28238730 (number)

28238730 is an even 8-digits composite number following 28238729 and preceding 28238731. In scientific notation, it is written as 2.8238730 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6831360 positive integers (up to 28238730) that are relatively prime to 28238730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8238730 × 10^7
Engineering notation 2.8238730 × 10^6

Prime Factorization of 28238730

Prime Factorization 2 × 13 × 15 × 61 × 1187

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28238730
Product of the distinct prime numbers

The prime factorization of 28238730 is 2 × 13 × 15 × 61 × 1187. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 66, 24, 865, 537, 6812, 4048, 52406, 12400, 957626, 784251, 1030497, 6252390, 37285885, 605962, 552720004, 779007508, 2559106828, 4302499786

Basic calculations (n = 28238730)

Multiplication

n×y
n×2 56477460
n×3 84716190
n×4 112954920
n×5 141193650

Division

n÷y
n÷2 14119365
n÷3 9412910
n÷3 7059682.5
n÷5 5647746

Exponentiation

ny
n2 797425872012900
n3 2.2518293894787E+22
n4 6.3588802135553E+29
n5 1.7956670145293E+37

Nth Root

y√n
2√n 5314.0126081898
3√n 304.51946187229
4√n 72.897274353639
5√n 30.91498443649

Divisors of 28238730

1, 2, 13, 15, 26, 30, 61, 122, 195, 390, 793, 915, 1187, 1586, 1830, 2374, 11895, 15431, 17805, 23790, 30862, 35610, 72407, 144814, 231465, 462930, 941291, 1086105, 1882582, 2172210, 14119365, 28238730

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 -28238729
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 28238730 can be divided by 32 positive divisors. The sum of these divisors (counting 28238730) is 1, the average is 0.03125.

Base conversion 28238730

Base System Value
2 Binary 1101011101110001110001010
3 Ternary 1222010200020220
4 Quaternary 1223232032022
5 Quinary 24212114410
6 Senary 2445130510
8 Octal 153561612
10 Decimal 28238730
12 Duodecimal 9559a36
16 Hexadecimal 1aee38a
20 Vigesimal 8g9gga
36 Base36 gt956

Cryptographic Hash Functions

md5 8a925e4c18e0a0aaaa1473c02f2763b7
sha1 576bd4321f6a08f02bc6c79008f23eebbae438c4
sha256 ecfd0071e42237562be7a2ae652544b513face67f0bb6706206ae94ebae4dfef
sha512 5d86633c6d2c598bbeb2c148ed17939361ba17cef1201ec14c62c328a0e2872001baa22d839ceb229e959ae6d1db3122d71962f25a861127ffffe73cb1a7c0d1
ripemd-160 fbba0e35ce743cfc7b1e8042f12589d8ac5fc93f

28238730 as geometric shapes

Circle

Radius = n
Diameter 56477460
Circumference 177429173.42941
Area 2.5051872612982E+15

Sphere

Radius = n
Volume 9.4324408894984E+22
Surface area 1.0020749045193E+16
Circumference 177429173.42941

Square

Length = n
Perimeter 112954920
Area 797425872012900
Diagonal 39935594.950192

Cube

Length = n
Surface area 4784555232077400
Volume 2.2518293894787E+22
Space diagonal 48910915.101219

Equilateral Triangle

Length = n
Perimeter 84716190
Area 3.4529553139906E+14
Altitude 24455457.55061

Triangular Pyramid

Length = n
Surface area 3.4529553139906E+14
Volume 2.6538063856259E+21
Height 13311864.983397