77881428 (number)
77881428 is an even 8-digits composite number following 77881427 and preceding 77881429. In scientific notation, it is written as 7.7881428 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 36 positive divisors. There are 25356240 positive integers (up to 77881428) that are relatively prime to 77881428.
Interesting facts
- 77881428 has 36 divisors, whose sum is 201449248
- The reverse of 77881428 is 82418877
- Previous prime number is 50311
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | seventy-seven million eight hundred eighty-one thousand four hundred twenty-eight |
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Notation
Scientific notation | 7.7881428 × 10^7 |
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Engineering notation | 7.7881428 × 10^6 |
Prime Factorization of 77881428
Prime Factorization 2 × 2 × 3 × 3 × 50311 × 43
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 12980238 | Product of the distinct prime numbers |
The prime factorization of 77881428 is 2 × 2 × 3 × 3 × 50311 × 43. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 77881428)
Multiplication
n×yn×2 | 155762856 |
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n×3 | 233644284 |
n×4 | 311525712 |
n×5 | 389407140 |
Division
n÷yn÷2 | 38940714 |
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n÷3 | 25960476 |
n÷3 | 19470357 |
n÷5 | 15576285.6 |
Exponentiation
nyn2 | 6065516827319184 |
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n3 | 4.7239111206965E+23 |
n4 | 3.6790494382492E+31 |
n5 | 2.8652962393345E+39 |
Nth Root
y√n2√n | 8825.0454956334 |
---|---|
3√n | 427.04925508667 |
4√n | 93.941713288791 |
5√n | 37.869256730025 |
Divisors of 77881428
36 divisors
τ | Total Divisors | 36 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -77881427 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.027777777777778 | 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 | 36 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 77881428 can be divided by 36 positive divisors. The sum of these divisors (counting 77881428) is 1, the average is 0.027777777777778.
Base conversion 77881428
Base | System | Value |
---|---|---|
2 | Binary | 100101001000110000001010100 |
3 | Ternary | 12102112210020100 |
4 | Quaternary | 10221012001110 |
5 | Quinary | 124414201203 |
6 | Senary | 11421134100 |
8 | Octal | 451060124 |
10 | Decimal | 77881428 |
12 | Duodecimal | 220ba330 |
16 | Hexadecimal | 4a46054 |
20 | Vigesimal | 146f3b8 |
36 | Base36 | 1ad9p0 |
Cryptographic Hash Functions
md5 | 5346f7f5f14a431fd9c8b22beb12f779 |
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sha1 | 83b8957284de90ad6270238e625d9465bb92527f |
sha256 | 6d37da0a54f0a02bcdea3dacd4dd48735ff649f62e03e5ac968617214d3c2a37 |
sha512 | c0b7930b8a2f571a53c00991b29417690b792b581a18d26b50059a590b651060751b443718b1fbffbc4e91d087a4557ba0eda5fc4e297b5f4b6bb69df7cbeaa6 |
ripemd-160 | 4044572fcedefe594877c77ace68c6d8c338659c |
77881428 as geometric shapes
Circle
Radius = nDiameter | 155762856 |
---|---|
Circumference | 489343444.11176 |
Area | 1.9055383104931E+16 |
Sphere
Radius = nVolume | 1.9787472630655E+24 |
---|---|
Surface area | 7.6221532419725E+16 |
Circumference | 489343444.11176 |
Square
Length = nPerimeter | 311525712 |
---|---|
Area | 6065516827319184 |
Diagonal | 110140971.73458 |
Cube
Length = nSurface area | 36393100963915104 |
---|---|
Volume | 4.7239111206965E+23 |
Space diagonal | 134894590.26202 |
Equilateral Triangle
Length = nPerimeter | 233644284 |
---|---|
Area | 2.6264458297702E+15 |
Altitude | 67447295.131009 |
Triangular Pyramid
Length = nSurface area | 2.6264458297702E+15 |
---|---|
Volume | 5.5671826452784E+22 |
Height | 36713657.244861 |