28707904 (number)

28707904 is an even 8-digits composite number following 28707903 and preceding 28707905. In scientific notation, it is written as 2.8707904 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 14 positive divisors. There are 14353920 positive integers (up to 28707904) that are relatively prime to 28707904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8707904 × 10^7
Engineering notation 2.8707904 × 10^6

Prime Factorization of 28707904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 448561

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 897122
Product of the distinct prime numbers

The prime factorization of 28707904 is 2 × 2 × 2 × 2 × 2 × 2 × 448561. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 7, 90, 49, 668, 660, 8643, 4507, 6231, 97886, 357206, 980563, 2855788, 6892537, 61951011, 62958167, 400546689, 630996273, 2542308130, 8471151883

Basic calculations (n = 28707904)

Multiplication

n×y
n×2 57415808
n×3 86123712
n×4 114831616
n×5 143539520

Division

n÷y
n÷2 14353952
n÷3 9569301.3333333
n÷3 7176976
n÷5 5741580.8

Exponentiation

ny
n2 824143752073216
n3 2.3659439716718E+22
n4 6.7921292408132E+29
n5 1.9498779420086E+37

Nth Root

y√n
2√n 5357.9757371604
3√n 306.19669242915
4√n 73.198194903703
5√n 31.017036210182

Divisors of 28707904

1, 2, 4, 8, 16, 32, 64, 448561, 897122, 1794244, 3588488, 7176976, 14353952, 28707904

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28707903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28707904 can be divided by 14 positive divisors. The sum of these divisors (counting 28707904) is 1, the average is 0.071428571428571.

Base conversion 28707904

Base System Value
2 Binary 1101101100000110001000000
3 Ternary 2000000111211201
4 Quaternary 1231200301000
5 Quinary 24322123104
6 Senary 2503150544
8 Octal 155406100
10 Decimal 28707904
12 Duodecimal 9745454
16 Hexadecimal 1b60c40
20 Vigesimal 8j89f4
36 Base36 h3b5s

Cryptographic Hash Functions

md5 5c598f4cdc852983a56385f8578f8c93
sha1 fb4c73edce236d426039cb9742c314979187b8de
sha256 6c23376814e19e5d3c825960c7109ec1c150c1d2cfd079df6141930a9a6707b0
sha512 0a0577952f65251594530590ca24fd1f49045b3f0a48bb6a7c2366a5a57ca0291bfee4d34eb1038294aa6b905d72f5a16e58544505ad5bb28b3f0eade993b69a
ripemd-160 6639f921f937d32266ecdf60f588771fe08eea4f

28707904 as geometric shapes

Circle

Radius = n
Diameter 57415808
Circumference 180377080.61272
Area 2.5891239570151E+15

Sphere

Radius = n
Volume 9.9104429336121E+22
Surface area 1.0356495828061E+16
Circumference 180377080.61272

Square

Length = n
Perimeter 114831616
Area 824143752073216
Diagonal 40599107.184105

Cube

Length = n
Surface area 4944862512439296
Volume 2.3659439716718E+22
Space diagonal 49723548.30681

Equilateral Triangle

Length = n
Perimeter 86123712
Area 3.5686471283281E+14
Altitude 24861774.153405

Triangular Pyramid

Length = n
Surface area 3.5686471283281E+14
Volume 2.7882917104609E+21
Height 13533035.728035