28771231 (number)

28771231 is an odd 8-digits composite number following 28771230 and preceding 28771232. In scientific notation, it is written as 2.8771231 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 28760464 positive integers (up to 28771231) that are relatively prime to 28771231.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-one thousand two hundred thirty-one

Notation

Scientific notation 2.8771231 × 10^7
Engineering notation 2.8771231 × 10^6

Prime Factorization of 28771231

Prime Factorization 4919 × 5849

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28771231
Product of the distinct prime numbers

The prime factorization of 28771231 is 4919 × 5849. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28771231)

Multiplication

n×y
n×2 57542462
n×3 86313693
n×4 115084924
n×5 143856155

Division

n÷y
n÷2 14385615.5
n÷3 9590410.3333333
n÷3 7192807.75
n÷5 5754246.2

Exponentiation

ny
n2 827783733255361
n3 2.3816357007532E+22
n4 6.8522590904218E+29
n5 1.9714792916238E+37

Nth Root

y√n
2√n 5363.8820829694
3√n 306.42167434224
4√n 73.238528678349
5√n 31.030708298472

Divisors of 28771231

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 -28771230
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 28771231 can be divided by 4 positive divisors. The sum of these divisors (counting 28771231) is 1, the average is 0.25.

Base conversion 28771231

Base System Value
2 Binary 1101101110000001110011111
3 Ternary 2000010201201011
4 Quaternary 1231300032133
5 Quinary 24331134411
6 Senary 2504400051
8 Octal 155601637
10 Decimal 28771231
12 Duodecimal 9776027
16 Hexadecimal 1b7039f
20 Vigesimal 8jg81b
36 Base36 h4o0v

Cryptographic Hash Functions

md5 d07eba372ce8e7ec313019b540cbe7b0
sha1 bdc024c70f2b1abe9b40b08e1fd93038bb163a51
sha256 ccbd529eccab7059f6b9aacdb4fe94e80949f4cc3d6096fbe4f2e4936f86cf99
sha512 4c075b4ac8898222a5795092849c7df4841ca7aeea325e3e93924918fa5da664db2d055f95dd4d4adc1caf0589f69fcb2e5a1796fc6b4624d81f845527313fb7
ripemd-160 7d07bcc666e139d56389713774e09c3f4cb86586

28771231 as geometric shapes

Circle

Radius = n
Diameter 57542462
Circumference 180774975.88867
Area 2.6005592951562E+15

Sphere

Radius = n
Volume 9.9761722946847E+22
Surface area 1.0402237180625E+16
Circumference 180774975.88867

Square

Length = n
Perimeter 115084924
Area 827783733255361
Diagonal 40688665.086369

Cube

Length = n
Surface area 4966702399532166
Volume 2.3816357007532E+22
Space diagonal 49833233.888301

Equilateral Triangle

Length = n
Perimeter 86313693
Area 3.5844087091933E+14
Altitude 24916616.94415

Triangular Pyramid

Length = n
Surface area 3.5844087091933E+14
Volume 2.806784590531E+21
Height 13562888.362123