72321868 is an even 8-digits composite number following 72321867
and preceding 72321869 . In scientific notation, it is written as 7.2321868 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 35278880 positive integers (up to 72321868) that are relatively prime to 72321868.
72321868 has 12 divisors, whose sum is 129650472
The reverse of 72321868 is 86812327
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million three hundred twenty-one thousand eight hundred sixty-eight
Scientific notation
7.2321868 × 10^7
Engineering notation
7.2321868 × 10^6
Prime Factorization
2 × 2 × 41 × 440987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36160934
Product of the distinct prime numbers
The prime factorization of 72321868 is 2 × 2 × 41 × 440987.
Since it has a total of 4 prime factors.
1 , 7 , 87 , 41 , 720 , 415 , 3388 , 1892 , 85368 , 83984 , 197352 , 951037 , 1122227 , 250394 , 45541997 , 70212995 , 596896431 , 778604495 , 4494270172 , 7936996779
n×2
144643736
n×3
216965604
n×4
289287472
n×5
361609340
n÷2
36160934
n÷3
24107289.333333
n÷3
18080467
n÷5
14464373.6
n2
5230452591009424
n3
3.7827610186724E+23
n4
2.7357634306797E+31
n5
1.9785552171285E+39
2 √n
8504.2264786399
3 √n
416.6357620456
4 √n
92.21836302299
5 √n
37.312463788957
1 , 2 , 4 , 41 , 82 , 164 , 440987 , 881974 , 1763948 , 18080467 , 36160934 , 72321868
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
-72321867
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 72321868 can be divided by 12 positive divisors.
The sum of these divisors (counting 72321868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011111000101101001100
3
Ternary
12001002022221201
4
Quaternary
10103320231030
5
Quinary
122003244433
6
Senary
11102035244
8
Octal
423705514
10
Decimal
72321868
12
Duodecimal
20278b24
16
Hexadecimal
44f8b4c
20
Vigesimal
12c04d8
36
Base36
1723ws
md5
e8dceebeb44d118532d7648048dfd47f
sha1
45a7a5c0bd97321f45463a3629b83c0f39061bab
sha256
3be7ce930a86fefd5c4bb729037dcfcdff4068d9c77eec8e2f5ee6e319b0d81d
sha512
7ae4a4fb31dbaaade0ea4a8b83fda5992d56fb904bd10af5cfe593df8c4a63b1887fa7caf1b2aed8be8c8cd96b882ea4bdd787d7ec4f18c269073959c2b95baa
ripemd-160
5da384e39afef40a1022267347a04a1bbd168eb3
Diameter
144643736
Circumference
454411698.40538
Area
1.6431951434865E+16
Volume
1.5845192302063E+24
Surface area
6.572780573946E+16
Circumference
454411698.40538
Perimeter
289287472
Area
5230452591009424
Diagonal
102278566.58176
Surface area
31382715546056544
Volume
3.7827610186724E+23
Space diagonal
125265149.87429
Perimeter
216965604
Area
2.2648524085521E+15
Altitude
62632574.937145
Surface area
2.2648524085521E+15
Volume
4.4580266131857E+22
Height
34092855.527252