72189439 is an odd 8-digits composite number following 72189438
and preceding 72189440 . In scientific notation, it is written as 7.2189439 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 59409504 positive integers (up to 72189439) that are relatively prime to 72189439.
72189439 has 16 divisors, whose sum is 85824000
The reverse of 72189439 is 93498127
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million one hundred eighty-nine thousand four hundred thirty-nine
Scientific notation
7.2189439 × 10^7
Engineering notation
7.2189439 × 10^6
Prime Factorization
7 × 29 × 199 × 1787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72189439
Product of the distinct prime numbers
The prime factorization of 72189439 is 7 × 29 × 199 × 1787.
Since it has a total of 4 prime factors.
10 , 6 , 51 , 71 , 690 , 470 , 9544 , 3624 , 27961 , 92715 , 162894 , 937710 , 1999409 , 3861076 , 35650707 , 81881611 , 307555593 , 234529502 , 7235237283 , 491314534
n×2
144378878
n×3
216568317
n×4
288757756
n×5
360947195
n÷2
36094719.5
n÷3
24063146.333333
n÷3
18047359.75
n÷5
14437887.8
n2
5211315103134721
n3
3.7620191374752E+23
n4
2.715780510416E+31
n5
1.9605067149407E+39
2 √n
8496.4368414059
3 √n
416.38130526769
4 √n
92.176118606752
5 √n
37.298789154803
1 , 7 , 29 , 199 , 203 , 1393 , 1787 , 5771 , 12509 , 40397 , 51823 , 355613 , 362761 , 2489291 , 10312777 , 72189439
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
-72189438
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 72189439 can be divided by 16 positive divisors.
The sum of these divisors (counting 72189439) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011011000010111111111
3
Ternary
12000211121021221
4
Quaternary
10103120113333
5
Quinary
121440030224
6
Senary
11055134211
8
Octal
423302777
10
Decimal
72189439
12
Duodecimal
20214367
16
Hexadecimal
44d85ff
20
Vigesimal
12b3dbj
36
Base36
16z9q7
md5
e34cb069fa2d02f7b3b62d615b533fb2
sha1
f7639e1850ba64853f467cd81e8b9543998d96c6
sha256
b4db6b1daeeeb1204e6b787c6fc323dcbf7e07e33d37f5cd8eb660d7f1eab2f6
sha512
68493aa2038490d63f0d38bc4e123e38c4a074eae25af7b8f227f4de0591093d4a2fe4cfd8dfaa615ed303ba1a72773a9525209b5eb2ff248d2a81331fe87033
ripemd-160
c2a4978ce1936b1d1ccc932975652edf2bae6143
Diameter
144378878
Circumference
453579622.45834
Area
1.637182924355E+16
Volume
1.5758308913275E+24
Surface area
6.5487316974198E+16
Circumference
453579622.45834
Perimeter
288757756
Area
5211315103134721
Diagonal
102091283.69391
Surface area
31267890618808326
Volume
3.7620191374752E+23
Space diagonal
125035776.11789
Perimeter
216568317
Area
2.2565656332201E+15
Altitude
62517888.058947
Surface area
2.2565656332201E+15
Volume
4.4335820717705E+22
Height
34030427.897968