78849820 (number)
78849820 is an even 8-digits composite number following 78849819 and preceding 78849821. In scientific notation, it is written as 7.8849820 × 10^7. The sum of its digits is 46. It has a total of 7 prime factors and 72 positive divisors. There are 26570880 positive integers (up to 78849820) that are relatively prime to 78849820.
Interesting facts
- 78849820 has 72 divisors, whose sum is 195924960
- The reverse of 78849820 is 02894887
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 46
- Digital Root 1
Name
Name | seventy-eight million eight hundred forty-nine thousand eight hundred twenty |
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Notation
Scientific notation | 7.8849820 × 10^7 |
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Engineering notation | 7.8849820 × 10^6 |
Prime Factorization of 78849820
Prime Factorization 2 × 2 × 5 × 7 × 7 × 61 × 1319
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5632130 | Product of the distinct prime numbers |
The prime factorization of 78849820 is 2 × 2 × 5 × 7 × 7 × 61 × 1319. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 78849820)
Multiplication
n×yn×2 | 157699640 |
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n×3 | 236549460 |
n×4 | 315399280 |
n×5 | 394249100 |
Division
n÷yn÷2 | 39424910 |
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n÷3 | 26283273.333333 |
n÷3 | 19712455 |
n÷5 | 15769964 |
Exponentiation
nyn2 | 6217294114032400 |
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n3 | 4.9023252177851E+23 |
n4 | 3.8654746100382E+31 |
n5 | 3.0479197721608E+39 |
Nth Root
y√n2√n | 8879.7421133724 |
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3√n | 428.811972161 |
4√n | 94.232383570471 |
5√n | 37.962966460979 |
Divisors of 78849820
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -78849819 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 78849820 can be divided by 72 positive divisors. The sum of these divisors (counting 78849820) is 1, the average is 0.013888888888889.
Base conversion 78849820
Base | System | Value |
---|---|---|
2 | Binary | 100101100110010011100011100 |
3 | Ternary | 12111100222121201 |
4 | Quaternary | 10230302130130 |
5 | Quinary | 130141143240 |
6 | Senary | 11454005244 |
8 | Octal | 454623434 |
10 | Decimal | 78849820 |
12 | Duodecimal | 224a6824 |
16 | Hexadecimal | 4b3271c |
20 | Vigesimal | 14cg4b0 |
36 | Base36 | 1ay0ws |
Cryptographic Hash Functions
md5 | 9b55daf5f14ba8dc88cdc72138427e04 |
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sha1 | 4b808dd314230e4f9a9725086067b5d8df74fd80 |
sha256 | 0b7e1b9f868cfe617581c7bffc56f9505bc6e6fe3f08ea31c26becd2dabe057d |
sha512 | 342165ca03a46846ae7a5abfb568c77ed75b3e1afb823b3a9f8d4a10ffbb8a509c12c04dfb7337a3e692653e2414c726df11b5981752bd100090ebb45e4a24a3 |
ripemd-160 | 1ecfd539a08fb755806f54d9cd07ac82b862df9e |
78849820 as geometric shapes
Circle
Radius = nDiameter | 157699640 |
---|---|
Circumference | 495428030.49776 |
Area | 1.9532205513851E+16 |
Sphere
Radius = nVolume | 2.0534811852936E+24 |
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Surface area | 7.8128822055405E+16 |
Circumference | 495428030.49776 |
Square
Length = nPerimeter | 315399280 |
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Area | 6217294114032400 |
Diagonal | 111510484.83468 |
Cube
Length = nSurface area | 37303764684194400 |
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Volume | 4.9023252177851E+23 |
Space diagonal | 136571894.40766 |
Equilateral Triangle
Length = nPerimeter | 236549460 |
---|---|
Area | 2.6921673227758E+15 |
Altitude | 68285947.20383 |
Triangular Pyramid
Length = nSurface area | 2.6921673227758E+15 |
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Volume | 5.7774456751295E+22 |
Height | 37170161.611559 |