28405965 (number)

28405965 is an odd 8-digits composite number following 28405964 and preceding 28405966. In scientific notation, it is written as 2.8405965 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12847104 positive integers (up to 28405965) that are relatively prime to 28405965.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred five thousand nine hundred sixty-five

Notation

Scientific notation 2.8405965 × 10^7
Engineering notation 2.8405965 × 10^6

Prime Factorization of 28405965

Prime Factorization 15 × 7 × 97 × 2789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28405965
Product of the distinct prime numbers

The prime factorization of 28405965 is 15 × 7 × 97 × 2789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 45, 26, 457, 11, 7668, 3472, 43225, 99154, 742631, 564381, 2192619, 7699750, 48777865, 64318017, 291300985, 567601057, 77119640, 6884862510

Basic calculations (n = 28405965)

Multiplication

n×y
n×2 56811930
n×3 85217895
n×4 113623860
n×5 142029825

Division

n÷y
n÷2 14202982.5
n÷3 9468655
n÷3 7101491.25
n÷5 5681193

Exponentiation

ny
n2 806898847581225
n3 2.2920740422933E+22
n4 6.5108575022791E+29
n5 1.8494719032973E+37

Nth Root

y√n
2√n 5329.7246645582
3√n 305.11941932994
4√n 73.004963287151
5√n 30.951514857804

Divisors of 28405965

1, 7, 15, 97, 105, 679, 1455, 2789, 10185, 19523, 41835, 270533, 292845, 1893731, 4057995, 28405965

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 -28405964
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 28405965 can be divided by 16 positive divisors. The sum of these divisors (counting 28405965) is 1, the average is 0.0625.

Base conversion 28405965

Base System Value
2 Binary 1101100010111000011001101
3 Ternary 1222110011122210
4 Quaternary 1230113003031
5 Quinary 24232442330
6 Senary 2452501033
8 Octal 154270315
10 Decimal 28405965
12 Duodecimal 961a779
16 Hexadecimal 1b170cd
20 Vigesimal 8haei5
36 Base36 gwu6l

Cryptographic Hash Functions

md5 fb5ae9f365fb7bad24be6433782f1c10
sha1 d84fb87827341f935bf6b7d01c89ac482b0932d1
sha256 72685c1fe571aa7eef0e30c392ebe583f0a4eae4a80122b03de232bd105bb404
sha512 28762e02dde4ef8352bdb6dfacb24851317ad2b3a2ca69dbd125ea6c34a9dbdaf849e2dcd495028853849a173b2103dd79fa5a2ac0f05af413b5f588968718fd
ripemd-160 fe27848a39158c638a5e4ceb0e51f2792ef6b245

28405965 as geometric shapes

Circle

Radius = n
Diameter 56811930
Circumference 178479941.92426
Area 2.5349474917512E+15

Sphere

Radius = n
Volume 9.6010172970032E+22
Surface area 1.0139789967005E+16
Circumference 178479941.92426

Square

Length = n
Perimeter 113623860
Area 806898847581225
Diagonal 40172100.955295

Cube

Length = n
Surface area 4841393085487350
Volume 2.2920740422933E+22
Space diagonal 49200574.618023

Equilateral Triangle

Length = n
Perimeter 85217895
Area 3.4939745014486E+14
Altitude 24600287.309012

Triangular Pyramid

Length = n
Surface area 3.4939745014486E+14
Volume 2.701235163812E+21
Height 13390700.318432