28939928 (number)

28939928 is an even 8-digits composite number following 28939927 and preceding 28939929. In scientific notation, it is written as 2.8939928 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 8 positive divisors. There are 14469960 positive integers (up to 28939928) that are relatively prime to 28939928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939928 × 10^7
Engineering notation 2.8939928 × 10^6

Prime Factorization of 28939928

Prime Factorization 2 × 2 × 2 × 3617491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7234982
Product of the distinct prime numbers

The prime factorization of 28939928 is 2 × 2 × 2 × 3617491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 100, 41, 789, 274, 2867, 9011, 49871, 55687, 350088, 59233, 3429249, 3870896, 97693803, 21657790, 225577126, 618926890, 4203254650, 8911224212

Basic calculations (n = 28939928)

Multiplication

n×y
n×2 57879856
n×3 86819784
n×4 115759712
n×5 144699640

Division

n÷y
n÷2 14469964
n÷3 9646642.6666667
n÷3 7234982
n÷5 5787985.6

Exponentiation

ny
n2 837519432645184
n3 2.4237752079352E+22
n4 7.0143880005831E+29
n5 2.0299588370094E+37

Nth Root

y√n
2√n 5379.5843705625
3√n 307.01939774231
4√n 73.345649977095
5√n 31.067012292347

Divisors of 28939928

1, 2, 4, 8, 3617491, 7234982, 14469964, 28939928

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 -28939927
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 28939928 can be divided by 8 positive divisors. The sum of these divisors (counting 28939928) is 1, the average is 0.125.

Base conversion 28939928

Base System Value
2 Binary 1101110011001011010011000
3 Ternary 2000110022010012
4 Quaternary 1232121122120
5 Quinary 24402034203
6 Senary 2512141052
8 Octal 156313230
10 Decimal 28939928
12 Duodecimal 9837788
16 Hexadecimal 1b99698
20 Vigesimal 90h9g8
36 Base36 h8a6w

Cryptographic Hash Functions

md5 fe0427642059f78257fa014c9edfa580
sha1 de9b28109360fbbae7378bbf6ae458a48928f5e4
sha256 db67446d7da2cbcc925c4407b522fd96e7960f7c360bcd1883d64de05f9d60f9
sha512 85d1eb2c1c7d8189610d3251bfe7731b9928cfc2b2e148a159b803391b404c2f227619e8b747530a906e6ec7439415788456025533295f4e949d3c43756f1263
ripemd-160 2436ea678afba5343bd973b700a7b5a8ddbf763b

28939928 as geometric shapes

Circle

Radius = n
Diameter 57879856
Circumference 181834930.40044
Area 2.6311448968368E+15

Sphere

Radius = n
Volume 1.0152685849603E+23
Surface area 1.0524579587347E+16
Circumference 181834930.40044

Square

Length = n
Perimeter 115759712
Area 837519432645184
Diagonal 40927238.671701

Cube

Length = n
Surface area 5025116595871104
Volume 2.4237752079352E+22
Space diagonal 50125425.663385

Equilateral Triangle

Length = n
Perimeter 86819784
Area 3.6265655241693E+14
Altitude 25062712.831693

Triangular Pyramid

Length = n
Surface area 3.6265655241693E+14
Volume 2.8564464760047E+21
Height 13642412.890567