28804987 (number)

28804987 is an odd 8-digits composite number following 28804986 and preceding 28804988. In scientific notation, it is written as 2.8804987 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 27063552 positive integers (up to 28804987) that are relatively prime to 28804987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804987 × 10^7
Engineering notation 2.8804987 × 10^6

Prime Factorization of 28804987

Prime Factorization 17 × 2153 × 787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28804987
Product of the distinct prime numbers

The prime factorization of 28804987 is 17 × 2153 × 787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804987)

Multiplication

n×y
n×2 57609974
n×3 86414961
n×4 115219948
n×5 144024935

Division

n÷y
n÷2 14402493.5
n÷3 9601662.3333333
n÷3 7201246.75
n÷5 5760997.4

Exponentiation

ny
n2 829727276070169
n3 2.3900283400747E+22
n4 6.8844735265482E+29
n5 1.9830717043407E+37

Nth Root

y√n
2√n 5367.027762179
3√n 306.5414644601
4√n 73.260001106873
5√n 31.037986272459

Divisors of 28804987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28804986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28804987 can be divided by 8 positive divisors. The sum of these divisors (counting 28804987) is 1, the average is 0.125.

Base conversion 28804987

Base System Value
2 Binary 1101101111000011101111011
3 Ternary 2000012110000101
4 Quaternary 1231320131323
5 Quinary 24333224422
6 Senary 2505220231
8 Octal 155703573
10 Decimal 28804987
12 Duodecimal 9791677
16 Hexadecimal 1b7877b
20 Vigesimal 900c97
36 Base36 h5e2j

Cryptographic Hash Functions

md5 07843f0605a51f142ff9ed16b37cf908
sha1 9a4d5615c146572fb5555f5d9d18aabb8c541e6a
sha256 600833e257d28a924a4e8d48d8db6637b48f5a2c8197d10dc50f979888c6ce29
sha512 258768a6383474e3107a921f93f52b61c96e8c8877a3e9247fba8ffdb02b85999b2c3a7f536b5e414e28ee16927b9b344043cc42f19fb113c33fdc3ba1d014ca
ripemd-160 eab30cc40b55dac2591680a3b2f03032d2c43e3a

28804987 as geometric shapes

Circle

Radius = n
Diameter 57609974
Circumference 180987071.0919
Area 2.6066651149851E+15

Sphere

Radius = n
Volume 1.0011327300067E+23
Surface area 1.042666045994E+16
Circumference 180987071.0919

Square

Length = n
Perimeter 115219948
Area 829727276070169
Diagonal 40736403.279381

Cube

Length = n
Surface area 4978363656421014
Volume 2.3900283400747E+22
Space diagonal 49891700.995361

Equilateral Triangle

Length = n
Perimeter 86414961
Area 3.5928244964482E+14
Altitude 24945850.497681

Triangular Pyramid

Length = n
Surface area 3.5928244964482E+14
Volume 2.8166754108247E+21
Height 13578801.093127