72288891 is an odd 8-digits composite number following 72288890
and preceding 72288892 . In scientific notation, it is written as 7.2288891 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 47071584 positive integers (up to 72288891) that are relatively prime to 72288891.
72288891 has 12 divisors, whose sum is 106846168
The reverse of 72288891 is 19888227
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million two hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
7.2288891 × 10^7
Engineering notation
7.2288891 × 10^6
Prime Factorization
3 × 3 × 43 × 186793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
24096297
Product of the distinct prime numbers
The prime factorization of 72288891 is 3 × 3 × 43 × 186793.
Since it has a total of 4 prime factors.
8 , 9 , 38 , 27 , 410 , 213 , 2512 , 1603 , 20324 , 25707 , 568548 , 55257 , 9536432 , 6411264 , 83976118 , 87252465 , 206901818 , 814305663 , 6059400092 , 5807958439
n×2
144577782
n×3
216866673
n×4
289155564
n×5
361444455
n÷2
36144445.5
n÷3
24096297
n÷3
18072222.75
n÷5
14457778.2
n2
5225683762009881
n3
3.777588838724E+23
n4
2.7307770780534E+31
n5
1.974048465407E+39
2 √n
8502.2873981065
3 √n
416.57242718479
4 √n
92.207848896428
5 √n
37.309060454291
1 , 3 , 9 , 43 , 129 , 387 , 186793 , 560379 , 1681137 , 8032099 , 24096297 , 72288891
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
-72288890
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 72288891 can be divided by 12 positive divisors.
The sum of these divisors (counting 72288891) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011110000101001111011
3
Ternary
12001000122201100
4
Quaternary
10103300221323
5
Quinary
122001221031
6
Senary
11101222443
8
Octal
423605173
10
Decimal
72288891
12
Duodecimal
20261a23
16
Hexadecimal
44f0a7b
20
Vigesimal
12bg24b
36
Base36
171egr
md5
409698853ce248e7ca2ed4d28f1aec9e
sha1
f15deb1ba156fe0069e02f417a4224a3d829b804
sha256
6a0ef747c8ae5d3e9a953ec9cd70977203b5cf81877028b927e1d2692af67b48
sha512
1edd57247cda35731e7d9d17db23dd98186e66966b5210b9c5f010165e1e79cc05536a17f8634f1d6470e8cf926a443187e32fa30538a9077b783ecece229973
ripemd-160
6ec8cb243c5418fba2c35119adb05a9d1e5aabcd
Diameter
144577782
Circumference
454204497.80351
Area
1.6416969716714E+16
Volume
1.5823527125358E+24
Surface area
6.5667878866855E+16
Circumference
454204497.80351
Perimeter
289155564
Area
5225683762009881
Diagonal
102231930.06111
Surface area
31354102572059286
Volume
3.777588838724E+23
Space diagonal
125208032.03481
Perimeter
216866673
Area
2.2627874450222E+15
Altitude
62604016.017404
Surface area
2.2627874450222E+15
Volume
4.4519311406606E+22
Height
34077310.02037