987994992 (number)
987994992 is an even 9-digits composite number following 987994991 and preceding 987994993. In scientific notation, it is written as 9.87994992 × 10^8. The sum of its digits is 66. It has a total of 7 prime factors and 40 positive divisors. There are 315012544 positive integers (up to 987994992) that are relatively prime to 987994992.
Interesting facts
- 987994992 has 40 divisors, whose sum is 2663293824
- The reverse of 987994992 is 299499789
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 66
- Digital Root 3
Name
Name | nine hundred eighty-seven million nine hundred ninety-four thousand nine hundred ninety-two |
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Notation
Scientific notation | 9.87994992 × 10^8 |
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Engineering notation | 9.87994992 × 10^6 |
Prime Factorization of 987994992
Prime Factorization 2 × 2 × 2 × 2 × 3 × 23 × 894923
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 123499374 | Product of the distinct prime numbers |
The prime factorization of 987994992 is 2 × 2 × 2 × 2 × 3 × 23 × 894923. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 987994992)
Multiplication
n×yn×2 | 1975989984 |
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n×3 | 2963984976 |
n×4 | 3951979968 |
n×5 | 4939974960 |
Division
n÷yn÷2 | 493997496 |
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n÷3 | 329331664 |
n÷3 | 246998748 |
n÷5 | 197598998.4 |
Exponentiation
nyn2 | 976134104217080064 |
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n3 | 9.6441560648688E+26 |
n4 | 9.5283778941568E+35 |
n5 | 9.4139896413104E+44 |
Nth Root
y√n2√n | 31432.38762805 |
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3√n | 995.98220964659 |
4√n | 177.29181489299 |
5√n | 62.943508734574 |
Divisors of 987994992
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 | -987994991 | 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 987994992 can be divided by 40 positive divisors. The sum of these divisors (counting 987994992) is 1, the average is 0.025.
Base conversion 987994992
Base | System | Value |
---|---|---|
2 | Binary | 111010111000111001101101110000 |
3 | Ternary | 2112212002100100010 |
4 | Quaternary | 322320321231300 |
5 | Quinary | 4010411314432 |
6 | Senary | 242012054520 |
8 | Octal | 7270715560 |
10 | Decimal | 987994992 |
12 | Duodecimal | 236a64440 |
16 | Hexadecimal | 3ae39b70 |
20 | Vigesimal | f8ej79c |
36 | Base36 | gc85tc |
Cryptographic Hash Functions
md5 | 14db25e6038bc322cd6b6cafdd34e601 |
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sha1 | 99555c88dfb261deada2b5ff5d6b4465ee6c4050 |
sha256 | 467e6f22f6ed80a2f8da0a287ddfe9a37ee2e86b113f183afe3ebbb51b2006e0 |
sha512 | 651d52b4104dffa87e13eda484bd2a916860b1ae4029d7b3772ac577816034340cb97d5d797b0a7da07327d5fa4aabe32f2aafccaf70c773d51425ae29fb4a8b |
ripemd-160 | 6be984ad356461356cc50f0c6f37827bda2de4bb |
987994992 as geometric shapes
Circle
Radius = nDiameter | 1975989984 |
---|---|
Circumference | 6207755617.3014 |
Area | 3.0666157307268E+18 |
Sphere
Radius = nVolume | 4.0397346457954E+27 |
---|---|
Surface area | 1.2266462922907E+19 |
Circumference | 6207755617.3014 |
Square
Length = nPerimeter | 3951979968 |
---|---|
Area | 976134104217080064 |
Diagonal | 1397235917.2431 |
Cube
Length = nSurface area | 5856804625302480384 |
---|---|
Volume | 9.6441560648688E+26 |
Space diagonal | 1711257523.7676 |
Equilateral Triangle
Length = nPerimeter | 2963984976 |
---|---|
Area | 4.2267846587618E+17 |
Altitude | 855628761.8838 |
Triangular Pyramid
Length = nSurface area | 4.2267846587618E+17 |
---|---|
Volume | 1.1365746920484E+26 |
Height | 465745305.7477 |