28285738 (number)

28285738 is an even 8-digits composite number following 28285737 and preceding 28285739. In scientific notation, it is written as 2.8285738 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 13017600 positive integers (up to 28285738) that are relatively prime to 28285738.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-five thousand seven hundred thirty-eight

Notation

Scientific notation 2.8285738 × 10^7
Engineering notation 2.8285738 × 10^6

Prime Factorization of 28285738

Prime Factorization 2 × 13 × 401 × 2713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28285738
Product of the distinct prime numbers

The prime factorization of 28285738 is 2 × 13 × 401 × 2713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 49, 21, 441, 422, 246, 7498, 64994, 56173, 857099, 920535, 9657831, 4273375, 57094080, 15084111, 514799236, 905866750, 6837379015, 6611482148

Basic calculations (n = 28285738)

Multiplication

n×y
n×2 56571476
n×3 84857214
n×4 113142952
n×5 141428690

Division

n÷y
n÷2 14142869
n÷3 9428579.3333333
n÷3 7071434.5
n÷5 5657147.6

Exponentiation

ny
n2 800082974204644
n3 2.2630937386613E+22
n4 6.4013276561215E+29
n5 1.8106627693321E+37

Nth Root

y√n
2√n 5318.4337920106
3√n 304.68834240223
4√n 72.927592802797
5√n 30.925270202766

Divisors of 28285738

1, 2, 13, 26, 401, 802, 2713, 5213, 5426, 10426, 35269, 70538, 1087913, 2175826, 14142869, 28285738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28285737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28285738 can be divided by 16 positive divisors. The sum of these divisors (counting 28285738) is 1, the average is 0.0625.

Base conversion 28285738

Base System Value
2 Binary 1101011111001101100101010
3 Ternary 1222020001201221
4 Quaternary 1223321230222
5 Quinary 24220120423
6 Senary 2450132254
8 Octal 153715452
10 Decimal 28285738
12 Duodecimal 958108a
16 Hexadecimal 1af9b2a
20 Vigesimal 8gfe6i
36 Base36 gu9ey

Cryptographic Hash Functions

md5 04cee7771d1eef8250df0b70632ad2d5
sha1 e83e71e20aba2099d581a205cc67541820bfdd30
sha256 06b7b302aaf6b479b5a32b92fd56f33465c4ee01da3d2523a0875bc02e978d37
sha512 dabd063a51906b7cab106ace3539809f0b67d0bab7b60e86a9253b6fd798ef0b73e0b57fcc93aa9e3799e0522918e063ced51eaf4a486ed079a85bd5167a0e20
ripemd-160 dae548ac643d751da487441e8e91b979f0d19276

28285738 as geometric shapes

Circle

Radius = n
Diameter 56571476
Circumference 177724533.40433
Area 2.5135347940236E+15

Sphere

Radius = n
Volume 9.479624885018E+22
Surface area 1.0054139176094E+16
Circumference 177724533.40433

Square

Length = n
Perimeter 113142952
Area 800082974204644
Diagonal 40002074.301332

Cube

Length = n
Surface area 4800497845227864
Volume 2.2630937386613E+22
Space diagonal 48992335.345582

Equilateral Triangle

Length = n
Perimeter 84857214
Area 3.4644609039832E+14
Altitude 24496167.672791

Triangular Pyramid

Length = n
Surface area 3.4644609039832E+14
Volume 2.6670815484471E+21
Height 13334024.767111