28123456 (number)

28123456 is an even 8-digits composite number following 28123455 and preceding 28123457. In scientific notation, it is written as 2.8123456 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 14 positive divisors. There are 14061696 positive integers (up to 28123456) that are relatively prime to 28123456.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred twenty-three thousand four hundred fifty-six

Notation

Scientific notation 2.8123456 × 10^7
Engineering notation 2.8123456 × 10^6

Prime Factorization of 28123456

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 439429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 878858
Product of the distinct prime numbers

The prime factorization of 28123456 is 2 × 2 × 2 × 2 × 2 × 2 × 439429. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 3, 79, 77, 183, 117, 6330, 9499, 79361, 44347, 8325, 442572, 5229376, 2050932, 45886709, 19254577, 341645693, 783229596, 2448148373, 3682769043

Basic calculations (n = 28123456)

Multiplication

n×y
n×2 56246912
n×3 84370368
n×4 112493824
n×5 140617280

Division

n÷y
n÷2 14061728
n÷3 9374485.3333333
n÷3 7030864
n÷5 5624691.2

Exponentiation

ny
n2 790928777383936
n3 2.2243650669891E+22
n4 6.2556833089405E+29
n5 1.7593143428892E+37

Nth Root

y√n
2√n 5303.1552871852
3√n 304.10453468727
4√n 72.822766269795
5√n 30.889703361985

Divisors of 28123456

1, 2, 4, 8, 16, 32, 64, 439429, 878858, 1757716, 3515432, 7030864, 14061728, 28123456

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28123455
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28123456 can be divided by 14 positive divisors. The sum of these divisors (counting 28123456) is 1, the average is 0.071428571428571.

Base conversion 28123456

Base System Value
2 Binary 1101011010010000101000000
3 Ternary 1221220211010111
4 Quaternary 1223102011000
5 Quinary 24144422311
6 Senary 2442441104
8 Octal 153220500
10 Decimal 28123456
12 Duodecimal 9503194
16 Hexadecimal 1ad2140
20 Vigesimal 8ff8cg
36 Base36 gqs74

Cryptographic Hash Functions

md5 ecb388ae932dc5e4b16fcbb7a2498b7d
sha1 7c456f1be653b8dae0d98dd2bf7c1ca9567b6897
sha256 7ff6fadadabb5c1895f81e79bbdfe7101adced911a02d9476715b12d760d52e5
sha512 f217d799395ff48d9d803bbcdc66a51ac4f85f2b580e9dba0e87ebb2bf1994793730ee11327ce4fee243121a6039fcd49720b379adefcc89c818788c99142d28
ripemd-160 c6bf4c918b6df79d38360333fb9df0ca94e187a4

28123456 as geometric shapes

Circle

Radius = n
Diameter 56246912
Circumference 176704885.52631
Area 2.4847760365421E+15

Sphere

Radius = n
Volume 9.3173986044729E+22
Surface area 9.9391041461685E+15
Circumference 176704885.52631

Square

Length = n
Perimeter 112493824
Area 790928777383936
Diagonal 39772572.896003

Cube

Length = n
Surface area 4745572664303616
Volume 2.2243650669891E+22
Space diagonal 48711254.676428

Equilateral Triangle

Length = n
Perimeter 84370368
Area 3.4248220689933E+14
Altitude 24355627.338214

Triangular Pyramid

Length = n
Surface area 3.4248220689933E+14
Volume 2.6214393711708E+21
Height 13257524.298668