28001423 is an odd 8-digits composite number following 28001422
and preceding 28001424 . In scientific notation, it is written as 2.8001423 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 27978600 positive integers (up to 28001423) that are relatively prime to 28001423.
28001423 has 4 divisors, whose sum is 28024248
The reverse of 28001423 is 32410082
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-eight million one thousand four hundred twenty-three
Scientific notation
2.8001423 × 10^7
Engineering notation
2.8001423 × 10^6
Prime Factorization
1301 × 21523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28001423
Product of the distinct prime numbers
The prime factorization of 28001423 is 1301 × 21523.
Since it has a total of 2 prime factors.
8 , 5 , 31 , 41 , 273 , 67 , 5319 , 5994 , 47842 , 67204 , 9150 , 655607 , 3088779 , 7901257 , 18107700 , 81272536 , 857349450 , 392448090 , 93705051 , 1934761129
n×2
56002846
n×3
84004269
n×4
112005692
n×5
140007115
n÷2
14000711.5
n÷3
9333807.6666667
n÷3
7000355.75
n÷5
5600284.6
n2
784079690024929
n3
2.1955347066097E+22
n4
6.1478096030959E+29
n5
1.7214741721975E+37
2 √n
5291.6370812821
3 √n
303.66404122674
4 √n
72.743639455846
5 √n
30.862849457573
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
-28001422
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 28001423 can be divided by 4 positive divisors.
The sum of these divisors (counting 28001423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110100010010001111
3
Ternary
1221200121201202
4
Quaternary
1222310102033
5
Quinary
24132021143
6
Senary
2440100115
8
Octal
152642217
10
Decimal
28001423
12
Duodecimal
946463b
16
Hexadecimal
1ab448f
20
Vigesimal
8f03b3
36
Base36
go61b
md5
62007e8854f4f30c89a15fd684544f55
sha1
9f4a69b36ed9255f10778c4811387194be652f97
sha256
5506b363de72924d9274bf38bf0bf322e310272f170e242820a74672853755d0
sha512
acbeceb46f8a2d6d2ca23aca3ecb9915209058983705ca82e2adcff611d1ed25a14f462df9f9ba80e8b4308c4c8b2fe69ac2dd5f816243176b6ee9318ab2033b
ripemd-160
465bbfcf0e45164db4024f4984a99dc8703c55bd
Diameter
56002846
Circumference
175938129.57372
Area
2.4632589940113E+15
Volume
9.1966342733152E+22
Surface area
9.8530359760451E+15
Circumference
175938129.57372
Perimeter
112005692
Area
784079690024929
Diagonal
39599992.172346
Surface area
4704478140149574
Volume
2.1955347066097E+22
Space diagonal
48499887.320228
Perimeter
84004269
Area
3.3951646507651E+14
Altitude
24249943.660114
Surface area
3.3951646507651E+14
Volume
2.5874624656236E+21
Height
13199997.390782