72189438 is an even 8-digits composite number following 72189437
and preceding 72189439 . In scientific notation, it is written as 7.2189438 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 23476160 positive integers (up to 72189438) that are relatively prime to 72189438.
72189438 has 16 divisors, whose sum is 147900816
The reverse of 72189438 is 83498127
Previous prime number is 41
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
seventy-two million one hundred eighty-nine thousand four hundred thirty-eight
Scientific notation
7.2189438 × 10^7
Engineering notation
7.2189438 × 10^6
Prime Factorization
2 × 3 × 41 × 293453
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
72189438 Product of the distinct prime numbers
The prime factorization of 72189438 is 2 × 3 × 41 × 293453.
Since it has a total of 4 prime factors.
4 , 4 , 47 , 80 , 776 , 14 , 3301 , 3097 , 59702 , 33062 , 288594 , 711139 , 5863015 , 9544718 , 59762058 , 24486651 , 544432153 , 854986177 , 9594970680 , 9646253826
n×2
144378876
n×3
216568314
n×4
288757752
n×5
360947190
n÷2
36094719
n÷3
24063146
n÷3
18047359.5
n÷5
14437887.6
n2
5211314958755844
n3
3.7620189811358E+23
n4
2.7157803599352E+31
n5
1.9605065791516E+39
2 √n8496.4367825577
3 √n416.38130334505
4 √n92.176118287535
5 √n37.298789051467
1 , 2 , 3 , 6 , 41 , 82 , 123 , 246 , 293453 , 586906 , 880359 , 1760718 , 12031573 , 24063146 , 36094719 , 72189438
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
-72189437 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 72189438 can be divided by 16 positive divisors.
The sum of these divisors (counting 72189438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011011000010111111110
3
Ternary
12000211121021220
4
Quaternary
10103120113332
5
Quinary
121440030223
6
Senary
11055134210
8
Octal
423302776
10
Decimal
72189438
12
Duodecimal
20214366
16
Hexadecimal
44d85fe
20
Vigesimal
12b3dbi
36
Base36
16z9q6
md5
fc5416e06d0da79c335335ba50fcb75c
sha1
2084bc6ce9953d4d9ddcb145ed397992b53ae949
sha256
a08ed2fad2573980bad46b1bd5f730114f251430ac5ea2bd6236c5fbed39a723
sha512
602e015c1471f4a41c827e748d0d2cc7906706fd2189f5fd8c84cb6c04e4adb624780728397f9205be58fa5e5267aae217b8b44a6b36a7f2c0a58c72ef8e0b82
ripemd-160
7efe657a7b0944bf66e82f063cef59a1477bc845
Diameter
144378876
Circumference
453579616.17515
Area
1.637182878997E+16
Volume
1.5758308258402E+24
Surface area
6.548731515988E+16
Circumference
453579616.17515
Perimeter
288757752
Area
5211314958755844
Diagonal
102091282.27969
Surface area
31267889752535064
Volume
3.7620189811358E+23
Space diagonal
125035774.38584
Perimeter
216568314
Area
2.2565655707022E+15
Altitude
62517887.192922
Surface area
2.2565655707022E+15
Volume
4.4335818875227E+22
Height
34030427.426564