72742489 is an odd 8-digits composite number following 72742488
and preceding 72742490 . In scientific notation, it is written as 7.2742489 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 71821620 positive integers (up to 72742489) that are relatively prime to 72742489.
72742489 has 4 divisors, whose sum is 73663360
The reverse of 72742489 is 98424727
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million seven hundred forty-two thousand four hundred eighty-nine
Scientific notation
7.2742489 × 10^7
Engineering notation
7.2742489 × 10^6
Prime Factorization
79 × 920791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72742489
Product of the distinct prime numbers
The prime factorization of 72742489 is 79 × 920791.
Since it has a total of 2 prime factors.
6 , 4 , 4 , 12 , 136 , 358 , 3019 , 6123 , 52693 , 37116 , 961484 , 245040 , 7308932 , 6765097 , 72088600 , 20974484 , 458468476 , 962587833 , 1946117362 , 2239845659
n×2
145484978
n×3
218227467
n×4
290969956
n×5
363712445
n÷2
36371244.5
n÷3
24247496.333333
n÷3
18185622.25
n÷5
14548497.8
n2
5291469705915121
n3
3.8491467687636E+23
n4
2.7999651648617E+31
n5
2.0367643520534E+39
2 √n
8528.920740633
3 √n
417.4419133454
4 √n
92.352156123358
5 √n
37.355764721164
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
-72742488
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 72742489 can be divided by 4 positive divisors.
The sum of these divisors (counting 72742489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010101011111011001011001
3
Ternary
12001212200221021
4
Quaternary
10111133121121
5
Quinary
122110224424
6
Senary
11115042441
8
Octal
425373131
10
Decimal
72742489
12
Duodecimal
20440421
16
Hexadecimal
455f659
20
Vigesimal
12ecg49
36
Base36
17b4gp
md5
4efe9d69309ce4820791b1c0e46c336b
sha1
b4cf224c75e4200b2d89dea48a42bee2e7bd0976
sha256
4140a366adf4f99c1b93a6c404b76a7f555e5812beadee23e9ae40f1c21e7d53
sha512
b625f46ce4bba763ad08692cdfec89ce4622b2014f12222d780dba638aa7d1bdf9fcb72fd618b0c233562cd2ab6e78514de4867ca40d8b5b0d8f7ebc97925c7f
ripemd-160
267b3262ccc73584b0d014fb78e27253dafade92
Diameter
145484978
Circumference
457054538.09247
Area
1.6623642354796E+16
Volume
1.6123268281782E+24
Surface area
6.6494569419184E+16
Circumference
457054538.09247
Perimeter
290969956
Area
5291469705915121
Diagonal
102873414.50458
Surface area
31748818235490726
Volume
3.8491467687636E+23
Space diagonal
125993686.81702
Perimeter
218227467
Area
2.2912735943391E+15
Altitude
62996843.40851
Surface area
2.2912735943391E+15
Volume
4.5362629699584E+22
Height
34291138.168192