72389731 is an odd 8-digits prime number following 72389730
and preceding 72389732 . In scientific notation, it is written as 7.2389731 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 72389730 positive integers (up to 72389731) that are relatively prime to 72389731.
72389731 has 2 divisors, whose sum is 72389732
The reverse of 72389731 is 13798327
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
seventy-two million three hundred eighty-nine thousand seven hundred thirty-one
Scientific notation
7.2389731 × 10^7
Engineering notation
7.2389731 × 10^6
Prime Factorization
72389731
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72389731 Product of the distinct prime numbers
The prime factorization of 72389731 is 72389731.
Since it has a total of 1 prime factors.
7 , 1 , 94 , 61 , 694 , 700 , 8503 , 9850 , 19499 , 20207 , 786864 , 672384 , 9516024 , 6407397 , 23624283 , 70828941 , 366335988 , 141795620 , 4037092965 , 565119613
n×2
144779462
n×3
217169193
n×4
289558924
n×5
361948655
n÷2
36194865.5
n÷3
24129910.333333
n÷3
18097432.75
n÷5
14477946.2
n2
5240273154252361
n3
3.7934196400285E+23
n4
2.7460462731178E+31
n5
1.9878555102455E+39
2 √n8508.2155003267
3 √n416.7660375969
4 √n92.239988618423
5 √n37.31946356904
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72389732 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36194866 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8508.2155590935 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999723718 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72389731 can be divided by 2 positive divisors.
The sum of these divisors (counting 72389731) is 72389732, the average is 36194866.
Base
System
Value
2
Binary
100010100001001010001100011
3
Ternary
12001012210001011
4
Quaternary
10110021101203
5
Quinary
122012432411
6
Senary
11103321351
8
Octal
424112143
10
Decimal
72389731
12
Duodecimal
202b0257
16
Hexadecimal
4509463
20
Vigesimal
12c8e6b
36
Base36
173k9v
md5
857007b3e5414949579efd01927bf850
sha1
242a743a8708c37b926fe777178f15af0c0f6cdf
sha256
2d24548c3d1163d5e46145cd62b4497a7e6ab62b546b5dc08100df308ff356ee
sha512
d1b8d523ff48c03bfd050e5622e002a48b14ba1d13309e546bf559e3b65c5f8a334e0b8e1a24306f9564b1e338fb5673156ce41c8d9542d6d9207e55a00a5b1d
ripemd-160
5a08fd3f1cab6980aedd87d82fb1ff9e3b3fd2c4
Diameter
144779462
Circumference
454838094.20988
Area
1.6462803644203E+16
Volume
1.5889839030796E+24
Surface area
6.5851214576812E+16
Circumference
454838094.20988
Perimeter
289558924
Area
5240273154252361
Diagonal
102374539.35674
Surface area
31441638925514166
Volume
3.7934196400285E+23
Space diagonal
125382692.03824
Perimeter
217169193
Area
2.2691048371761E+15
Altitude
62691346.019122
Surface area
2.2691048371761E+15
Volume
4.4705879189173E+22
Height
34124846.452247