28702971 (number)

28702971 is an odd 8-digits composite number following 28702970 and preceding 28702972. In scientific notation, it is written as 2.8702971 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 17395560 positive integers (up to 28702971) that are relatively prime to 28702971.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred two thousand nine hundred seventy-one

Notation

Scientific notation 2.8702971 × 10^7
Engineering notation 2.8702971 × 10^6

Prime Factorization of 28702971

Prime Factorization 9 × 11 × 3 × 96643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28702971
Product of the distinct prime numbers

The prime factorization of 28702971 is 9 × 11 × 3 × 96643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 51, 54, 796, 393, 1302, 5860, 69715, 86883, 12887, 357208, 2327188, 3209964, 98438927, 69642982, 256242818, 189668505, 126607684, 9884669714

Basic calculations (n = 28702971)

Multiplication

n×y
n×2 57405942
n×3 86108913
n×4 114811884
n×5 143514855

Division

n÷y
n÷2 14351485.5
n÷3 9567657
n÷3 7175742.75
n÷5 5740594.2

Exponentiation

ny
n2 823860544226841
n3 2.3647245308987E+22
n4 6.7874619633375E+29
n5 1.9482032389728E+37

Nth Root

y√n
2√n 5357.5153756196
3√n 306.17915306892
4√n 73.195050212563
5√n 31.015970179326

Divisors of 28702971

1, 3, 9, 11, 27, 33, 99, 297, 96643, 289929, 869787, 1063073, 2609361, 3189219, 9567657, 28702971

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 -28702970
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 28702971 can be divided by 16 positive divisors. The sum of these divisors (counting 28702971) is 1, the average is 0.0625.

Base conversion 28702971

Base System Value
2 Binary 1101101011111100011111011
3 Ternary 2000000021002000
4 Quaternary 1231133203323
5 Quinary 24321443341
6 Senary 2503112043
8 Octal 155374373
10 Decimal 28702971
12 Duodecimal 9742623
16 Hexadecimal 1b5f8fb
20 Vigesimal 8j7h8b
36 Base36 h37cr

Cryptographic Hash Functions

md5 51191aca6f30812ac9b733e36f64f5cf
sha1 afcb6c20f9fbb3e89038738ac3b111642c7b58e4
sha256 9caf0f771f761dedcd9d3585c16326a38cc476d5a73e77c7d85ffaf9b4e28071
sha512 fdf3cff841b8da1f175c4bbcb2f46105a253f6739fbb9aba056ff8a2fcc9f69f74f22c6191fa06bf1bd83e39630ec85086c4e9d1cd28d3a3437ee097827672e0
ripemd-160 01d91b74023427fe895fa3b7094428128aae10e9

28702971 as geometric shapes

Circle

Radius = n
Diameter 57405942
Circumference 180346085.6596
Area 2.5882342333255E+15

Sphere

Radius = n
Volume 9.9053349520467E+22
Surface area 1.0352936933302E+16
Circumference 180346085.6596

Square

Length = n
Perimeter 114811884
Area 823860544226841
Diagonal 40592130.868602

Cube

Length = n
Surface area 4943163265361046
Volume 2.3647245308987E+22
Space diagonal 49715004.100176

Equilateral Triangle

Length = n
Perimeter 86108913
Area 3.5674208023806E+14
Altitude 24857502.050088

Triangular Pyramid

Length = n
Surface area 3.5674208023806E+14
Volume 2.7868545857278E+21
Height 13530710.289534