28910439 (number)

28910439 is an odd 8-digits composite number following 28910438 and preceding 28910440. In scientific notation, it is written as 2.8910439 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 12 positive divisors. There are 19273464 positive integers (up to 28910439) that are relatively prime to 28910439.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ten thousand four hundred thirty-nine

Notation

Scientific notation 2.8910439 × 10^7
Engineering notation 2.8910439 × 10^6

Prime Factorization of 28910439

Prime Factorization 3 × 3 × 9 × 3 × 118973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3212271
Product of the distinct prime numbers

The prime factorization of 28910439 is 3 × 3 × 9 × 3 × 118973. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 75, 100, 97, 257, 6997, 7050, 80610, 55279, 476910, 289183, 8859355, 1675272, 65831587, 46868096, 787458848, 218387226, 6865253343, 5483125810

Basic calculations (n = 28910439)

Multiplication

n×y
n×2 57820878
n×3 86731317
n×4 115641756
n×5 144552195

Division

n÷y
n÷2 14455219.5
n÷3 9636813
n÷3 7227609.75
n÷5 5782087.8

Exponentiation

ny
n2 835813483172721
n3 2.4163734720642E+22
n4 6.9858417865332E+29
n5 2.0196375283322E+37

Nth Root

y√n
2√n 5376.8428468759
3√n 306.91508082857
4√n 73.326958527378
5√n 31.060678421989

Divisors of 28910439

1, 3, 9, 27, 81, 243, 118973, 356919, 1070757, 3212271, 9636813, 28910439

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28910438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28910439 can be divided by 12 positive divisors. The sum of these divisors (counting 28910439) is 1, the average is 0.083333333333333.

Base conversion 28910439

Base System Value
2 Binary 1101110010010001101100111
3 Ternary 2000101210200000
4 Quaternary 1232102031213
5 Quinary 24400113224
6 Senary 2511352343
8 Octal 156221547
10 Decimal 28910439
12 Duodecimal 98226b3
16 Hexadecimal 1b92367
20 Vigesimal 90dg1j
36 Base36 h7nfr

Cryptographic Hash Functions

md5 2cc2ceced0f561d7b7f5b58f62ac3c43
sha1 ca7b4c9d6232eaf0bbfeb570a112dc10b67beffe
sha256 b49d899bd6c9ef5f3e7dfd2965216b7868ece2746c7837dff6668d919e1f61ea
sha512 5a6cfa27c3cef121ddc4a090cc43338a8cb15dcbb93cad081130f7be2290c69201fe28bad65bb4854d05afd88e4d4cecf325642e696f707be6d6516c88e5d9a9
ripemd-160 7993a639bc1f7a1368fceac4433e3f9048367e71

28910439 as geometric shapes

Circle

Radius = n
Diameter 57820878
Circumference 181649645.54891
Area 2.6257854985067E+15

Sphere

Radius = n
Volume 1.0121681530888E+23
Surface area 1.0503141994027E+16
Circumference 181649645.54891

Square

Length = n
Perimeter 115641756
Area 835813483172721
Diagonal 40885534.92796

Cube

Length = n
Surface area 5014880899036326
Volume 2.4163734720642E+22
Space diagonal 50074349.217121

Equilateral Triangle

Length = n
Perimeter 86731317
Area 3.6191785462657E+14
Altitude 25037174.60856

Triangular Pyramid

Length = n
Surface area 3.6191785462657E+14
Volume 2.8477234466265E+21
Height 13628511.642653