28304787 (number)

28304787 is an odd 8-digits composite number following 28304786 and preceding 28304788. In scientific notation, it is written as 2.8304787 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 16072992 positive integers (up to 28304787) that are relatively prime to 28304787.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred four thousand seven hundred eighty-seven

Notation

Scientific notation 2.8304787 × 10^7
Engineering notation 2.8304787 × 10^6

Prime Factorization of 28304787

Prime Factorization 3 × 7 × 163 × 8269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28304787
Product of the distinct prime numbers

The prime factorization of 28304787 is 3 × 7 × 163 × 8269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 85, 62, 140, 979, 1683, 444, 73684, 7420, 642700, 972799, 1942648, 2509822, 36599608, 43458576, 214708266, 523517181, 7522710112, 1829744385

Basic calculations (n = 28304787)

Multiplication

n×y
n×2 56609574
n×3 84914361
n×4 113219148
n×5 141523935

Division

n÷y
n÷2 14152393.5
n÷3 9434929
n÷3 7076196.75
n÷5 5660957.4

Exponentiation

ny
n2 801160967115369
n3 2.2676690526915E+22
n4 6.4185889522923E+29
n5 1.8167679313519E+37

Nth Root

y√n
2√n 5320.2243373753
3√n 304.75672440002
4√n 72.939867955565
5√n 30.929434399195

Divisors of 28304787

1, 3, 7, 21, 163, 489, 1141, 3423, 8269, 24807, 57883, 173649, 1347847, 4043541, 9434929, 28304787

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28304786
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28304787 can be divided by 16 positive divisors. The sum of these divisors (counting 28304787) is 1, the average is 0.0625.

Base conversion 28304787

Base System Value
2 Binary 1101011111110010110010011
3 Ternary 1222021000212110
4 Quaternary 1223332112103
5 Quinary 24221223122
6 Senary 2450400403
8 Octal 153762623
10 Decimal 28304787
12 Duodecimal 9590103
16 Hexadecimal 1afe593
20 Vigesimal 8gi1j7
36 Base36 guo43

Cryptographic Hash Functions

md5 cbd25277304d1675b04a27bfee507397
sha1 b602c3c38e5b1122cde034fd6d2aeccc98c2ecf8
sha256 839f2d11dd84f95ff61a5b1bd39a82f3d6fc978e2f032a9430d06c8208e04234
sha512 04b4857a205aaab201bea9c9d8a3e1adfb78198db9db775a707c6b83ca70698e965bbbeae5aec6926245daf079d8c10ec41bf957bc3d5b9d3abaad132152a46e
ripemd-160 1fe6a21b07181f6ab6a731547dc14d564228a7d8

28304787 as geometric shapes

Circle

Radius = n
Diameter 56609574
Circumference 177844221.80125
Area 2.5169214086325E+15

Sphere

Radius = n
Volume 9.4987899156112E+22
Surface area 1.006768563453E+16
Circumference 177844221.80125

Square

Length = n
Perimeter 113219148
Area 801160967115369
Diagonal 40029013.655482

Cube

Length = n
Surface area 4806965802692214
Volume 2.2676690526915E+22
Space diagonal 49025329.181415

Equilateral Triangle

Length = n
Perimeter 84914361
Area 3.4691287502121E+14
Altitude 24512664.590708

Triangular Pyramid

Length = n
Surface area 3.4691287502121E+14
Volume 2.6724736077417E+21
Height 13343004.551827