28239621 (number)

28239621 is an odd 8-digits composite number following 28239620 and preceding 28239622. In scientific notation, it is written as 2.8239621 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 17924544 positive integers (up to 28239621) that are relatively prime to 28239621.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-nine thousand six hundred twenty-one

Notation

Scientific notation 2.8239621 × 10^7
Engineering notation 2.8239621 × 10^6

Prime Factorization of 28239621

Prime Factorization 3 × 37 × 47 × 5413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28239621
Product of the distinct prime numbers

The prime factorization of 28239621 is 3 × 37 × 47 × 5413. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 26, 69, 840, 918, 6955, 3793, 21878, 24107, 18321, 905043, 491646, 657603, 42075192, 86921189, 571969958, 903313871, 596738380, 8543001935

Basic calculations (n = 28239621)

Multiplication

n×y
n×2 56479242
n×3 84718863
n×4 112958484
n×5 141198105

Division

n÷y
n÷2 14119810.5
n÷3 9413207
n÷3 7059905.25
n÷5 5647924.2

Exponentiation

ny
n2 797476194223641
n3 2.2520425481398E+22
n4 6.3596828035342E+29
n5 1.7959503205202E+37

Nth Root

y√n
2√n 5314.096442482
3√n 304.52266461295
4√n 72.897849368016
5√n 30.915179522484

Divisors of 28239621

1, 3, 37, 47, 111, 141, 1739, 5217, 5413, 16239, 200281, 254411, 600843, 763233, 9413207, 28239621

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 -28239620
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 28239621 can be divided by 16 positive divisors. The sum of these divisors (counting 28239621) is 1, the average is 0.0625.

Base conversion 28239621

Base System Value
2 Binary 1101011101110011100000101
3 Ternary 1222010201110220
4 Quaternary 1223232130011
5 Quinary 24212131441
6 Senary 2445134553
8 Octal 153563405
10 Decimal 28239621
12 Duodecimal 955a459
16 Hexadecimal 1aee705
20 Vigesimal 8g9j11
36 Base36 gt9tx

Cryptographic Hash Functions

md5 6c8a4d899ee4c143b3282ace9a1793ad
sha1 b18b4a6df79c21408168e8a7a84e738c84e3e6d8
sha256 08f12b03b6cfeb18512f522e53a8c1bd048b2fde53c2f6394326b4c08601a459
sha512 0ca718fc38cfb34ff8645c7c7eb51b32e598aa01a5c8c252e7a27d0d9f7055ecb2a2bc9bc251779a44a30a64eab3a9e7f5f9bfd70f27bf1f12cb53a5d7443c01
ripemd-160 53002de30804fea386dc15f939b5f11abe8601fa

28239621 as geometric shapes

Circle

Radius = n
Diameter 56479242
Circumference 177434771.74752
Area 2.5053453531857E+15

Sphere

Radius = n
Volume 9.4333337664102E+22
Surface area 1.0021381412743E+16
Circumference 177434771.74752

Square

Length = n
Perimeter 112958484
Area 797476194223641
Diagonal 39936855.014476

Cube

Length = n
Surface area 4784857165341846
Volume 2.2520425481398E+22
Space diagonal 48912458.358489

Equilateral Triangle

Length = n
Perimeter 84718863
Area 3.453173215555E+14
Altitude 24456229.179245

Triangular Pyramid

Length = n
Surface area 3.453173215555E+14
Volume 2.6540575955171E+21
Height 13312285.004825