28743923 (number)

28743923 is an odd 8-digits composite number following 28743922 and preceding 28743924. In scientific notation, it is written as 2.8743923 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 24729600 positive integers (up to 28743923) that are relatively prime to 28743923.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-three thousand nine hundred twenty-three

Notation

Scientific notation 2.8743923 × 10^7
Engineering notation 2.8743923 × 10^6

Prime Factorization of 28743923

Prime Factorization 13 × 17 × 113 × 1151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28743923
Product of the distinct prime numbers

The prime factorization of 28743923 is 13 × 17 × 113 × 1151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28743923)

Multiplication

n×y
n×2 57487846
n×3 86231769
n×4 114975692
n×5 143719615

Division

n÷y
n÷2 14371961.5
n÷3 9581307.6666667
n÷3 7185980.75
n÷5 5748784.6

Exponentiation

ny
n2 826213109429929
n3 2.3748605999044E+22
n4 6.8262810219387E+29
n5 1.9621409607097E+37

Nth Root

y√n
2√n 5361.3359342612
3√n 306.32469770286
4√n 73.221144038189
5√n 31.024815547607

Divisors of 28743923

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28743922
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28743923 can be divided by 16 positive divisors. The sum of these divisors (counting 28743923) is 1, the average is 0.0625.

Base conversion 28743923

Base System Value
2 Binary 1101101101001100011110011
3 Ternary 2000002100020202
4 Quaternary 1231221203303
5 Quinary 24324301143
6 Senary 2504025415
8 Octal 155514363
10 Decimal 28743923
12 Duodecimal 976226b
16 Hexadecimal 1b698f3
20 Vigesimal 8jcjg3
36 Base36 h42yb

Cryptographic Hash Functions

md5 761835849ba320b878b646240c352763
sha1 a1cd6510a4f94f9ff86f768bf5c474d918452f6b
sha256 df0e7745a498fef3e12ba3861f66daf10c30707b972c13d103718d31857fd27e
sha512 9dd8c01a131e9633c471b9fde807575e6e338b5639aa6c28a9a5c85163f4b131c643e9b2d75ebb9e03820514c89acd6849bbec2be09370e01b7492140e4d0543
ripemd-160 4524d07904858f1c8170392afe2bc52c4d1f3dce

28743923 as geometric shapes

Circle

Radius = n
Diameter 57487846
Circumference 180603394.6643
Area 2.5956250348846E+15

Sphere

Radius = n
Volume 9.9477928186129E+22
Surface area 1.0382500139539E+16
Circumference 180603394.6643

Square

Length = n
Perimeter 114975692
Area 826213109429929
Diagonal 40650045.742408

Cube

Length = n
Surface area 4957278656579574
Volume 2.3748605999044E+22
Space diagonal 49785935.044848

Equilateral Triangle

Length = n
Perimeter 86231769
Area 3.5776077085303E+14
Altitude 24892967.522424

Triangular Pyramid

Length = n
Surface area 3.5776077085303E+14
Volume 2.7988000576086E+21
Height 13550015.247469