28444990 (number)

28444990 is an even 8-digits composite number following 28444989 and preceding 28444991. In scientific notation, it is written as 2.8444990 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 9751392 positive integers (up to 28444990) that are relatively prime to 28444990.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty-four thousand nine hundred ninety

Notation

Scientific notation 2.8444990 × 10^7
Engineering notation 2.8444990 × 10^6

Prime Factorization of 28444990

Prime Factorization 2 × 5 × 49 × 7 × 8293

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28444990
Product of the distinct prime numbers

The prime factorization of 28444990 is 2 × 5 × 49 × 7 × 8293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 64, 31, 701, 997, 4737, 1560, 93452, 33730, 278831, 443433, 4804982, 155549, 28837071, 81588580, 393767224, 786861363, 8053947400, 8683231576

Basic calculations (n = 28444990)

Multiplication

n×y
n×2 56889980
n×3 85334970
n×4 113779960
n×5 142224950

Division

n÷y
n÷2 14222495
n÷3 9481663.3333333
n÷3 7111247.5
n÷5 5688998

Exponentiation

ny
n2 809117456100100
n3 2.3015337947593E+22
n4 6.546710577659E+29
n5 1.862211169144E+37

Nth Root

y√n
2√n 5333.3844789214
3√n 305.25908291387
4√n 73.030024503087
5√n 30.960014619337

Divisors of 28444990

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8293, 16586, 41465, 58051, 82930, 116102, 290255, 406357, 580510, 812714, 2031785, 2844499, 4063570, 5688998, 14222495, 28444990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28444989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28444990 can be divided by 32 positive divisors. The sum of these divisors (counting 28444990) is 1, the average is 0.03125.

Base conversion 28444990

Base System Value
2 Binary 1101100100000100100111110
3 Ternary 1222112011012011
4 Quaternary 1230200210332
5 Quinary 24240214430
6 Senary 2453401434
8 Octal 154404476
10 Decimal 28444990
12 Duodecimal 963927a
16 Hexadecimal 1b2093e
20 Vigesimal 8hfc9a
36 Base36 gxoam

Cryptographic Hash Functions

md5 7cc9be7009ecf6ac3f32b8e72c6d8e07
sha1 5557ec2bdf912ffe094735e6be09a96c2ff25837
sha256 458593537512f300746eaed565bfa34bcac2745185f616261e81255b34902303
sha512 245972cfbad807ff8fa05a9609f4b41aa23c5fe28c360c02f6cfa1552b969fc45386fa9c9ea235a8b6fcb5424847d8715098bd71ef90ee62fb9342528d60cea1
ripemd-160 7666cb6d3fa406d64522bdc408835b0fac4e9ad1

28444990 as geometric shapes

Circle

Radius = n
Diameter 56889980
Circumference 178725143.23087
Area 2.5419174559753E+15

Sphere

Radius = n
Volume 9.6406422154725E+22
Surface area 1.0167669823901E+16
Circumference 178725143.23087

Square

Length = n
Perimeter 113779960
Area 809117456100100
Diagonal 40227290.639567

Cube

Length = n
Surface area 4854704736600600
Volume 2.3015337947593E+22
Space diagonal 49268167.900789

Equilateral Triangle

Length = n
Perimeter 85334970
Area 3.5035813581406E+14
Altitude 24634083.950394

Triangular Pyramid

Length = n
Surface area 3.5035813581406E+14
Volume 2.7123835890072E+21
Height 13409096.879856