28438481 (number)

28438481 is an odd 8-digits composite number following 28438480 and preceding 28438482. In scientific notation, it is written as 2.8438481 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28414464 positive integers (up to 28438481) that are relatively prime to 28438481.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand four hundred eighty-one

Notation

Scientific notation 2.8438481 × 10^7
Engineering notation 2.8438481 × 10^6

Prime Factorization of 28438481

Prime Factorization 1249 × 22769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28438481
Product of the distinct prime numbers

The prime factorization of 28438481 is 1249 × 22769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438481)

Multiplication

n×y
n×2 56876962
n×3 85315443
n×4 113753924
n×5 142192405

Division

n÷y
n÷2 14219240.5
n÷3 9479493.6666667
n÷3 7109620.25
n÷5 5687696.2

Exponentiation

ny
n2 808747201587361
n3 2.2999541926145E+22
n4 6.5407203607539E+29
n5 1.8600815170561E+37

Nth Root

y√n
2√n 5332.7742311109
3√n 305.23579723223
4√n 73.025846322455
5√n 30.958597588198

Divisors of 28438481

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438481 can be divided by 4 positive divisors. The sum of these divisors (counting 28438481) is 1, the average is 0.25.

Base conversion 28438481

Base System Value
2 Binary 1101100011110111111010001
3 Ternary 1222111211021002
4 Quaternary 1230132333101
5 Quinary 24240012411
6 Senary 2453311345
8 Octal 154367721
10 Decimal 28438481
12 Duodecimal 9635555
16 Hexadecimal 1b1efd1
20 Vigesimal 8heg41
36 Base36 gxj9t

Cryptographic Hash Functions

md5 13926a4bc5dedb16c9e6ac1c7787e2f1
sha1 250c161c62aa4d4a9180f54e558f3e4fabbd9663
sha256 b0cf305ad192f2366de97f4c12614af1a566e3b263242bcdcaf031724e11f0d9
sha512 cd92de554d191087c529f4455aaf30d49a7ac6c1065eda222f39f9cce2284ab51871add87dfb56452ff07fde9d9e96e9eff57e4a706ed650ddfac4f4e6e8166c
ripemd-160 21716d0134b7c02763068fce5109cb25f110753b

28438481 as geometric shapes

Circle

Radius = n
Diameter 56876962
Circumference 178684245.97771
Area 2.5407542671182E+15

Sphere

Radius = n
Volume 9.6340255934812E+22
Surface area 1.0163017068473E+16
Circumference 178684245.97771

Square

Length = n
Perimeter 113753924
Area 808747201587361
Diagonal 40218085.52349

Cube

Length = n
Surface area 4852483209524166
Volume 2.2999541926145E+22
Space diagonal 49256893.982082

Equilateral Triangle

Length = n
Perimeter 85315443
Area 3.5019781090711E+14
Altitude 24628446.991041

Triangular Pyramid

Length = n
Surface area 3.5019781090711E+14
Volume 2.7105220100269E+21
Height 13406028.50783