28004881 (number)

28004881 is an odd 8-digits composite number following 28004880 and preceding 28004882. In scientific notation, it is written as 2.8004881 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 27530164 positive integers (up to 28004881) that are relatively prime to 28004881.

Interesting facts

Basic properties

Name

Name twenty-eight million four thousand eight hundred eighty-one

Notation

Scientific notation 2.8004881 × 10^7
Engineering notation 2.8004881 × 10^6

Prime Factorization of 28004881

Prime Factorization 59 × 474659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28004881
Product of the distinct prime numbers

The prime factorization of 28004881 is 59 × 474659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28004881)

Multiplication

n×y
n×2 56009762
n×3 84014643
n×4 112019524
n×5 140024405

Division

n÷y
n÷2 14002440.5
n÷3 9334960.3333333
n÷3 7001220.25
n÷5 5600976.2

Exponentiation

ny
n2 784273359824161
n3 2.1963482113346E+22
n4 6.1508470292988E+29
n5 1.7225373910472E+37

Nth Root

y√n
2√n 5291.9638131794
3√n 303.6765409133
4√n 72.745885197579
5√n 30.863611693564

Divisors of 28004881

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 -28004880
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 28004881 can be divided by 4 positive divisors. The sum of these divisors (counting 28004881) is 1, the average is 0.25.

Base conversion 28004881

Base System Value
2 Binary 1101010110101001000010001
3 Ternary 1221200210110211
4 Quaternary 1222311020101
5 Quinary 24132124011
6 Senary 2440124121
8 Octal 152651021
10 Decimal 28004881
12 Duodecimal 9466641
16 Hexadecimal 1ab5211
20 Vigesimal 8f0c41
36 Base36 go8pd

Cryptographic Hash Functions

md5 4a669d887d8879cd10d16492cb97a762
sha1 20c5cede45f35655a87f03d8d575f295e41324b2
sha256 d8fe60d72103f79f45a2e25b20bb38ec955d8e7450ce10b842b8e3a62c4ae683
sha512 556970124bb8a8e0e74ae33bf87349b59d533c44c1c8c460f75063f890065f57cd9737368ee5dff8b40f238be74884b057bc756a0b60274d43a0e31511be0fd5
ripemd-160 51581666f85bf387b80fd52d85e05eb6562ea4d4

28004881 as geometric shapes

Circle

Radius = n
Diameter 56009762
Circumference 175959856.82851
Area 2.4638674256298E+15

Sphere

Radius = n
Volume 9.2000418739384E+22
Surface area 9.8554697025191E+15
Circumference 175959856.82851

Square

Length = n
Perimeter 112019524
Area 784273359824161
Diagonal 39604882.522845

Cube

Length = n
Surface area 4705640158944966
Volume 2.1963482113346E+22
Space diagonal 48505876.75192

Equilateral Triangle

Length = n
Perimeter 84014643
Area 3.3960032655955E+14
Altitude 24252938.37596

Triangular Pyramid

Length = n
Surface area 3.3960032655955E+14
Volume 2.588421190136E+21
Height 13201627.507615