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.
28743923 has 16 divisors, whose sum is 33094656
The reverse of 28743923 is 32934782
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million seven hundred forty-three thousand nine hundred twenty-three
Scientific notation
2.8743923 × 10^7
Engineering notation
2.8743923 × 10^6
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.
4 , 2 , 15 , 41 , 620 , 645 , 5747 , 2449 , 93087 , 93850 , 79433 , 294356 , 9778090 , 6088348 , 88201886 , 73211462 , 268771415 , 660342948 , 6298775650 , 8985957743
n×2
57487846
n×3
86231769
n×4
114975692
n×5
143719615
n÷2
14371961.5
n÷3
9581307.6666667
n÷3
7185980.75
n÷5
5748784.6
n2
826213109429929
n3
2.3748605999044E+22
n4
6.8262810219387E+29
n5
1.9621409607097E+37
2 √n
5361.3359342612
3 √n
306.32469770286
4 √n
73.221144038189
5 √n
31.024815547607
1 , 13 , 17 , 113 , 221 , 1151 , 1469 , 1921 , 14963 , 19567 , 24973 , 130063 , 254371 , 1690819 , 2211071 , 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
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
md5
761835849ba320b878b646240c352763
sha1
a1cd6510a4f94f9ff86f768bf5c474d918452f6b
sha256
df0e7745a498fef3e12ba3861f66daf10c30707b972c13d103718d31857fd27e
sha512
9dd8c01a131e9633c471b9fde807575e6e338b5639aa6c28a9a5c85163f4b131c643e9b2d75ebb9e03820514c89acd6849bbec2be09370e01b7492140e4d0543
ripemd-160
4524d07904858f1c8170392afe2bc52c4d1f3dce
Diameter
57487846
Circumference
180603394.6643
Area
2.5956250348846E+15
Volume
9.9477928186129E+22
Surface area
1.0382500139539E+16
Circumference
180603394.6643
Perimeter
114975692
Area
826213109429929
Diagonal
40650045.742408
Surface area
4957278656579574
Volume
2.3748605999044E+22
Space diagonal
49785935.044848
Perimeter
86231769
Area
3.5776077085303E+14
Altitude
24892967.522424
Surface area
3.5776077085303E+14
Volume
2.7988000576086E+21
Height
13550015.247469