28661825 (number)

28661825 is an odd 8-digits composite number following 28661824 and preceding 28661826. In scientific notation, it is written as 2.8661825 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 22171200 positive integers (up to 28661825) that are relatively prime to 28661825.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-one thousand eight hundred twenty-five

Notation

Scientific notation 2.8661825 × 10^7
Engineering notation 2.8661825 × 10^6

Prime Factorization of 28661825

Prime Factorization 5 × 31 × 5 × 31 × 1193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 184915
Product of the distinct prime numbers

The prime factorization of 28661825 is 5 × 31 × 5 × 31 × 1193. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 1, 41, 32, 107, 781, 7086, 542, 91408, 64642, 48098, 119620, 8830593, 6631877, 17922047, 75285660, 110387421, 113438015, 1412158020, 7411694458

Basic calculations (n = 28661825)

Multiplication

n×y
n×2 57323650
n×3 85985475
n×4 114647300
n×5 143309125

Division

n÷y
n÷2 14330912.5
n÷3 9553941.6666667
n÷3 7165456.25
n÷5 5732365

Exponentiation

ny
n2 821500212330625
n3 2.3545695323283E+22
n4 6.7486259885926E+29
n5 1.9342793707549E+37

Nth Root

y√n
2√n 5353.6739721429
3√n 306.03277946367
4√n 73.168804637925
5√n 31.007072734475

Divisors of 28661825

1, 5, 25, 31, 155, 775, 961, 1193, 4805, 5965, 24025, 29825, 36983, 184915, 924575, 1146473, 5732365, 28661825

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28661824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28661825 can be divided by 18 positive divisors. The sum of these divisors (counting 28661825) is 1, the average is 0.055555555555556.

Base conversion 28661825

Base System Value
2 Binary 1101101010101100001000001
3 Ternary 1222221011122002
4 Quaternary 1231111201001
5 Quinary 24314134300
6 Senary 2502153345
8 Octal 155254101
10 Decimal 28661825
12 Duodecimal 9722855
16 Hexadecimal 1b55841
20 Vigesimal 8j2eb5
36 Base36 h2blt

Cryptographic Hash Functions

md5 b826d75894d5d940bf01a50c4696ab7e
sha1 3a33b3cf2d0fa3ae9b3be216940252722cfdbbcd
sha256 73109d82994985bf3db5c37353ac6092fcb0a10bf2120d803aac47f5485c9a03
sha512 c058c0a43bdcff6a2f47425cad4436b01f2b737a1c6cee5d71fd94b951cc1511172f17a1ce386138cb47b622b208b35e5f7a084b6764e3c739b1f666fc0cb2bc
ripemd-160 0138e3239395a0da37c9416fbcee7bbd1e1f1a1b

28661825 as geometric shapes

Circle

Radius = n
Diameter 57323650
Circumference 180087557.71695
Area 2.5808190319803E+15

Sphere

Radius = n
Volume 9.8627977935053E+22
Surface area 1.0323276127921E+16
Circumference 180087557.71695

Square

Length = n
Perimeter 114647300
Area 821500212330625
Diagonal 40533941.637364

Cube

Length = n
Surface area 4929001273983750
Volume 2.3545695323283E+22
Space diagonal 49643737.137648

Equilateral Triangle

Length = n
Perimeter 85985475
Area 3.5572002654632E+14
Altitude 24821868.568824

Triangular Pyramid

Length = n
Surface area 3.5572002654632E+14
Volume 2.774886805141E+21
Height 13511313.879121