28138001 is an odd 8-digits composite number following 28138000
and preceding 28138002 . In scientific notation, it is written as 2.8138001 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 28062192 positive integers (up to 28138001) that are relatively prime to 28138001.
28138001 has 4 divisors, whose sum is 28213812
The reverse of 28138001 is 10083182
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million one hundred thirty-eight thousand one
Scientific notation
2.8138001 × 10^7
Engineering notation
2.8138001 × 10^6
Prime Factorization
373 × 75437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28138001
Product of the distinct prime numbers
The prime factorization of 28138001 is 373 × 75437.
Since it has a total of 2 prime factors.
9 , 1 , 41 , 19 , 618 , 485 , 6523 , 7398 , 45992 , 63112 , 374501 , 641132 , 4528937 , 2657297 , 44995945 , 9154947 , 867553987 , 361260511 , 6765189644 , 6098959462
n×2
56276002
n×3
84414003
n×4
112552004
n×5
140690005
n÷2
14069000.5
n÷3
9379333.6666667
n÷3
7034500.25
n÷5
5627600.2
n2
791747100276001
n3
2.2278180699313E+22
n4
6.2686347079546E+29
n5
1.7638684968106E+37
2 √n
5304.5264633141
3 √n
304.15695164651
4 √n
72.832180135666
5 √n
30.892897832948
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
-28138000
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 28138001 can be divided by 4 positive divisors.
The sum of these divisors (counting 28138001) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010101101000010001
3
Ternary
1221221120002012
4
Quaternary
1223111220101
5
Quinary
24200404001
6
Senary
2443032305
8
Octal
153255021
10
Decimal
28138001
12
Duodecimal
950b695
16
Hexadecimal
1ad5a11
20
Vigesimal
8fh501
36
Base36
gr3f5
md5
d692adf9f2835cc54ea329cad0699333
sha1
5bbef295ae62703179f8fcf686859e38b517b756
sha256
554654aca709dc2002742ab19bbd572e4c53da140f0d94bf7929e99a1c45f19e
sha512
77bc2fa81dbd24f2ca17862c680ecb807b73cdb8c5f946497e9f8ac1d4a3c4818064ae8aa7d2e12dfb13bb9d21b5428a58232eb99db0243bd9110c72e038cbe4
ripemd-160
18dc93643d4ae465cc107740e72e6d74a76d56d3
Diameter
56276002
Circumference
176796274.4566
Area
2.4873468737281E+15
Volume
9.3318625093744E+22
Surface area
9.9493874949124E+15
Circumference
176796274.4566
Perimeter
112552004
Area
791747100276001
Diagonal
39793142.632268
Surface area
4750482601656006
Volume
2.2278180699313E+22
Space diagonal
48736447.355424
Perimeter
84414003
Area
3.4283655110584E+14
Altitude
24368223.677712
Surface area
3.4283655110584E+14
Volume
2.6255087741639E+21
Height
13264380.877423