28839940 (number)

28839940 is an even 8-digits composite number following 28839939 and preceding 28839941. In scientific notation, it is written as 2.8839940 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 11509248 positive integers (up to 28839940) that are relatively prime to 28839940.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred thirty-nine thousand nine hundred forty

Notation

Scientific notation 2.8839940 × 10^7
Engineering notation 2.8839940 × 10^6

Prime Factorization of 28839940

Prime Factorization 2 × 2 × 5 × 509 × 2833

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14419970
Product of the distinct prime numbers

The prime factorization of 28839940 is 2 × 2 × 5 × 509 × 2833. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 31, 39, 260, 529, 744, 8775, 27358, 36146, 936628, 461234, 9104767, 466775, 38134559, 85951246, 734403925, 563111032, 5845338751, 8959402291

Basic calculations (n = 28839940)

Multiplication

n×y
n×2 57679880
n×3 86519820
n×4 115359760
n×5 144199700

Division

n÷y
n÷2 14419970
n÷3 9613313.3333333
n÷3 7209985
n÷5 5767988

Exponentiation

ny
n2 831742139203600
n3 2.3987393390103E+22
n4 6.9179498612698E+29
n5 1.9951325892203E+37

Nth Root

y√n
2√n 5370.2830465442
3√n 306.66540379652
4√n 73.282215076676
5√n 31.045515139241

Divisors of 28839940

1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 2833, 5090, 5666, 10180, 11332, 14165, 28330, 56660, 1441997, 2883994, 5767988, 7209985, 14419970, 28839940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28839939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28839940 can be divided by 24 positive divisors. The sum of these divisors (counting 28839940) is 1, the average is 0.041666666666667.

Base conversion 28839940

Base System Value
2 Binary 1101110000001000000000100
3 Ternary 2000021012221221
4 Quaternary 1232001000010
5 Quinary 24340334230
6 Senary 2510050124
8 Octal 156010004
10 Decimal 28839940
12 Duodecimal 97a9944
16 Hexadecimal 1b81004
20 Vigesimal 904jh0
36 Base36 h651g

Cryptographic Hash Functions

md5 4c10c6c66dba4ec09334407fdb80d307
sha1 1b9f909a805e86dbb18d9ae7401bb34e4ee60287
sha256 bd8f883755edbe42b4ec2317dde942d168c372afaef03fce7d6dfc45dd7e517a
sha512 c2a59306fd57c4ecae0fddfdbc5bfcbf53a09205a5d4d23fd67dd28ef2c0abe5e0d008f03357a1b986c7b0887bcaafcf177920f3e49d244d2025cd19959ced57
ripemd-160 2f8bbd920c52732f5813a07fa24ce03f1a69b502

28839940 as geometric shapes

Circle

Radius = n
Diameter 57679880
Circumference 181206687.26794
Area 2.6129949942031E+15

Sphere

Radius = n
Volume 1.0047815847082E+23
Surface area 1.0451979976812E+16
Circumference 181206687.26794

Square

Length = n
Perimeter 115359760
Area 831742139203600
Diagonal 40785834.286026

Cube

Length = n
Surface area 4990452835221600
Volume 2.3987393390103E+22
Space diagonal 49952241.367238

Equilateral Triangle

Length = n
Perimeter 86519820
Area 3.6015491097417E+14
Altitude 24976120.683619

Triangular Pyramid

Length = n
Surface area 3.6015491097417E+14
Volume 2.8269414215219E+21
Height 13595278.095342