28011539 is an odd 8-digits composite number following 28011538
and preceding 28011540 . In scientific notation, it is written as 2.8011539 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 26793624 positive integers (up to 28011539) that are relatively prime to 28011539.
28011539 has 4 divisors, whose sum is 29229456
The reverse of 28011539 is 93511082
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million eleven thousand five hundred thirty-nine
Scientific notation
2.8011539 × 10^7
Engineering notation
2.8011539 × 10^6
Prime Factorization
23 × 1217893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28011539
Product of the distinct prime numbers
The prime factorization of 28011539 is 23 × 1217893.
Since it has a total of 2 prime factors.
10 , 6 , 60 , 56 , 937 , 679 , 5866 , 4590 , 38360 , 79821 , 53490 , 601111 , 1912154 , 7471346 , 91150842 , 97467969 , 772274270 , 325955563 , 426306735 , 1835207543
n×2
56023078
n×3
84034617
n×4
112046156
n×5
140057695
n÷2
14005769.5
n÷3
9337179.6666667
n÷3
7002884.75
n÷5
5602307.8
n2
784646317148521
n3
2.1979150914012E+22
n4
6.1566984301474E+29
n5
1.7245859818731E+37
2 √n
5292.5928428323
3 √n
303.70060479226
4 √n
72.750208541504
5 √n
30.865079083393
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
-28011538
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 28011539 can be divided by 4 positive divisors.
The sum of these divisors (counting 28011539) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110110110000010011
3
Ternary
1221201010121102
4
Quaternary
1222312300103
5
Quinary
24132332124
6
Senary
2440215015
8
Octal
152666023
10
Decimal
28011539
12
Duodecimal
946a46b
16
Hexadecimal
1ab6c13
20
Vigesimal
8f18gj
36
Base36
godub
md5
c5edc7158064c6886d139ed7520e7202
sha1
7fa8c21e739d02f052dbc48678682feb312f0123
sha256
3b7fe116f44c97f8da91fee29d5b64d46b0743c6b8e510053b09dde434018e6b
sha512
cf17de36db2349a052551e7970d020f1463c83504f2d327e106cadca762ded41302447e871699ebf816f0513f2307c49bdec96f2b582645b4fb9c298f394a213
ripemd-160
036ebb5de32871e58be100586d92cb8149e72787
Diameter
56023078
Circumference
176001690.27629
Area
2.4650391056201E+15
Volume
9.2066052058136E+22
Surface area
9.8601564224803E+15
Circumference
176001690.27629
Perimeter
112046156
Area
784646317148521
Diagonal
39614298.356743
Surface area
4707877902891126
Volume
2.1979150914012E+22
Space diagonal
48517408.746197
Perimeter
84034617
Area
3.3976182181826E+14
Altitude
24258704.373099
Surface area
3.3976182181826E+14
Volume
2.5902677760034E+21
Height
13204766.118914