72187439 is an odd 8-digits prime number following 72187438
and preceding 72187440 . In scientific notation, it is written as 7.2187439 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 72187438 positive integers (up to 72187439) that are relatively prime to 72187439.
72187439 has 2 divisors, whose sum is 72187440
The reverse of 72187439 is 93478127
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
seventy-two million one hundred eighty-seven thousand four hundred thirty-nine
Scientific notation
7.2187439 × 10^7
Engineering notation
7.2187439 × 10^6
Prime Factorization
72187439
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72187439 Product of the distinct prime numbers
The prime factorization of 72187439 is 72187439.
Since it has a total of 1 prime factors.
9 , 5 , 80 , 79 , 93 , 916 , 7863 , 1348 , 42593 , 72173 , 245865 , 481422 , 1519416 , 5713361 , 73908861 , 13780625 , 278218212 , 564396710 , 7644790353 , 5410728024
n×2
144374878
n×3
216562317
n×4
288749756
n×5
360937195
n÷2
36093719.5
n÷3
24062479.666667
n÷3
18046859.75
n÷5
14437487.8
n2
5211026349378721
n3
3.7617064672317E+23
n4
2.7154795613919E+31
n5
1.9602351519373E+39
2 √n8496.3191441941
3 √n416.37745996698
4 √n92.175480167961
5 √n37.298582480791
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72187440 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36093720 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8496.3192030432 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999722943 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187439 can be divided by 2 positive divisors.
The sum of these divisors (counting 72187439) is 72187440, the average is 36093720.
Base
System
Value
2
Binary
100010011010111111000101111
3
Ternary
12000211111112212
4
Quaternary
10103113320233
5
Quinary
121434444224
6
Senary
11055121035
8
Octal
423277057
10
Decimal
72187439
12
Duodecimal
2021317b
16
Hexadecimal
44d7e2f
20
Vigesimal
12b38bj
36
Base36
16z86n
md5
7ce4daa6c4e1ae0a56bb292fb3547b20
sha1
17cef59c9823a21d051d8922babd7237c26dbccf
sha256
4a1dd211a2bec98e8af6ee9e7bb1ca701b8603372bd1521a4c5fc42d56f69c6c
sha512
9019b43c3b727e19f82628aafb814695825d1b6251bceb88f7e54d8325c9a521c49f6eb07fb3252b96d4928f6ff910e935013df35e768015dc6957f486fde615
ripemd-160
858fa40cedd78dd1e1654ebce30ae79d2e22e898
Diameter
144374878
Circumference
453567056.08772
Area
1.6370922096871E+16
Volume
1.5756999203222E+24
Surface area
6.5483688387484E+16
Circumference
453567056.08772
Perimeter
288749756
Area
5211026349378721
Diagonal
102088455.26678
Surface area
31266158096272326
Volume
3.7617064672317E+23
Space diagonal
125032312.01628
Perimeter
216562317
Area
2.256440599176E+15
Altitude
62516156.00814
Surface area
2.256440599176E+15
Volume
4.4332135863547E+22
Height
34029485.088927