72637721 is an odd 8-digits composite number following 72637720
and preceding 72637722 . In scientific notation, it is written as 7.2637721 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 64733760 positive integers (up to 72637721) that are relatively prime to 72637721.
72637721 has 12 divisors, whose sum is 81372780
The reverse of 72637721 is 12773627
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million six hundred thirty-seven thousand seven hundred twenty-one
Scientific notation
7.2637721 × 10^7
Engineering notation
7.2637721 × 10^6
Prime Factorization
29 × 13 × 13 × 14821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5587517
Product of the distinct prime numbers
The prime factorization of 72637721 is 29 × 13 × 13 × 14821.
Since it has a total of 4 prime factors.
5 , 2 , 94 , 47 , 206 , 773 , 4660 , 5052 , 60331 , 18840 , 490574 , 377386 , 8454006 , 2311034 , 216824 , 64539583 , 879250574 , 466852329 , 5571799498 , 8257278289
n×2
145275442
n×3
217913163
n×4
290550884
n×5
363188605
n÷2
36318860.5
n÷3
24212573.666667
n÷3
18159430.25
n÷5
14527544.2
n2
5276238512073841
n3
3.8325394096947E+23
n4
2.7838692836291E+31
n5
2.0221392032472E+39
2 √n
8522.7766015542
3 √n
417.24140894441
4 √n
92.318885400303
5 √n
37.344998123946
1 , 13 , 29 , 169 , 377 , 4901 , 14821 , 192673 , 429809 , 2504749 , 5587517 , 72637721
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72637720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72637721 can be divided by 12 positive divisors.
The sum of these divisors (counting 72637721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101000101110100011001
3
Ternary
12001200101012222
4
Quaternary
10111011310121
5
Quinary
122043401341
6
Senary
11112513425
8
Octal
425056431
10
Decimal
72637721
12
Duodecimal
203ab875
16
Hexadecimal
4545d19
20
Vigesimal
12dje61
36
Base36
178vmh
md5
64ec7ffa71bfdb074c69b10503a49b4b
sha1
e6f767f754a4023ea8b1f1f03ae28b9958602d1b
sha256
d9bdb001b8145bcd314b20139358e18e562baa13b999695a794cea2016815ec3
sha512
b5519f97265d88fdec8a80505db7821f130c44f32f66bbdb55e0dfaf365eb47bc559897e30ae863c4799bb39cacff056c5db38b8c7dd1b63c607d7b1fd2cacc5
ripemd-160
c59724a3c8fe33d96058ae1b9cc515f77f3661b4
Diameter
145275442
Circumference
456396261.33421
Area
1.6575792148119E+16
Volume
1.6053703538787E+24
Surface area
6.6303168592475E+16
Circumference
456396261.33421
Perimeter
290550884
Area
5276238512073841
Diagonal
102725250.17807
Surface area
31657431072443046
Volume
3.8325394096947E+23
Space diagonal
125812223.31801
Perimeter
217913163
Area
2.2846782939409E+15
Altitude
62906111.659006
Surface area
2.2846782939409E+15
Volume
4.5166910095997E+22
Height
34241750.059358