28946988 (number)
28946988 is an even 8-digits composite number following 28946987 and preceding 28946989. In scientific notation, it is written as 2.8946988 × 10^7. The sum of its digits is 54. It has a total of 8 prime factors and 144 positive divisors. There are 7483392 positive integers (up to 28946988) that are relatively prime to 28946988.
Interesting facts
- 28946988 has 144 divisors, whose sum is 91990080
- The reverse of 28946988 is 88964982
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 54
- Digital Root 9
Name
Name | twenty-eight million nine hundred forty-six thousand nine hundred eighty-eight |
---|
Notation
Scientific notation | 2.8946988 × 10^7 |
---|---|
Engineering notation | 2.8946988 × 10^6 |
Prime Factorization of 28946988
Prime Factorization 2 × 2 × 7 × 3 × 3 × 29 × 17 × 233
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 4824498 | Product of the distinct prime numbers |
The prime factorization of 28946988 is 2 × 2 × 7 × 3 × 3 × 29 × 17 × 233. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28946988)
Multiplication
n×yn×2 | 57893976 |
---|---|
n×3 | 86840964 |
n×4 | 115787952 |
n×5 | 144734940 |
Division
n÷yn÷2 | 14473494 |
---|---|
n÷3 | 9648996 |
n÷3 | 7236747 |
n÷5 | 5789397.6 |
Exponentiation
nyn2 | 837928114272144 |
---|---|
n3 | 2.4255495068698E+22 |
n4 | 7.0212352468767E+29 |
n5 | 2.0324361243652E+37 |
Nth Root
y√n2√n | 5380.2405150699 |
---|---|
3√n | 307.04436187619 |
4√n | 73.35012280201 |
5√n | 31.068527926437 |
Divisors of 28946988
144 divisors
τ | Total Divisors | 144 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28946987 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0069444444444444 | 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 | 144 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28946988 can be divided by 144 positive divisors. The sum of these divisors (counting 28946988) is 1, the average is 0.0069444444444444.
Base conversion 28946988
Base | System | Value |
---|---|---|
2 | Binary | 1101110011011001000101100 |
3 | Ternary | 2000110122210200 |
4 | Quaternary | 1232123020230 |
5 | Quinary | 24402300423 |
6 | Senary | 2512233500 |
8 | Octal | 156331054 |
10 | Decimal | 28946988 |
12 | Duodecimal | 983b890 |
16 | Hexadecimal | 1b9b22c |
20 | Vigesimal | 90i798 |
36 | Base36 | h8fn0 |
Cryptographic Hash Functions
md5 | fbf4106fc01c56356fbfce490abc0e58 |
---|---|
sha1 | e1674c005207cbffe315683ecb05b19f42501653 |
sha256 | 50e3e79585dc6d913f0a94e8c76347b99ce99254c8cd7ae226e2dc932f079400 |
sha512 | 02bee000aac79ea7dfc0af90473112b556b558e9fd797aa567cffaff6ee367447c94423cefee5cfd41a236fec828a02e7f0c0128e4124f43b340bc1431cd7f7c |
ripemd-160 | 76abe372812de9de0db5b9244c28b98efe983d3e |
28946988 as geometric shapes
Circle
Radius = nDiameter | 57893976 |
---|---|
Circumference | 181879289.6887 |
Area | 2.6324288080337E+15 |
Sphere
Radius = nVolume | 1.0160118015601E+23 |
---|---|
Surface area | 1.0529715232135E+16 |
Circumference | 181879289.6887 |
Square
Length = nPerimeter | 115787952 |
---|---|
Area | 837928114272144 |
Diagonal | 40937223.019451 |
Cube
Length = nSurface area | 5027568685632864 |
---|---|
Volume | 2.4255495068698E+22 |
Space diagonal | 50137653.942087 |
Equilateral Triangle
Length = nPerimeter | 86840964 |
---|---|
Area | 3.6283351675243E+14 |
Altitude | 25068826.971043 |
Triangular Pyramid
Length = nSurface area | 3.6283351675243E+14 |
---|---|
Volume | 2.8585375073522E+21 |
Height | 13645741.006484 |