28743531 (number)

28743531 is an odd 8-digits composite number following 28743530 and preceding 28743532. In scientific notation, it is written as 2.8743531 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 18899712 positive integers (up to 28743531) that are relatively prime to 28743531.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-three thousand five hundred thirty-one

Notation

Scientific notation 2.8743531 × 10^7
Engineering notation 2.8743531 × 10^6

Prime Factorization of 28743531

Prime Factorization 3 × 73 × 131249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28743531
Product of the distinct prime numbers

The prime factorization of 28743531 is 3 × 73 × 131249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 49, 100, 751, 794, 9655, 1259, 68766, 39538, 946488, 193520, 7522026, 2416170, 66618322, 44993240, 905565991, 420162611, 4897146329, 6567523430

Basic calculations (n = 28743531)

Multiplication

n×y
n×2 57487062
n×3 86230593
n×4 114974124
n×5 143717655

Division

n÷y
n÷2 14371765.5
n÷3 9581177
n÷3 7185882.75
n÷5 5748706.2

Exponentiation

ny
n2 826190574347961
n3 2.3747634385678E+22
n4 6.8259086514141E+29
n5 1.9620071692509E+37

Nth Root

y√n
2√n 5361.2993760841
3√n 306.32330517863
4√n 73.220894395549
5√n 31.024730925936

Divisors of 28743531

1, 3, 73, 219, 131249, 393747, 9581177, 28743531

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28743530
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28743531 can be divided by 8 positive divisors. The sum of these divisors (counting 28743531) is 1, the average is 0.125.

Base conversion 28743531

Base System Value
2 Binary 1101101101001011101101011
3 Ternary 2000002022201020
4 Quaternary 1231221131223
5 Quinary 24324243111
6 Senary 2504023523
8 Octal 155513553
10 Decimal 28743531
12 Duodecimal 9761ba3
16 Hexadecimal 1b6976b
20 Vigesimal 8jcigb
36 Base36 h42nf

Cryptographic Hash Functions

md5 efd58b30959b6c452c1809c6a3dbf483
sha1 d86bec47fe6d507b776c978390787e2e7e589db6
sha256 b7fa1a49e71c1a4f7a7de5dcbe75c5ee3bde116eb6f21e0863ef7d343d146370
sha512 faad5e137d792c267461ed693bdf18679797fe291fda42ffc6df581b0df4e7b8013de3e75c7947bbf7e20a1af9cab4fa6506bd5caf72fecc20916f728cb8fa1c
ripemd-160 63252954a61335e6ecb976c2dda509a15bbfe23f

28743531 as geometric shapes

Circle

Radius = n
Diameter 57487062
Circumference 180600931.65566
Area 2.5955542388367E+15

Sphere

Radius = n
Volume 9.9473858301578E+22
Surface area 1.0382216955347E+16
Circumference 180600931.65566

Square

Length = n
Perimeter 114974124
Area 826190574347961
Diagonal 40649491.370691

Cube

Length = n
Surface area 4957143446087766
Volume 2.3747634385678E+22
Space diagonal 49785256.080931

Equilateral Triangle

Length = n
Perimeter 86230593
Area 3.577510128763E+14
Altitude 24892628.040466

Triangular Pyramid

Length = n
Surface area 3.577510128763E+14
Volume 2.7986855518753E+21
Height 13549830.456897