72688812 is an even 8-digits composite number following 72688811
and preceding 72688813 . In scientific notation, it is written as 7.2688812 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 20768208 positive integers (up to 72688812) that are relatively prime to 72688812.
72688812 has 12 divisors, whose sum is 133262976
The reverse of 72688812 is 21888627
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million six hundred eighty-eight thousand eight hundred twelve
Scientific notation
7.2688812 × 10^7
Engineering notation
7.2688812 × 10^6
Prime Factorization
2 × 2 × 21 × 865343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36344406
Product of the distinct prime numbers
The prime factorization of 72688812 is 2 × 2 × 21 × 865343.
Since it has a total of 4 prime factors.
9 , 5 , 23 , 13 , 392 , 897 , 6979 , 1344 , 75837 , 33066 , 186317 , 380365 , 8994099 , 8290897 , 62490411 , 80973847 , 673923456 , 142502815 , 9399305784 , 3035455419
n×2
145377624
n×3
218066436
n×4
290755248
n×5
363444060
n÷2
36344406
n÷3
24229604
n÷3
18172203
n÷5
14537762.4
n2
5283663389971344
n3
3.8406321482491E+23
n4
2.7917098818523E+31
n5
2.0292607476051E+39
2 √n
8525.7733960034
3 √n
417.33921067664
4 √n
92.335114642282
5 √n
37.350250096864
1 , 2 , 4 , 21 , 42 , 84 , 865343 , 1730686 , 3461372 , 18172203 , 36344406 , 72688812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72688811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72688812 can be divided by 12 positive divisors.
The sum of these divisors (counting 72688812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101010010010010101100
3
Ternary
12001202222022020
4
Quaternary
10111102102230
5
Quinary
122102020222
6
Senary
11113550140
8
Octal
425222254
10
Decimal
72688812
12
Duodecimal
20415350
16
Hexadecimal
45524ac
20
Vigesimal
12e620c
36
Base36
179z1o
md5
625d41d51b7ab300058fe64120504716
sha1
ea5ecd5a83eb7a34c3c621bad9b800d09a86e503
sha256
253efbc8db8f7d012f50bd3c733386cae21bbdd7b11153ef91ea4057b0fa4ee4
sha512
5e9eeafe4a28814de26458b365ae9e03c7fabf5740aeb8a45c57a78569fc8fa6a4e6db710fcc3b78aea1d3e336409e56ab2477958c92971f2df5ef62b16ff32b
ripemd-160
8c72fafb67ad631d32eeaec212b1ec263c8b98f3
Diameter
145377624
Circumference
456717275.55474
Area
1.6599118089975E+16
Volume
1.6087602322774E+24
Surface area
6.6396472359901E+16
Circumference
456717275.55474
Perimeter
290755248
Area
5283663389971344
Diagonal
102797503.76319
Surface area
31701980339828064
Volume
3.8406321482491E+23
Space diagonal
125900715.52582
Perimeter
218066436
Area
2.2878933603805E+15
Altitude
62950357.762911
Surface area
2.2878933603805E+15
Volume
4.52622839345E+22
Height
34265834.587729