72028449 is an odd 8-digits composite number following 72028448
and preceding 72028450 . In scientific notation, it is written as 7.2028449 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 45299520 positive integers (up to 72028449) that are relatively prime to 72028449.
72028449 has 16 divisors, whose sum is 84600000
The reverse of 72028449 is 94482027
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million twenty-eight thousand four hundred forty-nine
Scientific notation
7.2028449 × 10^7
Engineering notation
7.2028449 × 10^6
Prime Factorization
9 × 19 × 281 × 1499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72028449
Product of the distinct prime numbers
The prime factorization of 72028449 is 9 × 19 × 281 × 1499.
Since it has a total of 4 prime factors.
8 , 9 , 85 , 18 , 921 , 365 , 4774 , 1115 , 12313 , 48773 , 786020 , 884296 , 9752379 , 6161054 , 16991534 , 66979019 , 242419074 , 278547252 , 6149060941 , 7367351801
n×2
144056898
n×3
216085347
n×4
288113796
n×5
360142245
n÷2
36014224.5
n÷3
24009483
n÷3
18007112.25
n÷5
14405689.8
n2
5188097465345601
n3
3.7369061368967E+23
n4
2.6916355309925E+31
n5
1.9387433257068E+39
2 √n
8486.9575820785
3 √n
416.07155026999
4 √n
92.124684976821
5 √n
37.282138254616
1 , 9 , 19 , 171 , 281 , 1499 , 2529 , 5339 , 13491 , 28481 , 48051 , 256329 , 421219 , 3790971 , 8003161 , 72028449
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
-72028448
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 72028449 can be divided by 16 positive divisors.
The sum of these divisors (counting 72028449) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010110001000100100001
3
Ternary
12000112102110100
4
Quaternary
10102301010201
5
Quinary
121414402244
6
Senary
11051453013
8
Octal
422610441
10
Decimal
72028449
12
Duodecimal
20157169
16
Hexadecimal
44b1121
20
Vigesimal
12a3b29
36
Base36
16vti9
md5
a325f83e96359bc09aea48ce09d5897f
sha1
a1fe0350fab87f670e14ab142aac51c0c1cf4dad
sha256
dc9d93d521ad650a35bf6eec80c191a522015a3ab90decb951480b5c71f4faa4
sha512
8263939dedf949cbfa804f2cad5256431c7dfa289dcb5e957a48769f0278e36a55919ba5cba992e1f5f6e9b89a9b5e4636aa454b8da41855699e2e956c0d0591
ripemd-160
e9bb56ac55982af715ea6801260c1e1cd047619d
Diameter
144056898
Circumference
452568092.45573
Area
1.6298888883238E+16
Volume
1.5653115822439E+24
Surface area
6.519555553295E+16
Circumference
452568092.45573
Perimeter
288113796
Area
5188097465345601
Diagonal
101863609.4525
Surface area
31128584792073606
Volume
3.7369061368967E+23
Space diagonal
124756933.25838
Perimeter
216085347
Area
2.2465121011495E+15
Altitude
62378466.629192
Surface area
2.2465121011495E+15
Volume
4.4039861167622E+22
Height
33954536.484166