28805621 (number)

28805621 is an odd 8-digits composite number following 28805620 and preceding 28805622. In scientific notation, it is written as 2.8805621 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 26353152 positive integers (up to 28805621) that are relatively prime to 28805621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8805621 × 10^7
Engineering notation 2.8805621 × 10^6

Prime Factorization of 28805621

Prime Factorization 13 × 113 × 19609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28805621
Product of the distinct prime numbers

The prime factorization of 28805621 is 13 × 113 × 19609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28805621)

Multiplication

n×y
n×2 57611242
n×3 86416863
n×4 115222484
n×5 144028105

Division

n÷y
n÷2 14402810.5
n÷3 9601873.6666667
n÷3 7201405.25
n÷5 5761124.2

Exponentiation

ny
n2 829763801195641
n3 2.3901861576761E+22
n4 6.8850796577464E+29
n5 1.9832899517585E+37

Nth Root

y√n
2√n 5367.0868262028
3√n 306.54371344408
4√n 73.260404218123
5√n 31.038122900954

Divisors of 28805621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28805620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28805621 can be divided by 8 positive divisors. The sum of these divisors (counting 28805621) is 1, the average is 0.125.

Base conversion 28805621

Base System Value
2 Binary 1101101111000100111110101
3 Ternary 2000012110212212
4 Quaternary 1231320213311
5 Quinary 24333234441
6 Senary 2505223205
8 Octal 155704765
10 Decimal 28805621
12 Duodecimal 9791b05
16 Hexadecimal 1b789f5
20 Vigesimal 900e11
36 Base36 h5ek5

Cryptographic Hash Functions

md5 e6c7683833074535987ed3639935ae3a
sha1 c02ada7866b0547ef7e5cea3020f0b8ea40cfd6d
sha256 972324821c06581c8c3d4688251c147e9b7f021ced0243f95ecc8bb44acbe7e5
sha512 5e03ca05cd90c4008c7618090affdb658257a4951cef8523fb6071938a43c2bb252344518ecbe2ea2e27f503d04b1d14e307f25ba7cf6928dccf420f19bc9571
ripemd-160 59dbbe434aad782abf7601f19b7300da288bf36a

28805621 as geometric shapes

Circle

Radius = n
Diameter 57611242
Circumference 180991054.63138
Area 2.606779862051E+15

Sphere

Radius = n
Volume 1.001198836489E+23
Surface area 1.0427119448204E+16
Circumference 180991054.63138

Square

Length = n
Perimeter 115222484
Area 829763801195641
Diagonal 40737299.890779

Cube

Length = n
Surface area 4978582807173846
Volume 2.3901861576761E+22
Space diagonal 49892799.115573

Equilateral Triangle

Length = n
Perimeter 86416863
Area 3.5929826548808E+14
Altitude 24946399.557787

Triangular Pyramid

Length = n
Surface area 3.5929826548808E+14
Volume 2.8168614006516E+21
Height 13579099.963593