72321821 is an odd 8-digits composite number following 72321820
and preceding 72321822 . In scientific notation, it is written as 7.2321821 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 58021920 positive integers (up to 72321821) that are relatively prime to 72321821.
72321821 has 24 divisors, whose sum is 89376000
The reverse of 72321821 is 12812327
Previous prime number is 13
Is Prime? no Number parity odd Number length 8 Sum of Digits 26 Digital Root 8
Name
seventy-two million three hundred twenty-one thousand eight hundred twenty-one
Scientific notation
7.2321821 × 10^7
Engineering notation
7.2321821 × 10^6
Prime Factorization
11 × 11 × 23 × 13 × 1999
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
6574711 Product of the distinct prime numbers
The prime factorization of 72321821 is 11 × 11 × 23 × 13 × 1999.
Since it has a total of 5 prime factors.
10 , 1 , 52 , 56 , 701 , 318 , 8696 , 6482 , 77725 , 9748 , 541615 , 288512 , 5081450 , 9847003 , 89320842 , 3424142 , 11711642 , 945067101 , 6313146344 , 8961723736
n×2
144643642
n×3
216965463
n×4
289287284
n×5
361609105
n÷2
36160910.5
n÷3
24107273.666667
n÷3
18080455.25
n÷5
14464364.2
n2
5230445792756041
n3
3.7827536437391E+23
n4
2.7357563190959E+31
n5
1.9785487880928E+39
2 √n8504.2237153076
3 √n416.6356717922
4 √n92.218348040439
5 √n37.312458939286
1 , 11 , 13 , 23 , 121 , 143 , 253 , 299 , 1573 , 1999 , 2783 , 3289 , 21989 , 25987 , 36179 , 45977 , 241879 , 285857 , 505747 , 597701 , 3144427 , 5563217 , 6574711 , 72321821
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-72321820 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72321821 can be divided by 24 positive divisors.
The sum of these divisors (counting 72321821) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011111000101100011101
3
Ternary
12001002022212222
4
Quaternary
10103320230131
5
Quinary
122003244241
6
Senary
11102035125
8
Octal
423705435
10
Decimal
72321821
12
Duodecimal
20278aa5
16
Hexadecimal
44f8b1d
20
Vigesimal
12c04b1
36
Base36
1723vh
md5
018093bd8301c3627f286f91afb44a9e
sha1
3f32f2339eb31fa4b01b9ff8952515981650494a
sha256
676d43554e0af3e84e81e401eae0c663d181ec8fa331e2dc33e5f4cfb30c82ff
sha512
6edb22afba098d4d80d7531e81f12f7cc6f78f8fdf9907e87a778d3ede196c5e4fe082876fdde7472eae146c8d58e71a8f0e88a672f32490574ac2b52598345b
ripemd-160
2cb56a3b7383edf2455b36d56e8213aae7618735
Diameter
144643642
Circumference
454411403.09567
Area
1.6431930077522E+16
Volume
1.5845161410014E+24
Surface area
6.5727720310088E+16
Circumference
454411403.09567
Perimeter
289287284
Area
5230445792756041
Diagonal
102278500.11372
Surface area
31382674756536246
Volume
3.7827536437391E+23
Space diagonal
125265068.4679
Perimeter
216965463
Area
2.2648494648221E+15
Altitude
62632534.233951
Surface area
2.2648494648221E+15
Volume
4.4580179217433E+22
Height
34092833.37124