72097809 is an odd 8-digits composite number following 72097808
and preceding 72097810 . In scientific notation, it is written as 7.2097809 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 41198736 positive integers (up to 72097809) that are relatively prime to 72097809.
72097809 has 4 divisors, whose sum is 75531060
The reverse of 72097809 is 90879027
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million ninety-seven thousand eight hundred nine
Scientific notation
7.2097809 × 10^7
Engineering notation
7.2097809 × 10^6
Prime Factorization
21 × 3433229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72097809
Product of the distinct prime numbers
The prime factorization of 72097809 is 21 × 3433229.
Since it has a total of 2 prime factors.
8 , 2 , 87 , 41 , 802 , 824 , 7974 , 824 , 82905 , 53526 , 186750 , 9018 , 4728225 , 308192 , 26488472 , 15130880 , 200156337 , 953939802 , 9372465855 , 930060120
n×2
144195618
n×3
216293427
n×4
288391236
n×5
360489045
n÷2
36048904.5
n÷3
24032603
n÷3
18024452.25
n÷5
14419561.8
n2
5198094062600481
n3
3.747711928894E+23
n4
2.7020181883642E+31
n5
1.9480959125921E+39
2 √n
8491.0428688118
3 √n
416.20505985259
4 √n
92.146854904613
5 √n
37.289315678772
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72097808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72097809 can be divided by 4 positive divisors.
The sum of these divisors (counting 72097809) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011000010000000010001
3
Ternary
12000122221121020
4
Quaternary
10103002000101
5
Quinary
121424112214
6
Senary
11053150053
8
Octal
423020021
10
Decimal
72097809
12
Duodecimal
2018b329
16
Hexadecimal
44c2011
20
Vigesimal
12ac4a9
36
Base36
16xb0x
md5
5ad7e10ad828e9e146eb57257e86fd75
sha1
dccf64be0c9233c3b790de30c69dc5a496a1a4d0
sha256
8e8f8049d2a2d0eb51e86d8bd181e93eb7abbbee72ddc899dc462ec89df6f5de
sha512
1d09a3263b632c4984d8851255f38699166b25c030d4a41da5785ada391f0735d955e186de541287d9d3b7d7465a30ccc08ed8fb4c9b0a03aef513be8c5d318d
ripemd-160
d7d3bd328d4455b2f1195dd3441c683b14042552
Diameter
144195618
Circumference
453003894.18864
Area
1.6330294119734E+16
Volume
1.5698379018112E+24
Surface area
6.5321176478938E+16
Circumference
453003894.18864
Perimeter
288391236
Area
5198094062600481
Diagonal
101961699.30519
Surface area
31188564375602886
Volume
3.747711928894E+23
Space diagonal
124877068.3024
Perimeter
216293427
Area
2.2508407547365E+15
Altitude
62438534.151198
Surface area
2.2508407547365E+15
Volume
4.4167208647578E+22
Height
33987233.101728