28742456 (number)

28742456 is an even 8-digits composite number following 28742455 and preceding 28742457. In scientific notation, it is written as 2.8742456 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 13300320 positive integers (up to 28742456) that are relatively prime to 28742456.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand four hundred fifty-six

Notation

Scientific notation 2.8742456 × 10^7
Engineering notation 2.8742456 × 10^6

Prime Factorization of 28742456

Prime Factorization 2 × 2 × 2 × 23 × 31 × 5039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7185614
Product of the distinct prime numbers

The prime factorization of 28742456 is 2 × 2 × 2 × 23 × 31 × 5039. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742456)

Multiplication

n×y
n×2 57484912
n×3 86227368
n×4 114969824
n×5 143712280

Division

n÷y
n÷2 14371228
n÷3 9580818.6666667
n÷3 7185614
n÷5 5748491.2

Exponentiation

ny
n2 826128776911936
n3 2.3744970020725E+22
n4 6.8248875604201E+29
n5 1.9616403041032E+37

Nth Root

y√n
2√n 5361.1991196
3√n 306.31948632912
4√n 73.220209775717
5√n 31.024498859217

Divisors of 28742456

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 -28742455
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 28742456 can be divided by 32 positive divisors. The sum of these divisors (counting 28742456) is 1, the average is 0.03125.

Base conversion 28742456

Base System Value
2 Binary 1101101101001001100111000
3 Ternary 2000002021020102
4 Quaternary 1231221030320
5 Quinary 24324224311
6 Senary 2504014532
8 Octal 155511470
10 Decimal 28742456
12 Duodecimal 9761448
16 Hexadecimal 1b69338
20 Vigesimal 8jcg2g
36 Base36 h41tk

Cryptographic Hash Functions

md5 fdaa2488ef5cfd6bc10ea89e16364039
sha1 19dfbe6a2e52e86dd5d52fb589ef7df09fc02d3b
sha256 9afa2b6d28b4885d434414b27fbee23ec67a747e6f6f3e9036fd13b1c5612b25
sha512 acfe92ec711c8a1627e2ba63de55be7e98214074c929fd35cb8bd0eaf627c4f5743c339bc1c7279533bb1006a2273102115ea192fc2b3806fa012ab3dfcac037
ripemd-160 c5664d6a9f7e2dd3e86ecaddb5d780b276ea4dd4

28742456 as geometric shapes

Circle

Radius = n
Diameter 57484912
Circumference 180594177.23146
Area 2.5953600964657E+15

Sphere

Radius = n
Volume 9.946269783576E+22
Surface area 1.0381440385863E+16
Circumference 180594177.23146

Square

Length = n
Perimeter 114969824
Area 826128776911936
Diagonal 40647971.091112

Cube

Length = n
Surface area 4956772661471616
Volume 2.3744970020725E+22
Space diagonal 49783394.126313

Equilateral Triangle

Length = n
Perimeter 86227368
Area 3.5772425380155E+14
Altitude 24891697.063156

Triangular Pyramid

Length = n
Surface area 3.5772425380155E+14
Volume 2.7983715534543E+21
Height 13549323.697037