28949984 (number)
28949984 is an even 8-digits composite number following 28949983 and preceding 28949985. In scientific notation, it is written as 2.8949984 × 10^7. The sum of its digits is 53. It has a total of 9 prime factors and 72 positive divisors. There are 12047616 positive integers (up to 28949984) that are relatively prime to 28949984.
Interesting facts
- 28949984 has 72 divisors, whose sum is 68229000
- The reverse of 28949984 is 48994982
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 53
- Digital Root 8
Name
Name | twenty-eight million nine hundred forty-nine thousand nine hundred eighty-four |
---|
Notation
Scientific notation | 2.8949984 × 10^7 |
---|---|
Engineering notation | 2.8949984 × 10^6 |
Prime Factorization of 28949984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 7 × 37 × 499
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 258482 | Product of the distinct prime numbers |
The prime factorization of 28949984 is 2 × 2 × 2 × 2 × 2 × 7 × 7 × 37 × 499. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28949984)
Multiplication
n×yn×2 | 57899968 |
---|---|
n×3 | 86849952 |
n×4 | 115799936 |
n×5 | 144749920 |
Division
n÷yn÷2 | 14474992 |
---|---|
n÷3 | 9649994.6666667 |
n÷3 | 7237496 |
n÷5 | 5789996.8 |
Exponentiation
nyn2 | 838101573600256 |
---|---|
n3 | 2.4263027146102E+22 |
n4 | 7.0241424767123E+29 |
n5 | 2.0334881231454E+37 |
Nth Root
y√n2√n | 5380.5189340806 |
---|---|
3√n | 307.05495449436 |
4√n | 73.35202065438 |
5√n | 31.069171015495 |
Divisors of 28949984
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28949983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28949984 can be divided by 72 positive divisors. The sum of these divisors (counting 28949984) is 1, the average is 0.013888888888889.
Base conversion 28949984
Base | System | Value |
---|---|---|
2 | Binary | 1101110011011110111100000 |
3 | Ternary | 2000110210220122 |
4 | Quaternary | 1232123313200 |
5 | Quinary | 24402344414 |
6 | Senary | 2512255412 |
8 | Octal | 156336740 |
10 | Decimal | 28949984 |
12 | Duodecimal | 9841568 |
16 | Hexadecimal | 1b9bde0 |
20 | Vigesimal | 90iej4 |
36 | Base36 | h8hy8 |
Cryptographic Hash Functions
md5 | ef11be8d8d5ee2ea91c6a75f6b78f123 |
---|---|
sha1 | ab186e140b621b12821949a31fa04597613c31ae |
sha256 | 263a09e1aa153fa0ce515fd04be0d4a66beb6a873cdfcfa596c1b0d7747a426d |
sha512 | dd903666b1139b66532cff26646d8ae870972160cd938fbc1d87d0d2a8cb16f3e78efe599e7eee90ed9f3e9badeed8cd2e4dd9ad7718827b6c1f0b26b7ccc6c4 |
ripemd-160 | 87a771fdb5492032f94451b1805309b63a632205 |
28949984 as geometric shapes
Circle
Radius = nDiameter | 57899968 |
---|---|
Circumference | 181898114.11188 |
Area | 2.6329737465846E+15 |
Sphere
Radius = nVolume | 1.0163273044806E+23 |
---|---|
Surface area | 1.0531894986338E+16 |
Circumference | 181898114.11188 |
Square
Length = nPerimeter | 115799936 |
---|---|
Area | 838101573600256 |
Diagonal | 40941460.003284 |
Cube
Length = nSurface area | 5028609441601536 |
---|---|
Volume | 2.4263027146102E+22 |
Space diagonal | 50142843.166306 |
Equilateral Triangle
Length = nPerimeter | 86849952 |
---|---|
Area | 3.6290862684477E+14 |
Altitude | 25071421.583153 |
Triangular Pyramid
Length = nSurface area | 3.6290862684477E+14 |
---|---|
Volume | 2.859425171187E+21 |
Height | 13647153.334428 |