28696821 (number)

28696821 is an odd 8-digits composite number following 28696820 and preceding 28696822. In scientific notation, it is written as 2.8696821 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 18124272 positive integers (up to 28696821) that are relatively prime to 28696821.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-six thousand eight hundred twenty-one

Notation

Scientific notation 2.8696821 × 10^7
Engineering notation 2.8696821 × 10^6

Prime Factorization of 28696821

Prime Factorization 57 × 503453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28696821
Product of the distinct prime numbers

The prime factorization of 28696821 is 57 × 503453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28696821)

Multiplication

n×y
n×2 57393642
n×3 86090463
n×4 114787284
n×5 143484105

Division

n÷y
n÷2 14348410.5
n÷3 9565607
n÷3 7174205.25
n÷5 5739364.2

Exponentiation

ny
n2 823507535506041
n3 2.3632048338568E+22
n4 6.7816466103523E+29
n5 1.9461169886254E+37

Nth Root

y√n
2√n 5356.9413847829
3√n 306.15728383114
4√n 73.191129139964
5√n 31.014640947123

Divisors of 28696821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28696820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28696821 can be divided by 4 positive divisors. The sum of these divisors (counting 28696821) is 1, the average is 0.25.

Base conversion 28696821

Base System Value
2 Binary 1101101011110000011110101
3 Ternary 1222222221122020
4 Quaternary 1231132003311
5 Quinary 24321244241
6 Senary 2503023353
8 Octal 155360365
10 Decimal 28696821
12 Duodecimal 973ab59
16 Hexadecimal 1b5e0f5
20 Vigesimal 8j7211
36 Base36 h32lx

Cryptographic Hash Functions

md5 60bb37f7b7f236c0193656650b8dc986
sha1 81e3f8d5f7535fda7d8bc1bbfa1a987720d88502
sha256 4aee7816662677bfb243e57ca3d26c82de1eb46251aabb4fac8cb220f98e525e
sha512 93d847533a34760dda9c2838c016b85c08e667b37e3a1b0d988eacd20518751a0eb1a50a1f5c5664c7b6649119253a0104c055e431aa2f07b9cc1d73eb75c241
ripemd-160 1a73fc7a42b47ad6a9949326bd4f4efe5c898c03

28696821 as geometric shapes

Circle

Radius = n
Diameter 57393642
Circumference 180307444.06996
Area 2.5871252237216E+15

Sphere

Radius = n
Volume 9.8989692599632E+22
Surface area 1.0348500894886E+16
Circumference 180307444.06996

Square

Length = n
Perimeter 114787284
Area 823507535506041
Diagonal 40583433.455193

Cube

Length = n
Surface area 4941045213036246
Volume 2.3632048338568E+22
Space diagonal 49704351.98771

Equilateral Triangle

Length = n
Perimeter 86090463
Area 3.5658922297807E+14
Altitude 24852175.993855

Triangular Pyramid

Length = n
Surface area 3.5658922297807E+14
Volume 2.7850636055883E+21
Height 13527811.151731