72321820 is an even 8-digits composite number following 72321819
and preceding 72321821 . In scientific notation, it is written as 7.2321820 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 28896000 positive integers (up to 72321820) that are relatively prime to 72321820.
72321820 has 24 divisors, whose sum is 152047728
The reverse of 72321820 is 02812327
Previous prime number is 1291
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-two million three hundred twenty-one thousand eight hundred twenty
Scientific notation
7.2321820 × 10^7
Engineering notation
7.2321820 × 10^6
Prime Factorization
2 × 2 × 5 × 1291 × 2801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
36160910
Product of the distinct prime numbers
The prime factorization of 72321820 is 2 × 2 × 5 × 1291 × 2801.
Since it has a total of 5 prime factors.
2 , 5 , 47 , 5 , 545 , 246 , 5145 , 3433 , 48419 , 16057 , 126237 , 241016 , 9986549 , 8793791 , 46888632 , 66460173 , 293544381 , 101709271 , 1453732596 , 2941945597
n×2
144643640
n×3
216965460
n×4
289287280
n×5
361609100
n÷2
36160910
n÷3
24107273.333333
n÷3
18080455
n÷5
14464364
n2
5230445648112400
n3
3.7827534868257E+23
n4
2.7357561677858E+31
n5
1.9785486513049E+39
2 √n
8504.2236565133
3 √n
416.63566987191
4 √n
92.218347721662
5 √n
37.312458836101
1 , 2 , 4 , 5 , 10 , 20 , 1291 , 2582 , 2801 , 5164 , 5602 , 6455 , 11204 , 12910 , 14005 , 25820 , 28010 , 56020 , 3616091 , 7232182 , 14464364 , 18080455 , 36160910 , 72321820
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
-72321819
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 72321820 can be divided by 24 positive divisors.
The sum of these divisors (counting 72321820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011111000101100011100
3
Ternary
12001002022212221
4
Quaternary
10103320230130
5
Quinary
122003244240
6
Senary
11102035124
8
Octal
423705434
10
Decimal
72321820
12
Duodecimal
20278aa4
16
Hexadecimal
44f8b1c
20
Vigesimal
12c04b0
36
Base36
1723vg
md5
f4108ddd5acf2abbf22a25a06171b636
sha1
579d1412ea498a0d89b34b4105d5419be7c25111
sha256
715553ce68a9cd636ad3819697c8adb51b395065c2f92e2eb2b001decfc34970
sha512
6b35861215c410a56b7dbbbabad42023e8b29126c978ee12588e02d9b91f364dc2d4f3af1c54783f3b30387aa1dc610c6b006f1061d23438407fd2b423a6e4eb
ripemd-160
5a8bba11dd187b818ede2c944a32e4a532cc4681
Diameter
144643640
Circumference
454411396.81249
Area
1.6431929623111E+16
Volume
1.5845160752737E+24
Surface area
6.5727718492442E+16
Circumference
454411396.81249
Perimeter
289287280
Area
5230445648112400
Diagonal
102278498.69951
Surface area
31382673888674400
Volume
3.7827534868257E+23
Space diagonal
125265066.73585
Perimeter
216965460
Area
2.2648494021896E+15
Altitude
62632533.367925
Surface area
2.2648494021896E+15
Volume
4.4580177368192E+22
Height
34092832.899835