28239145 (number)

28239145 is an odd 8-digits composite number following 28239144 and preceding 28239146. In scientific notation, it is written as 2.8239145 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 20537520 positive integers (up to 28239145) that are relatively prime to 28239145.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-nine thousand one hundred forty-five

Notation

Scientific notation 2.8239145 × 10^7
Engineering notation 2.8239145 × 10^6

Prime Factorization of 28239145

Prime Factorization 5 × 11 × 513439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28239145
Product of the distinct prime numbers

The prime factorization of 28239145 is 5 × 11 × 513439. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28239145)

Multiplication

n×y
n×2 56478290
n×3 84717435
n×4 112956580
n×5 141195725

Division

n÷y
n÷2 14119572.5
n÷3 9413048.3333333
n÷3 7059786.25
n÷5 5647829

Exponentiation

ny
n2 797449310331025
n3 2.2519286704588E+22
n4 6.3592540254743E+29
n5 1.795798965172E+37

Nth Root

y√n
2√n 5314.0516557519
3√n 304.52095361734
4√n 72.897542179088
5√n 30.915075302072

Divisors of 28239145

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 -28239144
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 28239145 can be divided by 8 positive divisors. The sum of these divisors (counting 28239145) is 1, the average is 0.125.

Base conversion 28239145

Base System Value
2 Binary 1101011101110010100101001
3 Ternary 1222010200211021
4 Quaternary 1223232110221
5 Quinary 24212123040
6 Senary 2445132441
8 Octal 153562451
10 Decimal 28239145
12 Duodecimal 955a121
16 Hexadecimal 1aee529
20 Vigesimal 8g9hh5
36 Base36 gt9gp

Cryptographic Hash Functions

md5 e01ee8e40b16d090c57ec38a9f20f1dc
sha1 732284f4b178996735e3bb2909e370be7bde553c
sha256 9ea4f1587c094e4ac761ae0e2ac6fe6d95b92bc976050f09bb14a8c2a0385a51
sha512 2e6c920d21b3537c6bd71a39b95659676730ae6115fa4289bd4429ab35f8efcd79cb3282702c672b66dbddb07a6f82fbfc3b16571a7755b384d1da35b970f73a
ripemd-160 2b7a109606d9ce8297ebd6d4124315a4323911ff

28239145 as geometric shapes

Circle

Radius = n
Diameter 56478290
Circumference 177431780.95131
Area 2.5052608949462E+15

Sphere

Radius = n
Volume 9.4328567566954E+22
Surface area 1.0021043579785E+16
Circumference 177431780.95131

Square

Length = n
Perimeter 112956580
Area 797449310331025
Diagonal 39936181.84882

Cube

Length = n
Surface area 4784695861986150
Volume 2.2519286704588E+22
Space diagonal 48911633.902305

Equilateral Triangle

Length = n
Perimeter 84717435
Area 3.4530568048852E+14
Altitude 24455816.951152

Triangular Pyramid

Length = n
Surface area 3.4530568048852E+14
Volume 2.653923389383E+21
Height 13312060.616273