87942768 (number)
87942768 is an even 8-digits composite number following 87942767 and preceding 87942769. In scientific notation, it is written as 8.7942768 × 10^7. The sum of its digits is 51. It has a total of 7 prime factors and 40 positive divisors. There are 27589632 positive integers (up to 87942768) that are relatively prime to 87942768.
Interesting facts
- 87942768 has 40 divisors, whose sum is 240551568
- The reverse of 87942768 is 86724978
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 51
- Digital Root 6
Name
Name | eighty-seven million nine hundred forty-two thousand seven hundred sixty-eight |
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Notation
Scientific notation | 8.7942768 × 10^7 |
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Engineering notation | 8.7942768 × 10^6 |
Prime Factorization of 87942768
Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 107773
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 10992846 | Product of the distinct prime numbers |
The prime factorization of 87942768 is 2 × 2 × 2 × 2 × 3 × 17 × 107773. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 87942768)
Multiplication
n×yn×2 | 175885536 |
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n×3 | 263828304 |
n×4 | 351771072 |
n×5 | 439713840 |
Division
n÷yn÷2 | 43971384 |
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n÷3 | 29314256 |
n÷3 | 21985692 |
n÷5 | 17588553.6 |
Exponentiation
nyn2 | 7733930443501824 |
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n3 | 6.8014325072102E+23 |
n4 | 5.9813680104924E+31 |
n5 | 5.2601805926936E+39 |
Nth Root
y√n2√n | 9377.7805476563 |
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3√n | 444.69957081698 |
4√n | 96.838941277031 |
5√n | 38.800741584362 |
Divisors of 87942768
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -87942767 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 87942768 can be divided by 40 positive divisors. The sum of these divisors (counting 87942768) is 1, the average is 0.025.
Base conversion 87942768
Base | System | Value |
---|---|---|
2 | Binary | 101001111011110011001110000 |
3 | Ternary | 20010110221210120 |
4 | Quaternary | 11033132121300 |
5 | Quinary | 140003132033 |
6 | Senary | 12420530240 |
8 | Octal | 517363160 |
10 | Decimal | 87942768 |
12 | Duodecimal | 25550980 |
16 | Hexadecimal | 53de670 |
20 | Vigesimal | 179cgi8 |
36 | Base36 | 1gcx2o |
Cryptographic Hash Functions
md5 | 41e1ad49becae3dc2661bdbf2efb7566 |
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sha1 | 8193076ab92ea2a14ee3d8f61c23ee68d3cbf201 |
sha256 | 531e96a5752b54bda5dd5ab0a79d480e175e92dcfa122325af85b084ab0a5a4d |
sha512 | bf4f49cf31d9425539550d6d552469cabb1d651f751a3ce6685d057fbbf3bfa9896f849f7eac47251905019e82617e1426e8380f0572f7d353112aa9e6bc857a |
ripemd-160 | b32dd155b063fee5dc135109f1159ed140ccbe05 |
87942768 as geometric shapes
Circle
Radius = nDiameter | 175885536 |
---|---|
Circumference | 552560707.7703 |
Area | 2.429685906468E+16 |
Sphere
Radius = nVolume | 2.8489773864718E+24 |
---|---|
Surface area | 9.7187436258719E+16 |
Circumference | 552560707.7703 |
Square
Length = nPerimeter | 351771072 |
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Area | 7733930443501824 |
Diagonal | 124369855.21823 |
Cube
Length = nSurface area | 46403582661010944 |
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Volume | 6.8014325072102E+23 |
Space diagonal | 152321342.33424 |
Equilateral Triangle
Length = nPerimeter | 263828304 |
---|---|
Area | 3.3488901175872E+15 |
Altitude | 76160671.167121 |
Triangular Pyramid
Length = nSurface area | 3.3488901175872E+15 |
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Volume | 8.0155650793849E+22 |
Height | 41456618.406077 |