72645540 is an even 8-digits composite number following 72645539
and preceding 72645541 . In scientific notation, it is written as 7.2645540 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 17610880 positive integers (up to 72645540) that are relatively prime to 72645540.
72645540 has 12 divisors, whose sum is 127901340
The reverse of 72645540 is 04554627
Previous prime number is 165
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million six hundred forty-five thousand five hundred forty
Scientific notation
7.2645540 × 10^7
Engineering notation
7.2645540 × 10^6
Prime Factorization
2 × 2 × 165 × 110069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36322770
Product of the distinct prime numbers
The prime factorization of 72645540 is 2 × 2 × 165 × 110069.
Since it has a total of 4 prime factors.
3 , 5 , 97 , 77 , 281 , 185 , 8856 , 2246 , 36872 , 84828 , 635426 , 151958 , 1917686 , 6254744 , 54038296 , 45500686 , 573417756 , 300797497 , 6583778408 , 877238297
n×2
145291080
n×3
217936620
n×4
290582160
n×5
363227700
n÷2
36322770
n÷3
24215180
n÷3
18161385
n÷5
14529108
n2
5277374481891600
n3
3.8337771901924E+23
n4
2.7850681422121E+31
n5
2.0232277912779E+39
2 √n
8523.2353012222
3 √n
417.25637955692
4 √n
92.321369688833
5 √n
37.345802080801
1 , 2 , 4 , 165 , 330 , 660 , 110069 , 220138 , 440276 , 18161385 , 36322770 , 72645540
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
-72645539
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 72645540 can be divided by 12 positive divisors.
The sum of these divisors (counting 72645540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101000111101110100100
3
Ternary
12001200202221120
4
Quaternary
10111013232210
5
Quinary
122044124130
6
Senary
11113013540
8
Octal
425075644
10
Decimal
72645540
12
Duodecimal
203b42b0
16
Hexadecimal
4547ba4
20
Vigesimal
12e0dh0
36
Base36
1791no
md5
6e1b5e3f2058e026302c642931d71129
sha1
20935ee0d357801c366daa6ae915cea1a46001ec
sha256
666b87dbedc1b46ff253eae7e3acfe72f78e00cb73d8a5f18c5fc8fb4c562c17
sha512
923ce9c6008bf6d133495dc4e72d525d29cabe0c137b3681e226b9010594c7c70fce137efdf5ff81f7c69a7c2c6f98434cc1d10894866637901ec86c0a97b256
ripemd-160
55b31bcd6c1a7dbf69ca00726609e6034d2a3d61
Diameter
145291080
Circumference
456445389.56013
Area
1.6579360902553E+16
Volume
1.6058888341611E+24
Surface area
6.6317443610212E+16
Circumference
456445389.56013
Perimeter
290582160
Area
5277374481891600
Diagonal
102736307.91392
Surface area
31664246891349600
Volume
3.8337771901924E+23
Space diagonal
125825766.22328
Perimeter
217936620
Area
2.2851701833009E+15
Altitude
62912883.111639
Surface area
2.2851701833009E+15
Volume
4.5181497479055E+22
Height
34245435.971306