72188538 is an even 8-digits composite number following 72188537
and preceding 72188539 . In scientific notation, it is written as 7.2188538 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 23625600 positive integers (up to 72188538) that are relatively prime to 72188538.
72188538 has 32 divisors, whose sum is 147026880
The reverse of 72188538 is 83588127
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million one hundred eighty-eight thousand five hundred thirty-eight
Scientific notation
7.2188538 × 10^7
Engineering notation
7.2188538 × 10^6
Prime Factorization
2 × 3 × 101 × 139 × 857
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72188538
Product of the distinct prime numbers
The prime factorization of 72188538 is 2 × 3 × 101 × 139 × 857.
Since it has a total of 5 prime factors.
10 , 7 , 9 , 53 , 221 , 779 , 3461 , 1232 , 39361 , 9369 , 884206 , 619416 , 6124596 , 1843225 , 56587480 , 38058188 , 197700609 , 10672526 , 2970595662 , 2183436710
n×2
144377076
n×3
216565614
n×4
288754152
n×5
360942690
n÷2
36094269
n÷3
24062846
n÷3
18047134.5
n÷5
14437707.6
n2
5211185018577444
n3
3.7618782773861E+23
n4
2.7156449297846E+31
n5
1.9603843720826E+39
2 √n
8496.3838190138
3 √n
416.37957296851
4 √n
92.175830991718
5 √n
37.298696048728
1 , 2 , 3 , 6 , 101 , 139 , 202 , 278 , 303 , 417 , 606 , 834 , 857 , 1714 , 2571 , 5142 , 14039 , 28078 , 42117 , 84234 , 86557 , 119123 , 173114 , 238246 , 259671 , 357369 , 519342 , 714738 , 12031423 , 24062846 , 36094269 , 72188538
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72188537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72188538 can be divided by 32 positive divisors.
The sum of these divisors (counting 72188538) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011011000001001111010
3
Ternary
12000211120001120
4
Quaternary
10103120021322
5
Quinary
121440013123
6
Senary
11055130110
8
Octal
423301172
10
Decimal
72188538
12
Duodecimal
20213936
16
Hexadecimal
44d827a
20
Vigesimal
12b3b6i
36
Base36
16z916
md5
ea7874891a63181214fe77fb75d9ee16
sha1
6383c200ebe688af0ce926ce99a196b1f6251fb2
sha256
27d1a2ace5b5c7a141066b6d884545c4e8c7222b55d4723c1bbd155486f2cc5a
sha512
ddf2af5b0c69e2630d3c65f5737fb3a31a4fbe06894a5126a3a9eee3d51f0555302cc572f6f5faed5706b0ad7d9dcf3dbe0b05f367a5a9e87437094468d61af7
ripemd-160
1e3a3f9db82ae22afe27b5fd097f9a7cdcb5206c
Diameter
144377076
Circumference
453573961.30838
Area
1.637142057086E+16
Volume
1.5757718879914E+24
Surface area
6.548568228344E+16
Circumference
453573961.30838
Perimeter
288754152
Area
5211185018577444
Diagonal
102090009.48749
Surface area
31267110111464664
Volume
3.7618782773861E+23
Space diagonal
125034215.54012
Perimeter
216565614
Area
2.2565093049545E+15
Altitude
62517107.770058
Surface area
2.2565093049545E+15
Volume
4.4334160665634E+22
Height
34030003.162495