87081904 (number)
87081904 is an even 8-digits composite number following 87081903 and preceding 87081905. In scientific notation, it is written as 8.7081904 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 40 positive divisors. There are 34449408 positive integers (up to 87081904) that are relatively prime to 87081904.
Interesting facts
- 87081904 has 40 divisors, whose sum is 207660320
- The reverse of 87081904 is 40918078
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 37
- Digital Root 1
Name
Name | eighty-seven million eighty-one thousand nine hundred four |
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Notation
Scientific notation | 8.7081904 × 10^7 |
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Engineering notation | 8.7081904 × 10^6 |
Prime Factorization of 87081904
Prime Factorization 2 × 2 × 2 × 2 × 7 × 13 × 59809
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 10885238 | Product of the distinct prime numbers |
The prime factorization of 87081904 is 2 × 2 × 2 × 2 × 7 × 13 × 59809. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 87081904)
Multiplication
n×yn×2 | 174163808 |
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n×3 | 261245712 |
n×4 | 348327616 |
n×5 | 435409520 |
Division
n÷yn÷2 | 43540952 |
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n÷3 | 29027301.333333 |
n÷3 | 21770476 |
n÷5 | 17416380.8 |
Exponentiation
nyn2 | 7583258004265216 |
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n3 | 6.6036454553466E+23 |
n4 | 5.7505801959252E+31 |
n5 | 5.0077147256586E+39 |
Nth Root
y√n2√n | 9331.7685354921 |
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3√n | 443.24376856646 |
4√n | 96.601079370223 |
5√n | 38.724478978215 |
Divisors of 87081904
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 | -87081903 | 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 87081904 can be divided by 40 positive divisors. The sum of these divisors (counting 87081904) is 1, the average is 0.025.
Base conversion 87081904
Base | System | Value |
---|---|---|
2 | Binary | 101001100001100001110110000 |
3 | Ternary | 20001212012220201 |
4 | Quaternary | 11030030032300 |
5 | Quinary | 134243110104 |
6 | Senary | 12350244544 |
8 | Octal | 514141660 |
10 | Decimal | 87081904 |
12 | Duodecimal | 251b6754 |
16 | Hexadecimal | 530c3b0 |
20 | Vigesimal | 17454f4 |
36 | Base36 | 1fugts |
Cryptographic Hash Functions
md5 | c8b863e7829b7b32824d43cd77d5be97 |
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sha1 | 66ca026fbaadbb44709bee2a7bef10f96b28b4fd |
sha256 | e463d6c8605fdf3a28cdcbed5e428aedae68222f2de9f6474d1fa2a0bfdf3874 |
sha512 | d9e3ede4aeac2bbe7865935ae0d02a00b2dad677cf4d759b7e0cf4d1e21c83a6cf18b87b717e2a4bd2b96e80a3966eed9c9e0fe6de8af9001290e043236c0a57 |
ripemd-160 | 6db9f9498ae51eb824c8940dfce6eed51284480c |
87081904 as geometric shapes
Circle
Radius = nDiameter | 174163808 |
---|---|
Circumference | 547151739.73402 |
Area | 2.3823507636476E+16 |
Sphere
Radius = nVolume | 2.7661285399238E+24 |
---|---|
Surface area | 9.5294030545902E+16 |
Circumference | 547151739.73402 |
Square
Length = nPerimeter | 348327616 |
---|---|
Area | 7583258004265216 |
Diagonal | 123152409.67407 |
Cube
Length = nSurface area | 45499548025591296 |
---|---|
Volume | 6.6036454553466E+23 |
Space diagonal | 150830282.14784 |
Equilateral Triangle
Length = nPerimeter | 261245712 |
---|---|
Area | 3.2836470375727E+15 |
Altitude | 75415141.073918 |
Triangular Pyramid
Length = nSurface area | 3.2836470375727E+15 |
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Volume | 7.7824708033788E+22 |
Height | 41050803.224691 |