8981388 (number)
8981388 is an even 7-digits composite number following 8981387 and preceding 8981389. In scientific notation, it is written as 8.981388 × 10^6. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 2763072 positive integers (up to 8981388) that are relatively prime to 8981388.
Interesting facts
- 8981388 has 48 divisors, whose sum is 25080160
- The reverse of 8981388 is 8831898
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 7
- Sum of Digits 45
- Digital Root 9
Name
| Name | eight million nine hundred eighty-one thousand three hundred eighty-eight |
|---|
Notation
| Scientific notation | 8.981388 × 10^6 |
|---|---|
| Engineering notation | 8.981388 × 10^6 |
Prime Factorization of 8981388
Prime Factorization 2 × 2 × 9 × 3 × 13 × 6397
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 4490694 | Product of the distinct prime numbers |
The prime factorization of 8981388 is 2 × 2 × 9 × 3 × 13 × 6397. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 8981388)
Multiplication
n×y| n×2 | 17962776 |
|---|---|
| n×3 | 26944164 |
| n×4 | 35925552 |
| n×5 | 44906940 |
Division
n÷y| n÷2 | 4490694 |
|---|---|
| n÷3 | 2993796 |
| n÷3 | 2245347 |
| n÷5 | 1796277.6 |
Exponentiation
ny| n2 | 80665330406544 |
|---|---|
| n3 | 7.2448663052937E+20 |
| n4 | 6.5068955295969E+27 |
| n5 | 5.8440953426775E+34 |
Nth Root
y√n| 2√n | 2996.8963946056 |
|---|---|
| 3√n | 207.86489623842 |
| 4√n | 54.743916507733 |
| 5√n | 24.584913902086 |
Divisors of 8981388
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 | -8981387 | 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 8981388 can be divided by 48 positive divisors. The sum of these divisors (counting 8981388) is 1, the average is 0.020833333333333.
Base conversion 8981388
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100010010000101110001100 |
| 3 | Ternary | 121220022011000 |
| 4 | Quaternary | 202100232030 |
| 5 | Quinary | 4244401023 |
| 6 | Senary | 520300300 |
| 8 | Octal | 42205614 |
| 10 | Decimal | 8981388 |
| 12 | Duodecimal | 3011690 |
| 16 | Hexadecimal | 890b8c |
| 20 | Vigesimal | 2g2d98 |
| 36 | Base36 | 5ci30 |
Cryptographic Hash Functions
| md5 | 0c485cb34a51a75333e783f7d8221723 |
|---|---|
| sha1 | ff2d4945c512dfcb8157bcb665280d4f83745ab8 |
| sha256 | f9ba3df4060789ea8510211847fdf35d83a9e448a06cd3bb3be8395e7b770d32 |
| sha512 | a2b8fc705013bcba1ed5aab54b49a46aad4f5a4ca99e3abe45d0720d30cf314faece5d7fe87633e6372bf7a19a946076b98dff48587505c679a4af47805e80ab |
| ripemd-160 | 26c27431612c609ead8bb131bfe9a069ab627fbe |
8981388 as geometric shapes
Circle
Radius = n| Diameter | 17962776 |
|---|---|
| Circumference | 56431725.119679 |
| Area | 2.5341760940459E+14 |
Sphere
Radius = n| Volume | 3.0347225014601E+21 |
|---|---|
| Surface area | 1.0136704376184E+15 |
| Circumference | 56431725.119679 |
Square
Length = n| Perimeter | 35925552 |
|---|---|
| Area | 80665330406544 |
| Diagonal | 12701600.718535 |
Cube
Length = n| Surface area | 483991982439264 |
|---|---|
| Volume | 7.2448663052937E+20 |
| Space diagonal | 15556220.338489 |
Equilateral Triangle
Length = n| Perimeter | 26944164 |
|---|---|
| Area | 34929112668366 |
| Altitude | 7778110.1692447 |
Triangular Pyramid
Length = n| Surface area | 34929112668366 |
|---|---|
| Volume | 8.5381568221052E+19 |
| Height | 4233866.9061783 |