28391108 (number)

28391108 is an even 8-digits composite number following 28391107 and preceding 28391109. In scientific notation, it is written as 2.8391108 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 13353120 positive integers (up to 28391108) that are relatively prime to 28391108.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand one hundred eight

Notation

Scientific notation 2.8391108 × 10^7
Engineering notation 2.8391108 × 10^6

Prime Factorization of 28391108

Prime Factorization 2 × 2 × 23 × 61 × 5059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14195554
Product of the distinct prime numbers

The prime factorization of 28391108 is 2 × 2 × 23 × 61 × 5059. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 71, 90, 279, 294, 5623, 341, 99840, 50764, 57704, 564280, 7175820, 6000125, 4596144, 79221137, 276544198, 144003454, 3195747402, 6525066459

Basic calculations (n = 28391108)

Multiplication

n×y
n×2 56782216
n×3 85173324
n×4 113564432
n×5 141955540

Division

n÷y
n÷2 14195554
n÷3 9463702.6666667
n÷3 7097777
n÷5 5678221.6

Exponentiation

ny
n2 806055013467664
n3 2.2884794941302E+22
n4 6.4972468473636E+29
n5 1.8446403694616E+37

Nth Root

y√n
2√n 5328.330695443
3√n 305.06621513193
4√n 72.995415578261
5√n 30.948276503531

Divisors of 28391108

1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 5059, 5612, 10118, 20236, 116357, 232714, 308599, 465428, 617198, 1234396, 7097777, 14195554, 28391108

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391107
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391108 can be divided by 24 positive divisors. The sum of these divisors (counting 28391108) is 1, the average is 0.041666666666667.

Base conversion 28391108

Base System Value
2 Binary 1101100010011011011000100
3 Ternary 1222102102021112
4 Quaternary 1230103123010
5 Quinary 24232003413
6 Senary 2452304152
8 Octal 154233304
10 Decimal 28391108
12 Duodecimal 9612058
16 Hexadecimal 1b136c4
20 Vigesimal 8h8hf8
36 Base36 gwipw

Cryptographic Hash Functions

md5 72f29b88eb0ddcb1dc3951765662c969
sha1 2c2f94b93a4dffa42fe46839ca6a7946343233a9
sha256 3d4c931dc7b92e173e93b6e3558d1a8812a2901851dfab0882199f8f80bde9f0
sha512 08997077b48487457fb103e894c48e1546d7378a734622618466c51ca77409681c4d5c44c97f6d2d3e262735d2bc4a53010bccd2f025e383dc6a86d92c632efb
ripemd-160 135d765d5daa546d4461acedb89a708486a0b0d3

28391108 as geometric shapes

Circle

Radius = n
Diameter 56782216
Circumference 178386592.64015
Area 2.5322965086992E+15

Sphere

Radius = n
Volume 9.5859604888671E+22
Surface area 1.0129186034797E+16
Circumference 178386592.64015

Square

Length = n
Perimeter 113564432
Area 806055013467664
Diagonal 40151089.984399

Cube

Length = n
Surface area 4836330080805984
Volume 2.2884794941302E+22
Space diagonal 49174841.539175

Equilateral Triangle

Length = n
Perimeter 85173324
Area 3.490320592554E+14
Altitude 24587420.769588

Triangular Pyramid

Length = n
Surface area 3.490320592554E+14
Volume 2.6969989481764E+21
Height 13383696.661466