28449870 (number)

28449870 is an even 8-digits composite number following 28449869 and preceding 28449871. In scientific notation, it is written as 2.8449870 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 7175168 positive integers (up to 28449870) that are relatively prime to 28449870.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty-nine thousand eight hundred seventy

Notation

Scientific notation 2.8449870 × 10^7
Engineering notation 2.8449870 × 10^6

Prime Factorization of 28449870

Prime Factorization 2 × 15 × 29 × 53 × 617

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28449870
Product of the distinct prime numbers

The prime factorization of 28449870 is 2 × 15 × 29 × 53 × 617. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 63, 98, 576, 21, 2230, 8850, 90351, 835, 608921, 683980, 6803935, 1577500, 7027257, 22083889, 415002679, 710807715, 3468208410, 2054802682

Basic calculations (n = 28449870)

Multiplication

n×y
n×2 56899740
n×3 85349610
n×4 113799480
n×5 142249350

Division

n÷y
n÷2 14224935
n÷3 9483290
n÷3 7112467.5
n÷5 5689974

Exponentiation

ny
n2 809395103016900
n3 2.3027185459467E+22
n4 6.5512043278774E+29
n5 1.8638091147155E+37

Nth Root

y√n
2√n 5333.8419549139
3√n 305.27653858468
4√n 73.033156544914
5√n 30.961076841574

Divisors of 28449870

1, 2, 15, 29, 30, 53, 58, 106, 435, 617, 795, 870, 1234, 1537, 1590, 3074, 9255, 17893, 18510, 23055, 32701, 35786, 46110, 65402, 268395, 490515, 536790, 948329, 981030, 1896658, 14224935, 28449870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28449869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28449870 can be divided by 32 positive divisors. The sum of these divisors (counting 28449870) is 1, the average is 0.03125.

Base conversion 28449870

Base System Value
2 Binary 1101100100001110001001110
3 Ternary 1222112101212220
4 Quaternary 1230201301032
5 Quinary 24240343440
6 Senary 2453440210
8 Octal 154416116
10 Decimal 28449870
12 Duodecimal 9640066
16 Hexadecimal 1b21c4e
20 Vigesimal 8hg4da
36 Base36 gxs26

Cryptographic Hash Functions

md5 305c50bd7e92066844c5f4984e555dbf
sha1 c8a1a288949846fbf87584760e608ea809b5779a
sha256 6b5a26108419a95fc2b3a7b7772c08c1f5f1ead5d75eddd32174bab779f4233a
sha512 1daf459bc127b3e5c259eefa603427cbec52bdbb00801545361a6b24bee9167b9c0442c89b1d8459a807fc27c6b78a80412607b569593bb39dae0a59350046c5
ripemd-160 15e6a82dfa75ea6945cec5271bef1779ff4d568f

28449870 as geometric shapes

Circle

Radius = n
Diameter 56899740
Circumference 178755805.17517
Area 2.5427897094894E+15

Sphere

Radius = n
Volume 9.6456048896417E+22
Surface area 1.0171158837958E+16
Circumference 178755805.17517

Square

Length = n
Perimeter 113799480
Area 809395103016900
Diagonal 40234192.001751

Cube

Length = n
Surface area 4856370618101400
Volume 2.3027185459467E+22
Space diagonal 49276620.30873

Equilateral Triangle

Length = n
Perimeter 85349610
Area 3.5047836045568E+14
Altitude 24638310.154365

Triangular Pyramid

Length = n
Surface area 3.5047836045568E+14
Volume 2.7137798316716E+21
Height 13411397.333917