28685655 (number)

28685655 is an odd 8-digits composite number following 28685654 and preceding 28685656. In scientific notation, it is written as 2.8685655 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 15298992 positive integers (up to 28685655) that are relatively prime to 28685655.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-five thousand six hundred fifty-five

Notation

Scientific notation 2.8685655 × 10^7
Engineering notation 2.8685655 × 10^6

Prime Factorization of 28685655

Prime Factorization 3 × 3 × 5 × 637459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9561885
Product of the distinct prime numbers

The prime factorization of 28685655 is 3 × 3 × 5 × 637459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 17, 32, 652, 471, 6807, 7780, 27321, 84202, 768500, 874530, 6207489, 4795795, 64340205, 80590361, 573137488, 219904156, 9536685255, 3191328986

Basic calculations (n = 28685655)

Multiplication

n×y
n×2 57371310
n×3 86056965
n×4 114742620
n×5 143428275

Division

n÷y
n÷2 14342827.5
n÷3 9561885
n÷3 7171413.75
n÷5 5737131

Exponentiation

ny
n2 822866802779025
n3 2.3604473215472E+22
n4 6.7710977511577E+29
n5 1.9423337406099E+37

Nth Root

y√n
2√n 5355.8990841875
3√n 306.11756984196
4√n 73.184008391092
5√n 31.012226997555

Divisors of 28685655

1, 3, 5, 9, 15, 45, 637459, 1912377, 3187295, 5737131, 9561885, 28685655

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28685654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28685655 can be divided by 12 positive divisors. The sum of these divisors (counting 28685655) is 1, the average is 0.083333333333333.

Base conversion 28685655

Base System Value
2 Binary 1101101011011010101010111
3 Ternary 1222222101022200
4 Quaternary 1231123111113
5 Quinary 24320420110
6 Senary 2502455543
8 Octal 155332527
10 Decimal 28685655
12 Duodecimal 97345b3
16 Hexadecimal 1b5b557
20 Vigesimal 8j5e2f
36 Base36 h2tzr

Cryptographic Hash Functions

md5 c52548a579a4f2fd889a69efaccb4627
sha1 9c63910261cdfcf9ac6271efc9bd634e3142bf13
sha256 cae0bbe69819b74240ceaafad3591adf64892d4d9149b06f5da563010ce98707
sha512 5852b92c04d0768c029300c591758d27f8faa8f33f0348a01c4b9592264f766b2a6799cdecbf41fdcec02ad81bb8db13eb5f3615db4832b6dd4f575bc7965c2b
ripemd-160 281fa7a60c8cd139bb6b12d9f5f78ece8780fcbb

28685655 as geometric shapes

Circle

Radius = n
Diameter 57371310
Circumference 180237286.02282
Area 2.5851123024935E+15

Sphere

Radius = n
Volume 9.8874186194112E+22
Surface area 1.0340449209974E+16
Circumference 180237286.02282

Square

Length = n
Perimeter 114742620
Area 822866802779025
Diagonal 40567642.346556

Cube

Length = n
Surface area 4937200816674150
Volume 2.3604473215472E+22
Space diagonal 49685011.908392

Equilateral Triangle

Length = n
Perimeter 86056965
Area 3.5631177756876E+14
Altitude 24842505.954196

Triangular Pyramid

Length = n
Surface area 3.5631177756876E+14
Volume 2.7818138461661E+21
Height 13522547.448852