28706987 (number)

28706987 is an odd 8-digits prime number following 28706986 and preceding 28706988. In scientific notation, it is written as 2.8706987 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 28706986 positive integers (up to 28706987) that are relatively prime to 28706987.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred six thousand nine hundred eighty-seven

Notation

Scientific notation 2.8706987 × 10^7
Engineering notation 2.8706987 × 10^6

Prime Factorization of 28706987

Prime Factorization 28706987

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28706987
Product of the distinct prime numbers

The prime factorization of 28706987 is 28706987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28706987)

Multiplication

n×y
n×2 57413974
n×3 86120961
n×4 114827948
n×5 143534935

Division

n÷y
n÷2 14353493.5
n÷3 9568995.6666667
n÷3 7176746.75
n÷5 5741397.4

Exponentiation

ny
n2 824091102618169
n3 2.3657172569675E+22
n4 6.7912614541443E+29
n5 1.9495665427772E+37

Nth Root

y√n
2√n 5357.8901631146
3√n 306.19343217306
4√n 73.197610364783
5√n 31.016838055795

Divisors of 28706987

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28706988
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14353494
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5357.8902564349
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999303306
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28706987 can be divided by 2 positive divisors. The sum of these divisors (counting 28706987) is 28706988, the average is 14353494.

Base conversion 28706987

Base System Value
2 Binary 1101101100000100010101011
3 Ternary 2000000110120202
4 Quaternary 1231200202223
5 Quinary 24322110422
6 Senary 2503142415
8 Octal 155404253
10 Decimal 28706987
12 Duodecimal 9744a0b
16 Hexadecimal 1b608ab
20 Vigesimal 8j8797
36 Base36 h3agb

Cryptographic Hash Functions

md5 2486dffaccef34dd82182b3d975b6380
sha1 9068d5eb46b55fb5c8e39de6ad38dc6fd409d01a
sha256 b4943e5442522ee46d0a8128b7149f78181149a41a821b423b908145f1862164
sha512 c86ae257ecc5584f0200d660265aa9fc110f151cf84bacb4fedb197fd536482e89473bcf5ce36969d9db11cbde7a0d1fa6a3e291feb75f0a1e8bd607ffe8b9fc
ripemd-160 e52d28e03b2700823f02d3cd0cd3277da506c282

28706987 as geometric shapes

Circle

Radius = n
Diameter 57413974
Circumference 180371318.9318
Area 2.588958553874E+15

Sphere

Radius = n
Volume 9.9094932732798E+22
Surface area 1.0355834215496E+16
Circumference 180371318.9318

Square

Length = n
Perimeter 114827948
Area 824091102618169
Diagonal 40597810.350268

Cube

Length = n
Surface area 4944546615709014
Volume 2.3657172569675E+22
Space diagonal 49721960.016219

Equilateral Triangle

Length = n
Perimeter 86120961
Area 3.5684191495003E+14
Altitude 24860980.00811

Triangular Pyramid

Length = n
Surface area 3.5684191495003E+14
Volume 2.7880245246196E+21
Height 13532603.450089