987297988 (number)
987297988 is an even 9-digits composite number following 987297987 and preceding 987297989. In scientific notation, it is written as 9.87297988 × 10^8. The sum of its digits is 67. It has a total of 6 prime factors and 48 positive divisors. There are 459889056 positive integers (up to 987297988) that are relatively prime to 987297988.
Interesting facts
- 987297988 has 48 divisors, whose sum is 1849236480
- The reverse of 987297988 is 889792789
- Previous prime number is 167
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 67
- Digital Root 4
Name
Name | nine hundred eighty-seven million two hundred ninety-seven thousand nine hundred eighty-eight |
---|
Notation
Scientific notation | 9.87297988 × 10^8 |
---|---|
Engineering notation | 9.87297988 × 10^6 |
Prime Factorization of 987297988
Prime Factorization 2 × 2 × 19 × 107 × 167 × 727
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 493648994 | Product of the distinct prime numbers |
The prime factorization of 987297988 is 2 × 2 × 19 × 107 × 167 × 727. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 987297988)
Multiplication
n×yn×2 | 1974595976 |
---|---|
n×3 | 2961893964 |
n×4 | 3949191952 |
n×5 | 4936489940 |
Division
n÷yn÷2 | 493648994 |
---|---|
n÷3 | 329099329.33333 |
n÷3 | 246824497 |
n÷5 | 197459597.6 |
Exponentiation
nyn2 | 974757317108848144 |
---|---|
n3 | 9.6237593796984E+26 |
n4 | 9.5015182725724E+35 |
n5 | 9.380829873456E+44 |
Nth Root
y√n2√n | 31421.298318179 |
---|---|
3√n | 995.74794162532 |
4√n | 177.26053796088 |
5√n | 62.934625235541 |
Divisors of 987297988
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -987297987 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 987297988 can be divided by 48 positive divisors. The sum of these divisors (counting 987297988) is 1, the average is 0.020833333333333.
Base conversion 987297988
Base | System | Value |
---|---|---|
2 | Binary | 111010110110001111100011000100 |
3 | Ternary | 2112210202221020011 |
4 | Quaternary | 322312033203010 |
5 | Quinary | 4010222013423 |
6 | Senary | 241545120004 |
8 | Octal | 7266174304 |
10 | Decimal | 987297988 |
12 | Duodecimal | 236789004 |
16 | Hexadecimal | 3ad8f8c4 |
20 | Vigesimal | f8ac4j8 |
36 | Base36 | gbt804 |
Cryptographic Hash Functions
md5 | aec003ed17a71bf58e1cdc95c7176e15 |
---|---|
sha1 | aa35b94e80cd5bb94011220089da17e03c4e4941 |
sha256 | 87e9481591f43b357a9ba66219af4957bd78d89ae909f976e49d7f1bc3c09f97 |
sha512 | 1123bb2c1cc6c87948d0ffd17255ff0fc96a672200a486593d4864da58adc3ef7ff4b10515b29bf7f9f7529696600c9f7911cd09a7b51ec7b1f425fdb2c1fc10 |
ripemd-160 | 7f3a99d867f095096d1e0c361759980a458e1a48 |
987297988 as geometric shapes
Circle
Radius = nDiameter | 1974595976 |
---|---|
Circumference | 6203376212.0096 |
Area | 3.0622904264621E+18 |
Sphere
Radius = nVolume | 4.0311909022902E+27 |
---|---|
Surface area | 1.2249161705848E+19 |
Circumference | 6203376212.0096 |
Square
Length = nPerimeter | 3949191952 |
---|---|
Area | 974757317108848144 |
Diagonal | 1396250204.7333 |
Cube
Length = nSurface area | 5848543902653088864 |
---|---|
Volume | 9.6237593796984E+26 |
Space diagonal | 1710050277.4265 |
Equilateral Triangle
Length = nPerimeter | 2961893964 |
---|---|
Area | 4.2208229957051E+17 |
Altitude | 855025138.71326 |
Triangular Pyramid
Length = nSurface area | 4.2208229957051E+17 |
---|---|
Volume | 1.1341709196487E+26 |
Height | 465416734.91109 |