |
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Volume | 4.7050664120771E+23 |
Space diagonal | 134714976.59327 |
Equilateral Triangle
Length = nPerimeter | 233333184 |
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Area | 2.6194562017495E+15 |
Altitude | 67357488.296636 |
Triangular Pyramid
Length = nSurface area | 2.6194562017495E+15 |
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Volume | 5.544973943188E+22 |
Height | 36664772.596055 |