28105440 (number)

28105440 is an even 8-digits composite number following 28105439 and preceding 28105441. In scientific notation, it is written as 2.8105440 × 10^7. The sum of its digits is 24. It has a total of 9 prime factors and 96 positive divisors. There are 6812160 positive integers (up to 28105440) that are relatively prime to 28105440.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred five thousand four hundred forty

Notation

Scientific notation 2.8105440 × 10^7
Engineering notation 2.8105440 × 10^6

Prime Factorization of 28105440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 11 × 5 × 5323

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1756590
Product of the distinct prime numbers

The prime factorization of 28105440 is 2 × 2 × 2 × 2 × 2 × 3 × 11 × 5 × 5323. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28105440)

Multiplication

n×y
n×2 56210880
n×3 84316320
n×4 112421760
n×5 140527200

Division

n÷y
n÷2 14052720
n÷3 9368480
n÷3 7026360
n÷5 5621088

Exponentiation

ny
n2 789915757593600
n3 2.2200929930101E+22
n4 6.2396690409467E+29
n5 1.7536864385019E+37

Nth Root

y√n
2√n 5301.4564036687
3√n 304.03958394988
4√n 72.8111008272
5√n 30.885744733633

Divisors of 28105440

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28105439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28105440 can be divided by 96 positive divisors. The sum of these divisors (counting 28105440) is 1, the average is 0.010416666666667.

Base conversion 28105440

Base System Value
2 Binary 1101011001101101011100000
3 Ternary 1221212220102020
4 Quaternary 1223031223200
5 Quinary 24143333230
6 Senary 2442221440
8 Octal 153155340
10 Decimal 28105440
12 Duodecimal 94b4880
16 Hexadecimal 1acdae0
20 Vigesimal 8fd3c0
36 Base36 gqeao

Cryptographic Hash Functions

md5 53aee74733e800f5950935123edadf28
sha1 cc88a12a690d9332ba1625d1c4b62def9463b022
sha256 bf67fb9a7e30636475719b64866bf84873b6fd10a57cc98f47440d56a86f8619
sha512 39cd20183dc2e001ea72d2944ef087df58def4c53f86d31a040af8ae8e7ebd1c45c8b3ff57b55a6a660cddefa698fde51e3902154a1b806904a2f4ff6b4aa287
ripemd-160 aa59707019ac63bef7347ca650475ae3d4c38942

28105440 as geometric shapes

Circle

Radius = n
Diameter 56210880
Circumference 176591687.65982
Area 2.4815935410109E+15

Sphere

Radius = n
Volume 9.2995037828358E+22
Surface area 9.9263741640435E+15
Circumference 176591687.65982

Square

Length = n
Perimeter 112421760
Area 789915757593600
Diagonal 39747094.424463

Cube

Length = n
Surface area 4739494545561600
Volume 2.2200929930101E+22
Space diagonal 48680050.049079

Equilateral Triangle

Length = n
Perimeter 84316320
Area 3.4204355646284E+14
Altitude 24340025.024539

Triangular Pyramid

Length = n
Surface area 3.4204355646284E+14
Volume 2.6164046837037E+21
Height 13249031.474821